{"id":479277,"date":"2023-08-09T10:32:55","date_gmt":"2023-08-09T10:32:55","guid":{"rendered":""},"modified":"2023-09-05T11:18:31","modified_gmt":"2023-09-05T11:18:31","slug":"term-frequency-inverse-document-frequency-tf-idf","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/ar\/wiki\/term-frequency-inverse-document-frequency-tf-idf\/","title":{"rendered":"\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d - \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a (TF-IDF)"},"content":{"rendered":"<p>\u064a\u0639\u062f \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d - \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a (TF-IDF) \u062a\u0642\u0646\u064a\u0629 \u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0641\u064a \u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0648\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0644\u063a\u0629 \u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629 \u0644\u062a\u0642\u064a\u064a\u0645 \u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0636\u0645\u0646 \u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a. \u0641\u0647\u0648 \u064a\u0633\u0627\u0639\u062f \u0639\u0644\u0649 \u0642\u064a\u0627\u0633 \u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0643\u0644\u0645\u0629 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u0646\u0638\u0631 \u0641\u064a \u062a\u0643\u0631\u0627\u0631\u0647\u0627 \u0641\u064a \u0645\u0633\u062a\u0646\u062f \u0645\u0639\u064a\u0646 \u0648\u0645\u0642\u0627\u0631\u0646\u062a\u0647\u0627 \u0628\u062d\u062f\u0648\u062b\u0647\u0627 \u0641\u064a \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u0623\u0643\u0645\u0644\u0647\u0627. \u064a\u0644\u0639\u0628 TF-IDF \u062f\u0648\u0631\u064b\u0627 \u062d\u0627\u0633\u0645\u064b\u0627 \u0641\u064a \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0645\u062d\u0631\u0643\u0627\u062a \u0627\u0644\u0628\u062d\u062b \u0648\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0646\u0635\u0648\u0635 \u0648\u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0648\u0623\u0646\u0638\u0645\u0629 \u062a\u0648\u0635\u064a\u0629 \u0627\u0644\u0645\u062d\u062a\u0648\u0649.<\/p>\n<h2>\u062a\u0627\u0631\u064a\u062e \u0623\u0635\u0644 \u0645\u0635\u0637\u0644\u062d \u0627\u0644\u062a\u0631\u062f\u062f \u2013 \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a (TF-IDF) \u0648\u0623\u0648\u0644 \u0630\u0643\u0631 \u0644\u0647.<\/h2>\n<p>\u064a\u0645\u0643\u0646 \u0625\u0631\u062c\u0627\u0639 \u0645\u0641\u0647\u0648\u0645 TF-IDF \u0625\u0644\u0649 \u0623\u0648\u0627\u0626\u0644 \u0627\u0644\u0633\u0628\u0639\u064a\u0646\u064a\u0627\u062a. \u062a\u0645 \u062a\u0642\u062f\u064a\u0645 \u0645\u0635\u0637\u0644\u062d &quot;\u0645\u0635\u0637\u0644\u062d \u0627\u0644\u062a\u0631\u062f\u062f&quot; \u0641\u064a \u0627\u0644\u0628\u062f\u0627\u064a\u0629 \u0628\u0648\u0627\u0633\u0637\u0629 \u062c\u064a\u0631\u0627\u0631\u062f \u0633\u0627\u0644\u062a\u0648\u0646 \u0641\u064a \u0639\u0645\u0644\u0647 \u0627\u0644\u0631\u0627\u0626\u062f \u0641\u064a \u0645\u062c\u0627\u0644 \u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a. \u0641\u064a \u0639\u0627\u0645 1972\u060c \u0646\u0634\u0631 \u0633\u0627\u0644\u062a\u0648\u0646 \u0648\u0623. \u0648\u0648\u0646\u063a \u0648\u0633\u064a.\u0625\u0633 \u064a\u0627\u0646\u063a \u0648\u0631\u0642\u0629 \u0628\u062d\u062b\u064a\u0629 \u0628\u0639\u0646\u0648\u0627\u0646 &quot;\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0641\u0636\u0627\u0621 \u0627\u0644\u0645\u062a\u062c\u0647 \u0644\u0644\u0641\u0647\u0631\u0633\u0629 \u0627\u0644\u062a\u0644\u0642\u0627\u0626\u064a\u0629&quot;\u060c \u0648\u0627\u0644\u062a\u064a \u0623\u0631\u0633\u062a \u0627\u0644\u0623\u0633\u0627\u0633 \u0644\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0641\u0636\u0627\u0621 \u0627\u0644\u0645\u062a\u062c\u0647 (VSM) \u0648\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0643\u0639\u0646\u0635\u0631 \u0623\u0633\u0627\u0633\u064a.<\/p>\n<p>\u0641\u064a \u0648\u0642\u062a \u0644\u0627\u062d\u0642 \u0641\u064a \u0645\u0646\u062a\u0635\u0641 \u0627\u0644\u0633\u0628\u0639\u064a\u0646\u064a\u0627\u062a\u060c \u0627\u0642\u062a\u0631\u062d\u062a \u0643\u0627\u0631\u064a\u0646 \u0633\u0628\u0627\u0631\u0643 \u062c\u0648\u0646\u0632\u060c \u0639\u0627\u0644\u0645\u0629 \u0627\u0644\u0643\u0645\u0628\u064a\u0648\u062a\u0631 \u0627\u0644\u0628\u0631\u064a\u0637\u0627\u0646\u064a\u0629\u060c \u0645\u0641\u0647\u0648\u0645 &quot;\u0627\u0644\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0644\u0644\u0648\u062b\u064a\u0642\u0629&quot; \u0643\u062c\u0632\u0621 \u0645\u0646 \u0639\u0645\u0644\u0647\u0627 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0625\u062d\u0635\u0627\u0626\u064a\u0629 \u0644\u0644\u063a\u0629 \u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629. \u0641\u064a \u0648\u0631\u0642\u062a\u0647\u0627 \u0627\u0644\u0628\u062d\u062b\u064a\u0629 \u0639\u0627\u0645 1972 \u0628\u0639\u0646\u0648\u0627\u0646 &quot;\u0627\u0644\u062a\u0641\u0633\u064a\u0631 \u0627\u0644\u0625\u062d\u0635\u0627\u0626\u064a \u0644\u062e\u0635\u0648\u0635\u064a\u0629 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0648\u062a\u0637\u0628\u064a\u0642\u0647 \u0641\u064a \u0627\u0644\u0627\u0633\u062a\u0631\u062c\u0627\u0639&quot;\u060c \u0646\u0627\u0642\u0634\u062a \u062c\u0648\u0646\u0632 \u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0646\u0638\u0631 \u0641\u064a \u0646\u062f\u0631\u0629 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0628\u0623\u0643\u0645\u0644\u0647\u0627.<\/p>\n<p>\u0623\u062f\u0649 \u0627\u0644\u062c\u0645\u0639 \u0628\u064a\u0646 \u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0648\u0627\u0644\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0644\u0644\u0648\u062b\u064a\u0642\u0629 \u0625\u0644\u0649 \u062a\u0637\u0648\u064a\u0631 \u0646\u0638\u0627\u0645 \u062a\u0631\u062c\u064a\u062d TF-IDF \u0627\u0644\u0645\u0639\u0631\u0648\u0641 \u0627\u0644\u0622\u0646 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639\u060c \u0648\u0627\u0644\u0630\u064a \u0634\u0627\u0639\u0647 \u0633\u0627\u0644\u062a\u0648\u0646 \u0648\u0628\u0627\u0643\u0644\u064a \u0641\u064a \u0623\u0648\u0627\u062e\u0631 \u0627\u0644\u062b\u0645\u0627\u0646\u064a\u0646\u064a\u0627\u062a \u0645\u0646 \u062e\u0644\u0627\u0644 \u0639\u0645\u0644\u0647\u0645\u0627 \u0639\u0644\u0649 \u0646\u0638\u0627\u0645 \u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u0630\u0643\u064a.<\/p>\n<h2>\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u062a\u0641\u0635\u064a\u0644\u064a\u0629 \u062d\u0648\u0644 \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d - \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a (TF-IDF). \u062a\u0648\u0633\u064a\u0639 \u0627\u0644\u0645\u0648\u0636\u0648\u0639 \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d - \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a (TF-IDF).