{"id":479450,"date":"2023-08-09T10:40:25","date_gmt":"2023-08-09T10:40:25","guid":{"rendered":""},"modified":"2023-09-05T11:18:50","modified_gmt":"2023-09-05T11:18:50","slug":"unlabeled-data","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/unlabeled-data\/","title":{"rendered":"D\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n"},"content":{"rendered":"<p>D\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n \u0111\u1ec1 c\u1eadp \u0111\u1ebfn d\u1eef li\u1ec7u thi\u1ebfu ch\u00fa th\u00edch ho\u1eb7c nh\u00e3n l\u1edbp r\u00f5 r\u00e0ng, l\u00e0m cho n\u00f3 kh\u00e1c v\u1edbi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n, trong \u0111\u00f3 m\u1ed7i \u0111i\u1ec3m d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u00e1n m\u1ed9t danh m\u1ee5c c\u1ee5 th\u1ec3. Lo\u1ea1i d\u1eef li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong h\u1ecdc m\u00e1y, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong b\u1ed1i c\u1ea3nh thu\u1eadt to\u00e1n h\u1ecdc kh\u00f4ng gi\u00e1m s\u00e1t, trong \u0111\u00f3 h\u1ec7 th\u1ed1ng ph\u1ea3i kh\u00e1m ph\u00e1 c\u00e1c m\u1eabu v\u00e0 c\u1ea5u tr\u00fac b\u00ean trong d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 nh\u00e3n n\u00e0o c\u00f3 s\u1eb5n \u0111\u1ec3 h\u01b0\u1edbng d\u1eabn d\u1eef li\u1ec7u \u0111\u00f3. D\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau, cho ph\u00e9p ph\u00e1t tri\u1ec3n c\u00e1c m\u00f4 h\u00ecnh m\u1ea1nh m\u1ebd c\u00f3 th\u1ec3 kh\u00e1i qu\u00e1t h\u00f3a t\u1ed1t d\u1eef li\u1ec7u m\u1edbi v\u00e0 ch\u01b0a \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n<p>Kh\u00e1i ni\u1ec7m s\u1eed d\u1ee5ng d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n trong h\u1ecdc m\u00e1y \u0111\u00e3 c\u00f3 t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u nghi\u00ean c\u1ee9u tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o. Tuy nhi\u00ean, n\u00f3 \u0111\u00e3 thu h\u00fat \u0111\u01b0\u1ee3c s\u1ef1 ch\u00fa \u00fd \u0111\u00e1ng k\u1ec3 nh\u1edd s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c thu\u1eadt to\u00e1n h\u1ecdc kh\u00f4ng gi\u00e1m s\u00e1t v\u00e0o nh\u1eefng n\u0103m 1990. M\u1ed9t trong nh\u1eefng \u0111\u1ec1 c\u1eadp s\u1edbm nh\u1ea5t v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n l\u00e0 trong b\u1ed1i c\u1ea3nh thu\u1eadt to\u00e1n ph\u00e2n c\u1ee5m, trong \u0111\u00f3 c\u00e1c \u0111i\u1ec3m d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c nh\u00f3m d\u1ef1a tr\u00ean nh\u1eefng \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng m\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 danh m\u1ee5c \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc n\u00e0o. Trong nh\u1eefng n\u0103m qua, t\u1ea7m quan tr\u1ecdng c\u1ee7a d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n \u0111\u00e3 t\u0103ng l\u00ean c\u00f9ng v\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c k\u1ef9 thu\u1eadt h\u1ecdc m\u00e1y ti\u00ean ti\u1ebfn h\u01a1n.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n: M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1<\/h2>\n<p>D\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong nhi\u1ec1u nhi\u1ec7m v\u1ee5 h\u1ecdc m\u00e1y kh\u00e1c nhau, bao g\u1ed3m h\u1ecdc kh\u00f4ng gi\u00e1m s\u00e1t, h\u1ecdc b\u00e1n gi\u00e1m s\u00e1t v\u00e0 h\u1ecdc chuy\u1ec3n giao. C\u00e1c thu\u1eadt to\u00e1n h\u1ecdc kh\u00f4ng gi\u00e1m s\u00e1t s\u1eed d\u1ee5ng d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n \u0111\u1ec3 t\u00ecm c\u00e1c m\u1eabu c\u01a1 b\u1ea3n, nh\u00f3m c\u00e1c \u0111i\u1ec3m d\u1eef li\u1ec7u t\u01b0\u01a1ng t\u1ef1 ho\u1eb7c gi\u1ea3m t\u00ednh chi\u1ec1u c\u1ee7a d\u1eef li\u1ec7u. H\u1ecdc b\u00e1n gi\u00e1m s\u00e1t k\u1ebft h\u1ee3p c\u1ea3 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n \u0111\u1ec3 t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh ch\u00ednh x\u00e1c h\u01a1n, trong khi h\u1ecdc chuy\u1ec3n giao t\u1eadn d\u1ee5ng ki\u1ebfn th\u1ee9c h\u1ecdc \u0111\u01b0\u1ee3c t\u1eeb m\u1ed9t nhi\u1ec7m v\u1ee5 v\u1edbi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n v\u00e0 \u00e1p d\u1ee5ng n\u00f3 cho m\u1ed9t nhi\u1ec7m v\u1ee5 kh\u00e1c v\u1edbi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n h\u1ea1n ch\u1ebf.