<\/h2>\n<p>\u064a\u0639\u0645\u0644 TF-IDF \u0639\u0644\u0649 \u0641\u0643\u0631\u0629 \u0623\u0646 \u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u062a\u0632\u062f\u0627\u062f \u0628\u0634\u0643\u0644 \u0645\u062a\u0646\u0627\u0633\u0628 \u0645\u0639 \u062a\u0643\u0631\u0627\u0631\u0647 \u062f\u0627\u062e\u0644 \u0648\u062b\u064a\u0642\u0629 \u0645\u0639\u064a\u0646\u0629\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u062a\u0646\u0627\u0642\u0635 \u0641\u064a \u0646\u0641\u0633 \u0627\u0644\u0648\u0642\u062a \u0645\u0639 \u062d\u062f\u0648\u062b\u0647 \u0639\u0628\u0631 \u062c\u0645\u064a\u0639 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0641\u064a \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629. \u064a\u0633\u0627\u0639\u062f \u0647\u0630\u0627 \u0627\u0644\u0645\u0641\u0647\u0648\u0645 \u0641\u064a \u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0642\u064a\u0648\u062f \u0627\u0644\u0645\u0641\u0631\u0648\u0636\u0629 \u0639\u0644\u0649 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0641\u0642\u0637 \u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u0644\u0627\u0621\u0645\u0629\u060c \u062d\u064a\u062b \u0642\u062f \u062a\u0638\u0647\u0631 \u0628\u0639\u0636 \u0627\u0644\u0643\u0644\u0645\u0627\u062a \u0628\u0634\u0643\u0644 \u0645\u062a\u0643\u0631\u0631 \u0648\u0644\u0643\u0646\u0647\u0627 \u062a\u0648\u0641\u0631 \u0623\u0647\u0645\u064a\u0629 \u0633\u064a\u0627\u0642\u064a\u0629 \u0642\u0644\u064a\u0644\u0629.<\/p>\n<p>\u064a\u062a\u0645 \u062d\u0633\u0627\u0628 \u062f\u0631\u062c\u0629 TF-IDF \u0644\u0645\u0635\u0637\u0644\u062d \u0641\u064a \u0645\u0633\u062a\u0646\u062f \u0645\u0627 \u0639\u0646 \u0637\u0631\u064a\u0642 \u0636\u0631\u0628 \u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0635\u0637\u0644\u062d (TF) \u0641\u064a \u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a (IDF). \u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0647\u0648 \u0639\u062f\u062f \u0645\u0631\u0627\u062a \u0638\u0647\u0648\u0631 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0641\u064a \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u060c \u0628\u064a\u0646\u0645\u0627 \u064a\u062a\u0645 \u062d\u0633\u0627\u0628 \u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a \u0639\u0644\u0649 \u0623\u0646\u0647 \u0644\u0648\u063a\u0627\u0631\u064a\u062a\u0645 \u0625\u062c\u0645\u0627\u0644\u064a \u0639\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0645\u0642\u0633\u0648\u0645\u064b\u0627 \u0639\u0644\u0649 \u0639\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0627\u0644\u0645\u0635\u0637\u0644\u062d.<\/p>\n<p>\u0635\u064a\u063a\u0629 \u062d\u0633\u0627\u0628 \u062f\u0631\u062c\u0629 TF-IDF \u0644\u0644\u0645\u0635\u0637\u0644\u062d &quot;t&quot; \u0641\u064a \u0627\u0644\u0645\u0633\u062a\u0646\u062f &quot;d&quot; \u062f\u0627\u062e\u0644 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0647\u064a \u0643\u0645\u0627 \u064a\u0644\u064a:<\/p>\n<pre><div class=\"bg-black rounded-md mb-4\"><div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md\"><span>com.scss<\/span><button class=\"flex ml-auto gap-2\"><svg stroke=\"currentColor\" fill=\"none\" stroke-width=\"2\" viewbox=\"0 0 24 24\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"h-4 w-4\" height=\"1em\" width=\"1em\" ><path d=\"M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2\"><\/path><rect x=\"8\" y=\"2\" width=\"8\" height=\"4\" rx=\"1\" ry=\"1\"><\/rect><\/svg>\u0631\u0645\u0632 \u0627\u0644\u0646\u0633\u062e<\/button><\/div><div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-scss\" data-no-translation=\"\"><span class=\"hljs-built_in\">TF-IDF<\/span>(t, d) = <span class=\"hljs-built_in\">TF<\/span>(t, d) * <span class=\"hljs-built_in\">IDF<\/span>(t)\n<\/code><\/div><\/div><\/pre>\n<p>\u0623\u064a\u0646:<\/p>\n<ul>\n<li><code data-no-translation=\"\">TF(t, d)<\/code> \u064a\u0645\u062b\u0644 \u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0635\u0637\u0644\u062d &quot;t&quot; \u0641\u064a \u0627\u0644\u0648\u062b\u064a\u0642\u0629 &quot;d&quot;.<\/li>\n<li><code data-no-translation=\"\">IDF(t)<\/code> \u0647\u0648 \u0627\u0644\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0639\u0643\u0633\u064a \u0644\u0644\u0648\u062b\u064a\u0642\u0629 \u0644\u0644\u0645\u0635\u0637\u0644\u062d &quot;t&quot; \u0639\u0628\u0631 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u0623\u0643\u0645\u0644\u0647\u0627.<\/li>\n<\/ul>\n<p>\u062a\u062d\u062f\u062f \u0646\u062a\u064a\u062c\u0629 TF-IDF \u0627\u0644\u0646\u0627\u062a\u062c\u0629 \u0645\u062f\u0649 \u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0648\u062b\u064a\u0642\u0629 \u0645\u0639\u064a\u0646\u0629 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0625\u0644\u0649 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u0623\u0643\u0645\u0644\u0647\u0627. \u062a\u0634\u064a\u0631 \u062f\u0631\u062c\u0627\u062a TF-IDF \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0625\u0644\u0649 \u0623\u0646 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0645\u062a\u0643\u0631\u0631 \u0641\u064a \u0627\u0644\u0648\u062b\u064a\u0642\u0629 \u0648\u0646\u0627\u062f\u0631 \u0641\u064a \u0627\u0644\u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0623\u062e\u0631\u0649\u060c \u0645\u0645\u0627 \u064a\u0639\u0646\u064a \u0623\u0647\u0645\u064a\u062a\u0647 \u0641\u064a \u0633\u064a\u0627\u0642 \u062a\u0644\u0643 \u0627\u0644\u0648\u062b\u064a\u0642\u0629 \u0627\u0644\u0645\u062d\u062f\u062f\u0629.<\/p>\n<h2>\u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u062f\u0627\u062e\u0644\u064a \u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d - \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a (TF-IDF). \u0643\u064a\u0641 \u064a\u0639\u0645\u0644 \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d - \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a (TF-IDF).<\/h2>\n<p>\u064a\u0645\u0643\u0646 \u0627\u0639\u062a\u0628\u0627\u0631 \u0642\u0648\u0629 \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u062a\u0627\u0628\u0639\u0629 \u0644\u0642\u0648\u0627\u062a \u0627\u0644\u062f\u0641\u0627\u0639 \u0627\u0644\u0625\u0633\u0631\u0627\u0626\u064a\u0644\u064a\u0629 \u0628\u0645\u062b\u0627\u0628\u0629 \u0639\u0645\u0644\u064a\u0629 \u0645\u0643\u0648\u0646\u0629 \u0645\u0646 \u062e\u0637\u0648\u062a\u064a\u0646:<\/p>\n<ol>\n<li>\n<p><strong>\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d (TF)<\/strong>: \u062a\u062a\u0636\u0645\u0646 \u0627\u0644\u062e\u0637\u0648\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 \u062d\u0633\u0627\u0628 \u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0635\u0637\u0644\u062d (TF) \u0644\u0643\u0644 \u0645\u0635\u0637\u0644\u062d \u0641\u064a \u0627\u0644\u0645\u0633\u062a\u0646\u062f. \u064a\u0645\u0643\u0646 \u062a\u062d\u0642\u064a\u0642 \u0630\u0644\u0643 \u0639\u0646 \u0637\u0631\u064a\u0642 \u062d\u0633\u0627\u0628 \u0639\u062f\u062f \u0645\u0631\u0627\u062a \u0638\u0647\u0648\u0631 \u0643\u0644 \u0645\u0635\u0637\u0644\u062d \u062f\u0627\u062e\u0644 \u0627\u0644\u0645\u0633\u062a\u0646\u062f. \u064a\u0634\u064a\u0631 TF \u0627\u0644\u0623\u0639\u0644\u0649 \u0625\u0644\u0649 \u0623\u0646 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u064a\u0638\u0647\u0631 \u0628\u0634\u0643\u0644 \u0645\u062a\u0643\u0631\u0631 \u0641\u064a \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0648\u0645\u0646 \u0627\u0644\u0645\u062d\u062a\u0645\u0644 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0645\u0647\u0645\u064b\u0627 \u0641\u064a \u0633\u064a\u0627\u0642 \u0647\u0630\u0627 \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0645\u062d\u062f\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a (IDF)<\/strong>: \u062a\u062a\u0636\u0645\u0646 \u0627\u0644\u062e\u0637\u0648\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629 \u062d\u0633\u0627\u0628 \u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a (IDF) \u0644\u0643\u0644 \u0645\u0635\u0637\u0644\u062d \u0641\u064a \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629. \u0648\u064a\u062a\u0645 \u0630\u0644\u0643 \u0639\u0646 \u0637\u0631\u064a\u0642 \u0642\u0633\u0645\u0629 \u0625\u062c\u0645\u0627\u0644\u064a \u0639\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0639\u0644\u0649 \u0639\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0648\u0623\u062e\u0630 \u0644\u0648\u063a\u0627\u0631\u064a\u062a\u0645 \u0627\u0644\u0646\u062a\u064a\u062c\u0629. \u062a\u0643\u0648\u0646 \u0642\u064a\u0645\u0629 IDF \u0623\u0639\u0644\u0649 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0638\u0647\u0631 \u0641\u064a \u0639\u062f\u062f \u0623\u0642\u0644 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a\u060c \u0645\u0645\u0627 \u064a\u062f\u0644 \u0639\u0644\u0649 \u062a\u0641\u0631\u062f\u0647\u0627 \u0648\u0623\u0647\u0645\u064a\u062a\u0647\u0627.<\/p>\n<\/li>\n<\/ol>\n<p>\u0628\u0645\u062c\u0631\u062f \u062d\u0633\u0627\u0628 \u0643\u0644 \u0645\u0646 \u062f\u0631\u062c\u0627\u062a TF \u0648IDF\u060c \u064a\u062a\u0645 \u062f\u0645\u062c\u0647\u0645\u0627 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0635\u064a\u063a\u0629 \u0627\u0644\u0645\u0630\u0643\u0648\u0631\u0629 \u0633\u0627\u0628\u0642\u064b\u0627 \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u062f\u0631\u062c\u0629 TF-IDF \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629 \u0644\u0643\u0644 \u0645\u0635\u0637\u0644\u062d \u0641\u064a \u0627\u0644\u0648\u062b\u064a\u0642\u0629. \u062a\u0639\u0645\u0644 \u0647\u0630\u0647 \u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0628\u0645\u062b\u0627\u0628\u0629 \u062a\u0645\u062b\u064a\u0644 \u0644\u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0628\u0627\u0644\u0648\u062b\u064a\u0642\u0629 \u0641\u064a \u0633\u064a\u0627\u0642 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u0623\u0643\u0645\u0644\u0647\u0627.<\/p>\n<p>\u0645\u0646 \u0627\u0644\u0645\u0647\u0645 \u0623\u0646 \u0646\u0644\u0627\u062d\u0638 \u0623\u0646\u0647 \u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646 \u0642\u0648\u0629 \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u062c\u064a\u0634 \u0627\u0644\u062f\u0641\u0627\u0639 \u0627\u0644\u0625\u0633\u0631\u0627\u0626\u064a\u0644\u064a \u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0648\u0641\u0639\u0627\u0644\u0629\u060c \u0625\u0644\u0627 \u0623\u0646 \u0644\u0647\u0627 \u062d\u062f\u0648\u062f\u0647\u0627. \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0644\u0627 \u064a\u0623\u062e\u0630 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631 \u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u0643\u0644\u0645\u0627\u062a \u0623\u0648 \u0627\u0644\u062f\u0644\u0627\u0644\u0627\u062a \u0623\u0648 \u0627\u0644\u0633\u064a\u0627\u0642\u060c \u0648\u0642\u062f \u0644\u0627 \u064a\u0639\u0645\u0644 \u0639\u0644\u0649 \u0627\u0644\u0646\u062d\u0648 \u0627\u0644\u0623\u0645\u062b\u0644 \u0641\u064a \u0628\u0639\u0636 \u0627\u0644\u0645\u062c\u0627\u0644\u0627\u062a \u0627\u0644\u0645\u062a\u062e\u0635\u0635\u0629 \u062d\u064a\u062b \u0642\u062f \u062a\u0643\u0648\u0646 \u0627\u0644\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0623\u062e\u0631\u0649 \u0645\u062b\u0644 \u062a\u0636\u0645\u064a\u0646 \u0627\u0644\u0643\u0644\u0645\u0627\u062a \u0623\u0648 \u0646\u0645\u0627\u0630\u062c \u0627\u0644\u062a\u0639\u0644\u0645 \u0627\u0644\u0639\u0645\u064a\u0642 \u0623\u0643\u062b\u0631 \u0645\u0644\u0627\u0621\u0645\u0629.<\/p>\n<h2>\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0633\u0645\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0648\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a (TF-IDF).<\/h2>\n<p>\u064a\u0642\u062f\u0645 TF-IDF \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u062c\u0639\u0644\u0647 \u0623\u062f\u0627\u0629 \u0642\u064a\u0645\u0629 \u0641\u064a \u0645\u062e\u062a\u0644\u0641 \u0645\u0647\u0627\u0645 \u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0648\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0644\u063a\u0629 \u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629:<\/p>\n<ol>\n<li>\n<p><strong>\u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0645\u0635\u0637\u0644\u062d<\/strong>: \u064a\u062c\u0633\u062f TF-IDF \u0628\u0634\u0643\u0644 \u0641\u0639\u0627\u0644 \u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u062f\u0627\u062e\u0644 \u0627\u0644\u0648\u062b\u064a\u0642\u0629 \u0648\u0635\u0644\u062a\u0647 \u0628\u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u0623\u0643\u0645\u0644\u0647\u0627. \u0641\u0647\u0648 \u064a\u0633\u0627\u0639\u062f \u0639\u0644\u0649 \u062a\u0645\u064a\u064a\u0632 \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0645\u0646 \u0643\u0644\u0645\u0627\u062a \u0627\u0644\u062a\u0648\u0642\u0641 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0623\u0648 \u0627\u0644\u0643\u0644\u0645\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0643\u0631\u0631 \u0628\u0634\u0643\u0644 \u0645\u062a\u0643\u0631\u0631 \u0630\u0627\u062a \u0642\u064a\u0645\u0629 \u062f\u0644\u0627\u0644\u064a\u0629 \u0642\u0644\u064a\u0644\u0629.<\/p>\n<\/li>\n<li>\n<p><strong>\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0648\u062b\u064a\u0642\u0629<\/strong>: \u0641\u064a \u0645\u062d\u0631\u0643\u0627\u062a \u0627\u0644\u0628\u062d\u062b \u0648\u0623\u0646\u0638\u0645\u0629 \u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a\u060c \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 TF-IDF \u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0645\u062f\u0649 \u0635\u0644\u062a\u0647\u0627 \u0628\u0627\u0633\u062a\u0639\u0644\u0627\u0645 \u0645\u0639\u064a\u0646. \u062a\u0639\u062a\u0628\u0631 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0630\u0627\u062a \u062f\u0631\u062c\u0627\u062a TF-IDF \u0627\u0644\u0623\u0639\u0644\u0649 \u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u0639\u0644\u0627\u0645 \u0623\u0643\u062b\u0631 \u0635\u0644\u0629 \u0648\u062a\u062d\u062a\u0644 \u0645\u0631\u062a\u0628\u0629 \u0623\u0639\u0644\u0649 \u0641\u064a \u0646\u062a\u0627\u0626\u062c \u0627\u0644\u0628\u062d\u062b.<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u0633\u062a\u062e\u0631\u0627\u062c \u0627\u0644\u0643\u0644\u0645\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/strong>: \u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 TF-IDF \u0644\u0627\u0633\u062a\u062e\u0631\u0627\u062c \u0627\u0644\u0643\u0644\u0645\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629\u060c \u0648\u0627\u0644\u0630\u064a \u064a\u062a\u0636\u0645\u0646 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0627\u0644\u0623\u0643\u062b\u0631 \u0635\u0644\u0629 \u0648\u062a\u0645\u064a\u0632\u064b\u0627 \u062f\u0627\u062e\u0644 \u0627\u0644\u0645\u0633\u062a\u0646\u062f. \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0643\u0648\u0646 \u0647\u0630\u0647 \u0627\u0644\u0643\u0644\u0645\u0627\u062a \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u0631\u062c\u0629 \u0645\u0641\u064a\u062f\u0629 \u0644\u062a\u0644\u062e\u064a\u0635 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0648\u0646\u0645\u0630\u062c\u0629 \u0627\u0644\u0645\u0648\u0627\u0636\u064a\u0639 \u0648\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u062d\u062a\u0648\u0649.<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u0644\u062a\u0635\u0641\u064a\u0629 \u0639\u0644\u0649 \u0623\u0633\u0627\u0633 \u0627\u0644\u0645\u062d\u062a\u0648\u0649<\/strong>: \u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u0648\u0635\u064a\u0629\u060c \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 TF-IDF \u0644\u0644\u062a\u0635\u0641\u064a\u0629 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u062d\u062a\u0648\u0649\u060c \u062d\u064a\u062b \u064a\u062a\u0645 \u062d\u0633\u0627\u0628 \u0627\u0644\u062a\u0634\u0627\u0628\u0647 \u0628\u064a\u0646 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0645\u062a\u062c\u0647\u0627\u062a TF-IDF \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0647\u0627. \u064a\u0645\u0643\u0646 \u0627\u0644\u062a\u0648\u0635\u064a\u0629 \u0628\u0645\u062d\u062a\u0648\u0649 \u0645\u0645\u0627\u062b\u0644 \u0644\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u064a\u0646 \u0627\u0644\u0630\u064a\u0646 \u0644\u062f\u064a\u0647\u0645 \u062a\u0641\u0636\u064a\u0644\u0627\u062a \u0645\u0645\u0627\u062b\u0644\u0629.<\/p>\n<\/li>\n<li>\n<p><strong>\u062a\u062e\u0641\u064a\u0636 \u0627\u0644\u0623\u0628\u0639\u0627\u062f<\/strong>: \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 TF-IDF \u0644\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0623\u0628\u0639\u0627\u062f \u0641\u064a \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0646\u0635\u064a\u0629. \u0645\u0646 \u062e\u0644\u0627\u0644 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0627\u0644\u0623\u0639\u0644\u0649 \u0630\u0627\u062a \u0623\u0639\u0644\u0649 \u062f\u0631\u062c\u0627\u062a TF-IDF\u060c \u064a\u0645\u0643\u0646 \u0625\u0646\u0634\u0627\u0621 \u0645\u0633\u0627\u062d\u0629 \u0645\u064a\u0632\u0627\u062a \u0645\u062e\u0641\u0636\u0629 \u0648\u0623\u0643\u062b\u0631 \u0625\u0641\u0627\u062f\u0629.<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u0633\u062a\u0642\u0644\u0627\u0644 \u0627\u0644\u0644\u063a\u0629<\/strong>: TF-IDF \u0645\u0633\u062a\u0642\u0644 \u0646\u0633\u0628\u064a\u064b\u0627 \u0639\u0646 \u0627\u0644\u0644\u063a\u0629 \u0648\u064a\u0645\u0643\u0646 \u062a\u0637\u0628\u064a\u0642\u0647 \u0639\u0644\u0649 \u0644\u063a\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u0629 \u0645\u0639 \u062a\u0639\u062f\u064a\u0644\u0627\u062a \u0637\u0641\u064a\u0641\u0629. \u0648\u0647\u0630\u0627 \u064a\u062c\u0639\u0644\u0647\u0627 \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0637\u0628\u064a\u0642 \u0639\u0644\u0649 \u0645\u062c\u0645\u0648\u0639\u0627\u062a \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0644\u063a\u0627\u062a.<\/p>\n<\/li>\n<\/ol>\n<p>\u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0647\u0630\u0647 \u0627\u0644\u0645\u0632\u0627\u064a\u0627\u060c \u0645\u0646 \u0627\u0644\u0636\u0631\u0648\u0631\u064a \u0627\u0633\u062a\u062e\u062f\u0627\u0645 TF-IDF \u062c\u0646\u0628\u064b\u0627 \u0625\u0644\u0649 \u062c\u0646\u0628 \u0645\u0639 \u062a\u0642\u0646\u064a\u0627\u062a \u0623\u062e\u0631\u0649 \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0627\u0644\u0646\u062a\u0627\u0626\u062c \u0627\u0644\u0623\u0643\u062b\u0631 \u062f\u0642\u0629 \u0648\u0630\u0627\u062a \u0635\u0644\u0629\u060c \u062e\u0627\u0635\u0629 \u0641\u064a \u0645\u0647\u0627\u0645 \u0641\u0647\u0645 \u0627\u0644\u0644\u063a\u0629 \u0627\u0644\u0645\u0639\u0642\u062f\u0629.<\/p>\n<h2>\u0627\u0643\u062a\u0628 \u0645\u0627 \u0647\u064a \u0623\u0646\u0648\u0627\u0639 \u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0648\u062a\u0643\u0631\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0627\u0644\u0639\u0643\u0633\u064a\u0629 (TF-IDF) \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629. \u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u062c\u062f\u0627\u0648\u0644 \u0648\u0627\u0644\u0642\u0648\u0627\u0626\u0645 \u0641\u064a \u0627\u0644\u0643\u062a\u0627\u0628\u0629.<\/h2>\n<p>\u064a\u0645\u0643\u0646 \u062a\u062e\u0635\u064a\u0635 TF-IDF \u0628\u0634\u0643\u0644 \u0623\u0643\u0628\u0631 \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0641\u064a \u0645\u0635\u0637\u0644\u062d \u0627\u0644\u062a\u0631\u062f\u062f \u0648\u062d\u0633\u0627\u0628\u0627\u062a \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a. \u062a\u062a\u0636\u0645\u0646 \u0628\u0639\u0636 \u0627\u0644\u0623\u0646\u0648\u0627\u0639 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0645\u0646 TF-IDF \u0645\u0627 \u064a\u0644\u064a:<\/p>\n<ol>\n<li>\n<p><strong>\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0627\u0644\u062e\u0627\u0645 (TF)<\/strong>: \u0623\u0628\u0633\u0637 \u0634\u0643\u0644 \u0645\u0646 \u0623\u0634\u0643\u0627\u0644 TF\u060c \u0648\u0627\u0644\u0630\u064a \u064a\u0645\u062b\u0644 \u0627\u0644\u0639\u062f\u062f \u0627\u0644\u0623\u0648\u0644\u064a \u0644\u0644\u0645\u0635\u0637\u0644\u062d \u0641\u064a \u0627\u0644\u0645\u0633\u062a\u0646\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u062f\u0649 \u0644\u0648\u063a\u0627\u0631\u064a\u062a\u0645\u064a\u064b\u0627<\/strong>: \u0645\u062a\u063a\u064a\u0631 \u0645\u0646 TF \u064a\u0637\u0628\u0642 \u0627\u0644\u0642\u064a\u0627\u0633 \u0627\u0644\u0644\u0648\u063a\u0627\u0631\u064a\u062a\u0645\u064a \u0644\u062a\u062e\u0641\u064a\u0641 \u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f \u0644\u0644\u063a\u0627\u064a\u0629.<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u0644\u062a\u0637\u0628\u064a\u0639 \u0627\u0644\u0645\u0632\u062f\u0648\u062c TF<\/strong>: \u0644\u062a\u0637\u0628\u064a\u0639 \u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0639\u0646 \u0637\u0631\u064a\u0642 \u0642\u0633\u0645\u062a\u0647 \u0639\u0644\u0649 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0641\u064a \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0644\u0645\u0646\u0639 \u0627\u0644\u0627\u0646\u062d\u064a\u0627\u0632 \u0646\u062d\u0648 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0627\u0644\u0623\u0637\u0648\u0644.<\/p>\n<\/li>\n<li>\n<p><strong>\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0627\u0644\u0645\u0639\u0632\u0632<\/strong>: \u064a\u0634\u0628\u0647 Double Normalization TF \u0648\u0644\u0643\u0646\u0647 \u064a\u0642\u0633\u0645 \u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0639\u0644\u0649 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u062b\u0645 \u064a\u0636\u064a\u0641 0.5 \u0644\u062a\u062c\u0646\u0628 \u0645\u0634\u0643\u0644\u0629 \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0627\u0644\u0635\u0641\u0631\u064a.<\/p>\n<\/li>\n<li>\n<p><strong>\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0627\u0644\u0645\u0646\u0637\u0642\u064a<\/strong>: \u062a\u0645\u062b\u064a\u0644 \u062b\u0646\u0627\u0626\u064a \u0644\u0640 TF\u060c \u062d\u064a\u062b \u064a\u0634\u064a\u0631 \u0627\u0644\u0631\u0642\u0645 1 \u0625\u0644\u0649 \u0648\u062c\u0648\u062f \u0645\u0635\u0637\u0644\u062d \u0641\u064a \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u060c \u0648\u064a\u0634\u064a\u0631 \u0627\u0644\u0631\u0642\u0645 0 \u0625\u0644\u0649 \u063a\u064a\u0627\u0628\u0647.<\/p>\n<\/li>\n<li>\n<p><strong>\u062c\u064a\u0634 \u0627\u0644\u062f\u0641\u0627\u0639 \u0627\u0644\u0625\u0633\u0631\u0627\u0626\u064a\u0644\u064a \u0627\u0644\u0633\u0644\u0633<\/strong>: \u064a\u062a\u0636\u0645\u0646 \u062d\u062f\u064b\u0627 \u062a\u0645\u0647\u064a\u062f\u064a\u064b\u0627 \u0641\u064a \u062d\u0633\u0627\u0628 IDF \u0644\u0645\u0646\u0639 \u0627\u0644\u0642\u0633\u0645\u0629 \u0639\u0644\u0649 \u0635\u0641\u0631 \u0639\u0646\u062f \u0638\u0647\u0648\u0631 \u0645\u0635\u0637\u0644\u062d \u0641\u064a \u062c\u0645\u064a\u0639 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a.<\/p>\n<\/li>\n<\/ol>\n<p>\u0642\u062f \u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629 \u0644\u0640 TF-IDF \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0633\u064a\u0646\u0627\u0631\u064a\u0648\u0647\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u0629\u060c \u0648\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u0642\u0648\u0645 \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0648\u0646 \u0628\u062a\u062c\u0631\u0628\u0629 \u0623\u0646\u0648\u0627\u0639 \u0645\u062a\u0639\u062f\u062f\u0629 \u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0623\u0643\u062b\u0631 \u0641\u0639\u0627\u0644\u064a\u0629 \u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0647\u0645.<\/p>\n<h2>\u0637\u0631\u0642 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u2013 \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a (TF-IDF) \u0648\u0627\u0644\u0645\u0634\u0643\u0644\u0627\u062a \u0648\u062d\u0644\u0648\u0644\u0647\u0627 \u0627\u0644\u0645\u062a\u0639\u0644\u0642\u0629 \u0628\u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645.<\/h2>\n<p>\u064a\u062c\u062f TF-IDF \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u0629 \u0641\u064a \u0645\u062c\u0627\u0644\u0627\u062a \u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0648\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0644\u063a\u0627\u062a \u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629 \u0648\u062a\u062d\u0644\u064a\u0644\u0627\u062a \u0627\u0644\u0646\u0635\u0648\u0635. \u062a\u062a\u0636\u0645\u0646 \u0628\u0639\u0636 \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 TF-IDF \u0645\u0627 \u064a\u0644\u064a:<\/p>\n<ol>\n<li>\n<p><strong>\u0628\u062d\u062b \u0627\u0644\u0648\u062b\u064a\u0642\u0629 \u0648\u0627\u0644\u062a\u0635\u0646\u064a\u0641<\/strong>: \u064a\u064f\u0633\u062a\u062e\u062f\u0645 TF-IDF \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0641\u064a \u0645\u062d\u0631\u0643\u0627\u062a \u0627\u0644\u0628\u062d\u062b \u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0645\u062f\u0649 \u0635\u0644\u062a\u0647\u0627 \u0628\u0627\u0633\u062a\u0639\u0644\u0627\u0645 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645. \u062a\u0634\u064a\u0631 \u062f\u0631\u062c\u0627\u062a TF-IDF \u0627\u0644\u0623\u0639\u0644\u0649 \u0625\u0644\u0649 \u062a\u0637\u0627\u0628\u0642 \u0623\u0641\u0636\u0644\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062a\u062d\u0633\u064a\u0646 \u0646\u062a\u0627\u0626\u062c \u0627\u0644\u0628\u062d\u062b.<\/p>\n<\/li>\n<li>\n<p><strong>\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0646\u0635 \u0648\u062a\u0635\u0646\u064a\u0641\u0647<\/strong>: \u0641\u064a \u0645\u0647\u0627\u0645 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0646\u0635\u060c \u0645\u062b\u0644 \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0634\u0627\u0639\u0631 \u0623\u0648 \u0646\u0645\u0630\u062c\u0629 \u0627\u0644\u0645\u0648\u0636\u0648\u0639\u060c \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 TF-IDF \u0644\u0627\u0633\u062a\u062e\u0631\u0627\u062c \u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0648\u062a\u0645\u062b\u064a\u0644 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0631\u0642\u0645\u064a\u064b\u0627.<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u0633\u062a\u062e\u0631\u0627\u062c \u0627\u0644\u0643\u0644\u0645\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/strong>: \u064a\u0633\u0627\u0639\u062f TF-IDF \u0641\u064a \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0643\u0644\u0645\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0627\u0644\u0645\u0647\u0645\u0629 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u060c \u0648\u0627\u0644\u062a\u064a \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0643\u0648\u0646 \u0645\u0641\u064a\u062f\u0629 \u0644\u0644\u062a\u0644\u062e\u064a\u0635 \u0648\u0648\u0636\u0639 \u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a \u0648\u0627\u0644\u062a\u0635\u0646\u064a\u0641.<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a<\/strong>: \u064a\u0639\u062f TF-IDF \u0645\u0643\u0648\u0646\u064b\u0627 \u0623\u0633\u0627\u0633\u064a\u064b\u0627 \u0641\u064a \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0623\u0646\u0638\u0645\u0629 \u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a\u060c \u0645\u0645\u0627 \u064a\u0636\u0645\u0646 \u0627\u0633\u062a\u0631\u062c\u0627\u0639\u064b\u0627 \u062f\u0642\u064a\u0642\u064b\u0627 \u0648\u0630\u0648 \u0635\u0644\u0629 \u0644\u0644\u0648\u062b\u0627\u0626\u0642 \u0645\u0646 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0627\u062a \u0627\u0644\u0643\u0628\u064a\u0631\u0629.<\/p>\n<\/li>\n<li>\n<p><strong>\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u0648\u0635\u064a\u0629<\/strong>: \u064a\u0633\u062a\u0641\u064a\u062f \u0627\u0644\u0645\u0648\u0635\u064a\u0648\u0646 \u0627\u0644\u0645\u0639\u062a\u0645\u062f\u0648\u0646 \u0639\u0644\u0649 \u0627\u0644\u0645\u062d\u062a\u0648\u0649 \u0645\u0646 TF-IDF \u0644\u062a\u062d\u062f\u064a\u062f \u0623\u0648\u062c\u0647 \u0627\u0644\u062a\u0634\u0627\u0628\u0647 \u0628\u064a\u0646 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0648\u0627\u0644\u062a\u0648\u0635\u064a\u0629 \u0628\u0627\u0644\u0645\u062d\u062a\u0648\u0649 \u0630\u064a \u0627\u0644\u0635\u0644\u0629 \u0644\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u064a\u0646.<\/p>\n<\/li>\n<\/ol>\n<p>\u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0641\u0639\u0627\u0644\u064a\u062a\u0647\u060c \u0641\u0625\u0646 \u0642\u0648\u0629 \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u062a\u0627\u0628\u0639\u0629 \u0644\u0642\u0648\u0627\u062a \u0627\u0644\u062f\u0641\u0627\u0639 \u0627\u0644\u0625\u0633\u0631\u0627\u0626\u064a\u0644\u064a\u0629 \u0644\u062f\u064a\u0647\u0627 \u0628\u0639\u0636 \u0627\u0644\u0642\u064a\u0648\u062f \u0648\u0627\u0644\u0642\u0636\u0627\u064a\u0627 \u0627\u0644\u0645\u062d\u062a\u0645\u0644\u0629:<\/p>\n<ol>\n<li>\n<p><strong>\u0645\u0635\u0637\u0644\u062d \u0627\u0644\u0625\u0641\u0631\u0627\u0637 \u0641\u064a \u0627\u0644\u062a\u0645\u062b\u064a\u0644<\/strong>: \u0642\u062f \u062a\u062d\u0635\u0644 \u0627\u0644\u0643\u0644\u0645\u0627\u062a \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0639\u0644\u0649 \u062f\u0631\u062c\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0641\u064a TF-IDF\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062a\u062d\u064a\u0632\u0627\u062a \u0645\u062d\u062a\u0645\u0644\u0629. \u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0647\u0630\u0647 \u0627\u0644\u0645\u0634\u0643\u0644\u0629\u060c \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u062a\u0645 \u0625\u0632\u0627\u0644\u0629 \u0643\u0644\u0645\u0627\u062a \u0627\u0644\u062a\u0648\u0642\u0641 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c &quot;\u0648&quot; \u0648&quot;the&quot; \u0648&quot;is&quot;) \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0633\u0628\u0642\u0629.<\/p>\n<\/li>\n<li>\n<p><strong>\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0646\u0627\u062f\u0631\u0629<\/strong>: \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0638\u0647\u0631 \u0641\u064a \u0639\u062f\u062f \u0642\u0644\u064a\u0644 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0641\u0642\u0637 \u0642\u062f \u062a\u062d\u0635\u0644 \u0639\u0644\u0649 \u062f\u0631\u062c\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0644\u0644\u063a\u0627\u064a\u0629 \u0641\u064a IDF\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062a\u0623\u062b\u064a\u0631 \u0645\u0628\u0627\u0644\u063a \u0641\u064a\u0647 \u0639\u0644\u0649 \u062f\u0631\u062c\u0629 TF-IDF. \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u062a\u062c\u0627\u0646\u0633 \u0644\u0644\u062a\u062e\u0641\u064a\u0641 \u0645\u0646 \u0647\u0630\u0647 \u0627\u0644\u0645\u0634\u0643\u0644\u0629.<\/p>\n<\/li>\n<li>\n<p><strong>\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u062a\u062d\u062c\u064a\u0645<\/strong>: \u0642\u062f \u062a\u062d\u062a\u0648\u064a \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0627\u0644\u0623\u0637\u0648\u0644 \u0639\u0644\u0649 \u062a\u0631\u062f\u062f\u0627\u062a \u0645\u0635\u0637\u0644\u062d \u0623\u0648\u0644\u064a \u0623\u0639\u0644\u0649\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062f\u0631\u062c\u0627\u062a \u0623\u0639\u0644\u0649 \u0641\u064a TF-IDF. \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0623\u0633\u0627\u0644\u064a\u0628 \u0627\u0644\u062a\u0637\u0628\u064a\u0639 \u0644\u062d\u0633\u0627\u0628 \u0647\u0630\u0627 \u0627\u0644\u062a\u062d\u064a\u0632.<\/p>\n<\/li>\n<li>\n<p><strong>\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u062e\u0627\u0631\u062c\u0629 \u0639\u0646 \u0627\u0644\u0645\u0641\u0631\u062f\u0627\u062a<\/strong>: \u0642\u062f \u0644\u0627 \u062a\u062d\u062a\u0648\u064a \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0627\u0644\u062c\u062f\u064a\u062f\u0629 \u0623\u0648 \u063a\u064a\u0631 \u0627\u0644\u0645\u0631\u0626\u064a\u0629 \u0641\u064a \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0639\u0644\u0649 \u062f\u0631\u062c\u0627\u062a IDF \u0627\u0644\u0645\u0642\u0627\u0628\u0644\u0629. \u064a\u0645\u0643\u0646 \u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0630\u0644\u0643 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0642\u064a\u0645\u0629 IDF \u062b\u0627\u0628\u062a\u0629 \u0644\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u063a\u064a\u0631 \u0627\u0644\u0645\u0641\u0631\u062f\u0627\u062a \u0623\u0648 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u0642\u0646\u064a\u0627\u062a \u0645\u062b\u0644 \u0627\u0644\u0642\u064a\u0627\u0633 \u062a\u062d\u062a \u0627\u0644\u062e\u0637\u064a.<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u0644\u0627\u0639\u062a\u0645\u0627\u062f \u0639\u0644\u0649 \u0627\u0644\u0645\u062c\u0627\u0644<\/strong>: \u0642\u062f \u062a\u062e\u062a\u0644\u0641 \u0641\u0639\u0627\u0644\u064a\u0629 TF-IDF \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0645\u062c\u0627\u0644 \u0648\u0637\u0628\u064a\u0639\u0629 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a. \u0642\u062f \u062a\u062a\u0637\u0644\u0628 \u0628\u0639\u0636 \u0627\u0644\u0646\u0637\u0627\u0642\u0627\u062a \u062a\u0642\u0646\u064a\u0627\u062a \u0623\u0643\u062b\u0631 \u062a\u0642\u062f\u0645\u064b\u0627 \u0623\u0648 \u062a\u0639\u062f\u064a\u0644\u0627\u062a \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u062c\u0627\u0644.<\/p>\n<\/li>\n<\/ol>\n<p>\u0644\u062a\u0639\u0638\u064a\u0645 \u0641\u0648\u0627\u0626\u062f TF-IDF \u0648\u0645\u0648\u0627\u062c\u0647\u0629 \u0647\u0630\u0647 \u0627\u0644\u062a\u062d\u062f\u064a\u0627\u062a\u060c \u062a\u0639\u062f \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0633\u0628\u0642\u0629 \u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u0648\u0627\u0644\u062a\u062c\u0631\u064a\u0628 \u0645\u0639 \u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u0629 \u0645\u0646 TF-IDF \u0648\u0627\u0644\u0641\u0647\u0645 \u0627\u0644\u0623\u0639\u0645\u0642 \u0644\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0623\u0645\u0631\u064b\u0627 \u0636\u0631\u0648\u0631\u064a\u064b\u0627.<\/p>\n<h2>\u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0648\u0645\u0642\u0627\u0631\u0646\u0627\u062a \u0623\u062e\u0631\u0649 \u0645\u0639 \u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0645\u0645\u0627\u062b\u0644\u0629 \u0641\u064a \u0634\u0643\u0644 \u062c\u062f\u0627\u0648\u0644 \u0648\u0642\u0648\u0627\u0626\u0645.<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0635\u0641\u0629 \u0645\u0645\u064a\u0632\u0629<\/th>\n<th>\u0642\u0648\u0629 \u0627\u0644\u0639\u0645\u0644-\u062c\u064a\u0634 \u0627\u0644\u062f\u0641\u0627\u0639 \u0627\u0644\u0625\u0633\u0631\u0627\u0626\u064a\u0644\u064a<\/th>\n<th>\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d (TF)<\/th>\n<th>\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a (IDF)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0645\u0648\u0636\u0648\u0639\u064a<\/td>\n<td>\u062a\u0642\u064a\u064a\u0645 \u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0645\u0635\u0637\u0644\u062d<\/td>\n<td>\u0642\u064a\u0627\u0633 \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d<\/td>\n<td>\u062a\u0642\u064a\u064a\u0645 \u0646\u062f\u0631\u0629 \u0627\u0644\u0645\u0635\u0637\u0644\u062d \u0639\u0628\u0631 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a<\/td>\n<\/tr>\n<tr>\n<td>\u0637\u0631\u064a\u0642\u0629 \u062d\u0633\u0627\u0628<\/td>\n<td>TF * \u062c\u064a\u0634 \u0627\u0644\u062f\u0641\u0627\u0639 \u0627\u0644\u0625\u0633\u0631\u0627\u0626\u064a\u0644\u064a<\/td>\n<td>\u0639\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0627\u0644\u0623\u0648\u0644\u064a\u0629 \u0641\u064a \u0627\u0644\u0645\u0633\u062a\u0646\u062f<\/td>\n<td>\u0644\u0648\u063a\u0627\u0631\u064a\u062a\u0645 (\u0625\u062c\u0645\u0627\u0644\u064a \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \/ \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0645\u0639 \u0627\u0644\u0645\u0635\u0637\u0644\u062d)<\/td>\n<\/tr>\n<tr>\n<td>\u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0627\u0644\u0646\u0627\u062f\u0631\u0629<\/td>\n<td>\u0639\u0627\u0644\u064a<\/td>\n<td>\u0642\u0644\u064a\u0644<\/td>\n<td>\u0639\u0627\u0644\u064a \u062c\u062f\u0627<\/td>\n<\/tr>\n<tr>\n<td>\u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0627\u0644\u0645\u0634\u062a\u0631\u0643\u0629<\/td>\n<td>\u0642\u0644\u064a\u0644<\/td>\n<td>\u0639\u0627\u0644\u064a<\/td>\n<td>\u0642\u0644\u064a\u0644<\/td>\n<\/tr>\n<tr>\n<td>\u062a\u0623\u062b\u064a\u0631 \u0637\u0648\u0644 \u0627\u0644\u0648\u062b\u064a\u0642\u0629<\/td>\n<td>\u062a\u0637\u0628\u064a\u0639 \u062d\u0633\u0628 \u0637\u0648\u0644 \u0627\u0644\u0648\u062b\u064a\u0642\u0629<\/td>\n<td>\u064a\u062a\u0646\u0627\u0633\u0628 \u0637\u0631\u062f\u064a\u0627<\/td>\n<td>\u0628\u062f\u0648\u0646 \u062a\u0623\u062b\u064a\u0631<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0633\u062a\u0642\u0644\u0627\u0644 \u0627\u0644\u0644\u063a\u0629<\/td>\n<td>\u0646\u0639\u0645<\/td>\n<td>\u0646\u0639\u0645<\/td>\n<td>\u0646\u0639\u0645<\/td>\n<\/tr>\n<tr>\n<td>\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/td>\n<td>\u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a\u060c \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0646\u0635\u060c \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u0627\u0644\u0643\u0644\u0645\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/td>\n<td>\u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a\u060c \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0646\u0635<\/td>\n<td>\u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a\u060c \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0646\u0635<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u0648\u062c\u0647\u0627\u062a \u0646\u0638\u0631 \u0648\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644 \u0627\u0644\u0645\u062a\u0639\u0644\u0642\u0629 \u0628\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d - \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a (TF-IDF).<\/h2>\n<p>\u0648\u0645\u0639 \u0627\u0633\u062a\u0645\u0631\u0627\u0631 \u062a\u0637\u0648\u0631 \u0627\u0644\u062a\u0643\u0646\u0648\u0644\u0648\u062c\u064a\u0627\u060c \u064a\u0638\u0644 \u062f\u0648\u0631 \u0642\u0648\u0629 \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u062a\u0627\u0628\u0639\u0629 \u0644\u062c\u064a\u0634 \u0627\u0644\u062f\u0641\u0627\u0639 \u0627\u0644\u0625\u0633\u0631\u0627\u0626\u064a\u0644\u064a \u0645\u0647\u0645\u064b\u0627\u060c \u0648\u0625\u0646 \u0643\u0627\u0646 \u0645\u0639 \u0628\u0639\u0636 \u0627\u0644\u062a\u0642\u062f\u0645 \u0648\u0627\u0644\u062a\u062d\u0633\u064a\u0646\u0627\u062a. \u0641\u064a\u0645\u0627 \u064a\u0644\u064a \u0628\u0639\u0636 \u0648\u062c\u0647\u0627\u062a \u0627\u0644\u0646\u0638\u0631 \u0648\u0627\u0644\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a\u0629 \u0627\u0644\u0645\u062d\u062a\u0645\u0644\u0629 \u0627\u0644\u0645\u062a\u0639\u0644\u0642\u0629 \u0628\u0640 TF-IDF:<\/p>\n<ol>\n<li>\n<p><strong>\u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u062a\u0642\u062f\u0645\u0629 \u0644\u0644\u063a\u0627\u062a \u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629 (NLP)<\/strong>: \u0645\u0639 \u062a\u0642\u062f\u0645 \u0646\u0645\u0627\u0630\u062c \u0627\u0644\u0628\u0631\u0645\u062c\u0629 \u0627\u0644\u0644\u063a\u0648\u064a\u0629 \u0627\u0644\u0639\u0635\u0628\u064a\u0629 \u0645\u062b\u0644 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0648BERT \u0648GPT\u060c \u0647\u0646\u0627\u0643 \u0627\u0647\u062a\u0645\u0627\u0645 \u0645\u062a\u0632\u0627\u064a\u062f \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u0636\u0645\u064a\u0646 \u0627\u0644\u0633\u064a\u0627\u0642\u064a \u0648\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u062a\u0639\u0644\u0645 \u0627\u0644\u0639\u0645\u064a\u0642 \u0644\u062a\u0645\u062b\u064a\u0644 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0623\u0633\u0627\u0644\u064a\u0628 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u0629 \u0644\u062d\u0642\u064a\u0628\u0629 \u0627\u0644\u0643\u0644\u0645\u0627\u062a \u0645\u062b\u0644 TF-IDF. \u064a\u0645\u0643\u0646 \u0644\u0647\u0630\u0647 \u0627\u0644\u0646\u0645\u0627\u0630\u062c \u0627\u0644\u062a\u0642\u0627\u0637 \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0648\u0633\u064a\u0627\u0642 \u062f\u0644\u0627\u0644\u064a \u0623\u0643\u062b\u0631 \u062b\u0631\u0627\u0621\u064b \u0641\u064a \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0646\u0635\u064a\u0629.<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u0644\u062a\u0639\u062f\u064a\u0644\u0627\u062a \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u062c\u0627\u0644<\/strong>: \u0642\u062f \u062a\u0631\u0643\u0632 \u0627\u0644\u0623\u0628\u062d\u0627\u062b \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a\u0629 \u0639\u0644\u0649 \u062a\u0637\u0648\u064a\u0631 \u062a\u0639\u062f\u064a\u0644\u0627\u062a \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u062c\u0627\u0644 \u0644\u0640 TF-IDF \u0648\u0627\u0644\u062a\u064a \u062a\u0623\u062e\u0630 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631 \u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0648\u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0641\u0631\u064a\u062f\u0629 \u0644\u0644\u0645\u062c\u0627\u0644\u0627\u062a \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629. \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062f\u064a \u062a\u062e\u0635\u064a\u0635 TF-IDF \u0625\u0644\u0649 \u0635\u0646\u0627\u0639\u0627\u062a \u0623\u0648 \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0645\u062d\u062f\u062f\u0629 \u0625\u0644\u0649 \u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0623\u0643\u062b\u0631 \u062f\u0642\u0629 \u0648\u0625\u062f\u0631\u0627\u0643\u064b\u0627 \u0644\u0644\u0633\u064a\u0627\u0642.<\/p>\n<\/li>\n<li>\n<p><strong>\u062a\u0645\u062b\u064a\u0644\u0627\u062a \u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0648\u0633\u0627\u0626\u0637<\/strong>: \u0645\u0639 \u062a\u0646\u0648\u0639 \u0645\u0635\u0627\u062f\u0631 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a\u060c \u0647\u0646\u0627\u0643 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\u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0644\u0644\u0645\u0648\u0627\u0631\u062f\u060c \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0645\u062c\u0627\u0645\u064a\u0639 \u0648\u0627\u0633\u0639\u0629 \u0627\u0644\u0646\u0637\u0627\u0642. \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062e\u0648\u0627\u062f\u0645 \u0627\u0644\u0648\u0643\u064a\u0644\u0629 \u0644\u062a\u0648\u0632\u064a\u0639 \u0639\u0645\u0644\u064a\u0629 \u062c\u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0639\u0628\u0631 \u062e\u0648\u0627\u062f\u0645 \u0645\u062a\u0639\u062f\u062f\u0629\u060c \u0645\u0645\u0627 \u064a\u0642\u0644\u0644 \u0627\u0644\u0639\u0628\u0621 \u0627\u0644\u062d\u0633\u0627\u0628\u064a.<\/p>\n<\/li>\n<li>\n<p><strong>\u062c\u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0644\u063a\u0627\u062a<\/strong>: \u064a\u0645\u0643\u0646 \u0644\u0644\u062e\u0648\u0627\u062f\u0645 \u0627\u0644\u0648\u0643\u064a\u0644\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0645\u0646\u0627\u0637\u0642 \u0645\u062e\u062a\u0644\u0641\u0629 \u062a\u0633\u0647\u064a\u0644 \u062c\u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0644\u063a\u0627\u062a. \u064a\u0645\u0643\u0646 \u062a\u0637\u0628\u064a\u0642 TF-IDF \u0639\u0644\u0649 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0628\u0644\u063a\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u0629 \u0644\u062f\u0639\u0645 \u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0628\u0634\u0643\u0644 \u0645\u0633\u062a\u0642\u0644 \u0639\u0646 \u0627\u0644\u0644\u063a\u0629.<\/p>\n<\/li>\n<\/ol>\n<p>\u0641\u064a \u062d\u064a\u0646 \u0623\u0646 \u0627\u0644\u062e\u0648\u0627\u062f\u0645 \u0627\u0644\u0648\u0643\u064a\u0644\u0629 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0633\u0627\u0639\u062f \u0641\u064a \u062c\u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0648\u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u064a\u0647\u0627\u060c \u0625\u0644\u0627 \u0623\u0646\u0647\u0627 \u0644\u0627 \u062a\u0624\u062b\u0631 \u0628\u0637\u0628\u064a\u0639\u062a\u0647\u0627 \u0639\u0644\u0649 \u0639\u0645\u0644\u064a\u0629 \u062d\u0633\u0627\u0628 TF-IDF \u0646\u0641\u0633\u0647\u0627. \u0625\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062e\u0648\u0627\u062f\u0645 \u0627\u0644\u0648\u0643\u064a\u0644\u0629 \u064a\u0647\u062f\u0641 \u0641\u064a \u0627\u0644\u0645\u0642\u0627\u0645 \u0627\u0644\u0623\u0648\u0644 \u0625\u0644\u0649 \u062a\u0639\u0632\u064a\u0632 \u062c\u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0648\u062e\u0635\u0648\u0635\u064a\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645.<\/p>\n<h2>\u0631\u0648\u0627\u0628\u0637 \u0630\u0627\u062a \u0639\u0644\u0627\u0642\u0629<\/h2>\n<p>\u0644\u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u062d\u0648\u0644 \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0637\u0644\u062d - \u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0627\u0644\u0639\u0643\u0633\u064a (TF-IDF) \u0648\u062a\u0637\u0628\u064a\u0642\u0627\u062a\u0647\u060c \u0641\u0643\u0631 \u0641\u064a \u0627\u0633\u062a\u0643\u0634\u0627\u0641 \u0627\u0644\u0645\u0648\u0627\u0631\u062f \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/p>\n<ol>\n<li>\n<p><a href=\"https:\/\/www.amazon.com\/Information-Retrieval-Second-C-J-van-Rijsbergen\/dp\/0853127742\" target=\"_new\" rel=\"noopener nofollow\">\u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0628\u0648\u0627\u0633\u0637\u0629 CJ van Rijsbergen<\/a> \u2013 \u0643\u062a\u0627\u0628 \u0634\u0627\u0645\u0644 \u064a\u063a\u0637\u064a \u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 TF-IDF.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/scikit-learn.org\/stable\/modules\/feature_extraction.html#tfidf-term-weighting\" target=\"_new\" rel=\"noopener nofollow\">\u0648\u062b\u0627\u0626\u0642 Scikit-Learn \u062d\u0648\u0644 TF-IDF<\/a> - \u062a\u0648\u0641\u0631 \u0648\u062b\u0627\u0626\u0642 Scikit-learn \u0623\u0645\u062b\u0644\u0629 \u0639\u0645\u0644\u064a\u0629 \u0648\u062a\u0641\u0627\u0635\u064a\u0644 \u062a\u0646\u0641\u064a\u0630 \u0644\u0640 TF-IDF \u0641\u064a Python.<\/p>\n<\/li>\n<li>\n<p><a href=\"http:\/\/infolab.stanford.edu\/~backrub\/google.html\" target=\"_new\" rel=\"noopener nofollow\">\u062a\u0634\u0631\u064a\u062d \u0645\u062d\u0631\u0643 \u0628\u062d\u062b \u0648\u064a\u0628 \u0648\u0627\u0633\u0639 \u0627\u0644\u0646\u0637\u0627\u0642 \u0644\u0644\u0646\u0635\u0648\u0635 \u0627\u0644\u062a\u0634\u0639\u0628\u064a\u0629 \u0628\u0642\u0644\u0645 \u0633\u064a\u0631\u062c\u064a \u0628\u0631\u064a\u0646 \u0648\u0644\u0648\u0631\u0646\u0633 \u0628\u064a\u062c<\/a> \u2013 \u0627\u0644\u0648\u0631\u0642\u0629 \u0627\u0644\u0623\u0635\u0644\u064a\u0629 \u0644\u0645\u062d\u0631\u0643 \u0628\u062d\u062b Google\u060c \u0648\u0627\u0644\u062a\u064a \u062a\u0646\u0627\u0642\u0634 \u062f\u0648\u0631 TF-IDF \u0641\u064a \u062e\u0648\u0627\u0631\u0632\u0645\u064a\u0629 \u0627\u0644\u0628\u062d\u062b \u0627\u0644\u0645\u0628\u0643\u0631\u0629 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0647\u0645.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/nlp.stanford.edu\/IR-book\/information-retrieval-book.html\" target=\"_new\" rel=\"noopener nofollow\">\u0645\u0642\u062f\u0645\u0629 \u0644\u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0628\u0642\u0644\u0645 \u0643\u0631\u064a\u0633\u062a\u0648\u0641\u0631 \u062f. \u0645\u0627\u0646\u064a\u0646\u063a\u060c \u0648\u0628\u0631\u0627\u0628\u0647\u0627\u0643\u0627\u0631 \u0631\u0627\u063a\u0627\u0641\u0627\u0646\u060c \u0648\u0647\u064a\u0646\u0631\u064a\u0634 \u0634\u0648\u062a\u0632<\/a> - \u0643\u062a\u0627\u0628 \u0639\u0644\u0649 \u0627\u0644\u0625\u0646\u062a\u0631\u0646\u062a \u064a\u063a\u0637\u064a \u0645\u062e\u062a\u0644\u0641 \u062c\u0648\u0627\u0646\u0628 \u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0642\u0648\u0629 \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u062a\u0627\u0628\u0639\u0629 \u0644\u062c\u064a\u0634 \u0627\u0644\u062f\u0641\u0627\u0639 \u0627\u0644\u0625\u0633\u0631\u0627\u0626\u064a\u0644\u064a.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/link.springer.com\/chapter\/10.1007\/978-981-15-1143-0_12\" target=\"_new\" rel=\"noopener nofollow\">\u062a\u0642\u0646\u064a\u0629 TF-IDF \u0644\u0644\u062a\u0646\u0642\u064a\u0628 \u0639\u0646 \u0627\u0644\u0646\u0635\u0648\u0635 \u0645\u0639 \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0645\u0646 SR Brinjal \u0648MVS Sowmya<\/a> \u2013 \u0648\u0631\u0642\u0629 \u0628\u062d\u062b\u064a\u0629 \u062a\u0633\u062a\u0643\u0634\u0641 \u062a\u0637\u0628\u064a\u0642 TF-IDF \u0641\u064a \u0627\u0644\u062a\u0646\u0642\u064a\u0628 \u0639\u0646 \u0627\u0644\u0646\u0635\u0648\u0635.<\/p>\n<\/li>\n<\/ol>\n<p>\u0625\u0646 \u0641\u0647\u0645 TF-IDF \u0648\u062a\u0637\u0628\u064a\u0642\u0627\u062a\u0647 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0639\u0632\u0632 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631 \u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0648\u0645\u0647\u0627\u0645 \u0627\u0644\u0628\u0631\u0645\u062c\u0629 \u0627\u0644\u0644\u063a\u0648\u064a\u0629 \u0627\u0644\u0639\u0635\u0628\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644\u0647\u0627 \u0623\u062f\u0627\u0629 \u0642\u064a\u0645\u0629 \u0644\u0644\u0628\u0627\u062d\u062b\u064a\u0646 \u0648\u0627\u0644\u0645\u0637\u0648\u0631\u064a\u0646 \u0648\u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0639\u0644\u0649 \u062d\u062f \u0633\u0648\u0627\u0621.<\/p>","protected":false},"featured_media":470665,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479277","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Term Frequency-Inverse Document Frequency (TF-IDF)<\/mark>","faq_items":[{"question":"What is Term Frequency-Inverse Document Frequency (TF-IDF)?","answer":"<p>Term Frequency-Inverse Document Frequency (TF-IDF) is a widely used technique in information retrieval and natural language processing. It measures the importance of a term within a collection of documents by considering its frequency in a specific document and comparing it to its occurrence in the entire corpus. TF-IDF plays a crucial role in search engines, text classification, document clustering, and content recommendation systems.<\/p>"},{"question":"How did TF-IDF originate, and who first mentioned it?","answer":"<p>The concept of TF-IDF can be traced back to the early 1970s. Gerard Salton first introduced the term \"term frequency\" in his work on information retrieval. Karen Sp\u00e4rck Jones later proposed the concept of \"inverse document frequency\" as part of her research on statistical natural language processing. The combination of these ideas led to the development of TF-IDF, popularized by Salton and Buckley in the late 1980s.<\/p>"},{"question":"How does TF-IDF work?","answer":"<p>TF-IDF operates on the idea that a term's importance increases with its frequency in a document and decreases with its occurrence across all documents. The TF-IDF score for a term in a document is calculated by multiplying its term frequency (TF) by its inverse document frequency (IDF). This score quantifies the term's relevance to the document relative to the entire corpus.<\/p>"},{"question":"What are the key features of TF-IDF?","answer":"<p>TF-IDF provides several key features, including assessing term importance, document ranking, keyword extraction, and content-based filtering. It is language-independent and applicable to various languages. However, it does not consider word order, semantics, or context, and may not be ideal for specialized domains requiring more advanced techniques.<\/p>"},{"question":"What types of TF-IDF exist?","answer":"<p>Different types of TF-IDF include raw term frequency, logarithmically scaled term frequency, double normalization TF, augmented term frequency, boolean term frequency, and smooth IDF. Each variant offers specific adjustments to address different scenarios.<\/p>"},{"question":"How can TF-IDF be used, and what problems may arise?","answer":"<p>TF-IDF is used in document search, text classification, keyword extraction, and more. However, it may face challenges such as term overrepresentation, handling rare terms, scaling impact, and out-of-vocabulary terms. Preprocessing, variant selection, and understanding the data are essential to address these issues.<\/p>"},{"question":"What are the future perspectives for TF-IDF?","answer":"<p>The future of TF-IDF involves advanced NLP techniques like transformers, domain-specific adaptations, multi-modal representations, and efforts towards interpretable AI. Hybrid approaches combining TF-IDF with newer techniques may lead to more accurate and robust systems.<\/p>"},{"question":"How are proxy servers associated with TF-IDF?","answer":"<p>Proxy servers and TF-IDF are not directly related, but proxy servers can be used in tasks like web scraping, distributed data collection, and multilingual data collection, enhancing data gathering and user privacy.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/ar\/wp-json\/wp\/v2\/wiki\/479277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/ar\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/ar\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/ar\/wp-json\/wp\/v2\/wiki\/479277\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/ar\/wp-json\/wp\/v2\/media\/470665"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/ar\/wp-json\/wp\/v2\/media?parent=479277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}