<\/p>\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n \u0111\u00e3 d\u1eabn \u0111\u1ebfn m\u1ed9t s\u1ed1 b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 trong x\u1eed l\u00fd ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean, th\u1ecb gi\u00e1c m\u00e1y t\u00ednh v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c. V\u00ed d\u1ee5: c\u00e1c ph\u1ea7n nh\u00fang t\u1eeb, ch\u1eb3ng h\u1ea1n nh\u01b0 Word2Vec v\u00e0 GloVe, \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o tr\u00ean s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u0103n b\u1ea3n kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n \u0111\u1ec3 t\u1ea1o ra c\u00e1c c\u00e1ch tr\u00ecnh b\u00e0y t\u1eeb n\u1eafm b\u1eaft c\u00e1c m\u1ed1i quan h\u1ec7 ng\u1eef ngh\u0129a. T\u01b0\u01a1ng t\u1ef1, c\u00e1c bi\u1ec3u di\u1ec5n h\u00ecnh \u1ea3nh kh\u00f4ng \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t \u0111\u00e3 c\u1ea3i thi\u1ec7n c\u00e1c nhi\u1ec7m v\u1ee5 nh\u1eadn d\u1ea1ng h\u00ecnh \u1ea3nh nh\u1edd v\u00e0o s\u1ee9c m\u1ea1nh c\u1ee7a d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n trong vi\u1ec7c h\u1ecdc c\u00e1c bi\u1ec3u di\u1ec5n \u0111\u1eb7c \u0111i\u1ec3m.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n: D\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>D\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n th\u01b0\u1eddng bao g\u1ed3m c\u00e1c m\u1eabu ho\u1eb7c phi\u00ean b\u1ea3n d\u1eef li\u1ec7u th\u00f4, thi\u1ebfu b\u1ea5t k\u1ef3 ch\u00fa th\u00edch ho\u1eb7c nh\u00e3n danh m\u1ee5c r\u00f5 r\u00e0ng n\u00e0o. Nh\u1eefng \u0111i\u1ec3m d\u1eef li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 \u1edf nhi\u1ec1u \u0111\u1ecbnh d\u1ea1ng kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 v\u0103n b\u1ea3n, h\u00ecnh \u1ea3nh, \u00e2m thanh ho\u1eb7c d\u1eef li\u1ec7u s\u1ed1. M\u1ee5c ti\u00eau c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n trong h\u1ecdc m\u00e1y l\u00e0 t\u1eadn d\u1ee5ng c\u00e1c m\u1eabu v\u00e0 c\u1ea5u tr\u00fac v\u1ed1n c\u00f3 trong d\u1eef li\u1ec7u \u0111\u1ec3 cho ph\u00e9p thu\u1eadt to\u00e1n t\u00ecm hi\u1ec3u c\u00e1c bi\u1ec3u di\u1ec5n c\u00f3 \u00fd ngh\u0129a ho\u1eb7c ph\u00e2n c\u1ee5m c\u00e1c \u0111i\u1ec3m d\u1eef li\u1ec7u t\u01b0\u01a1ng t\u1ef1.<\/p>\n<p>D\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n trong qu\u00e1 tr\u00ecnh \u0111\u00e0o t\u1ea1o \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a m\u00f4 h\u00ecnh. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, vi\u1ec7c \u0111\u00e0o t\u1ea1o tr\u01b0\u1edbc kh\u00f4ng c\u00f3 gi\u00e1m s\u00e1t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean m\u1ed9t t\u1eadp d\u1eef li\u1ec7u l\u1edbn g\u1ed3m d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n, sau \u0111\u00f3 l\u00e0 tinh ch\u1ec9nh c\u00f3 gi\u00e1m s\u00e1t tr\u00ean m\u1ed9t t\u1eadp d\u1eef li\u1ec7u nh\u1ecf h\u01a1n g\u1ed3m d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n. Qu\u00e1 tr\u00ecnh n\u00e0y cho ph\u00e9p m\u00f4 h\u00ecnh t\u00ecm hi\u1ec3u c\u00e1c t\u00ednh n\u0103ng h\u1eefu \u00edch t\u1eeb d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n, sau \u0111\u00f3 c\u00f3 th\u1ec3 tinh ch\u1ec9nh d\u1eef li\u1ec7u n\u00e0y cho ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u00e1c v\u1ee5 c\u1ee5 th\u1ec3 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n<\/h2>\n<p>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n bao g\u1ed3m:<\/p>\n<ul>\n<li>Thi\u1ebfu nh\u00e3n l\u1edbp r\u00f5 r\u00e0ng: Kh\u00f4ng gi\u1ed1ng nh\u01b0 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n, trong \u0111\u00f3 m\u1ed7i \u0111i\u1ec3m d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi m\u1ed9t danh m\u1ee5c c\u1ee5 th\u1ec3, d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n kh\u00f4ng c\u00f3 nh\u00e3n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc.<\/li>\n<li>S\u1ef1 phong ph\u00fa: D\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n th\u01b0\u1eddng c\u00f3 s\u1eb5n v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u00ec n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu th\u1eadp t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n n\u1ed7 l\u1ef1c ch\u00fa th\u00edch t\u1ed1n k\u00e9m.<\/li>\n<li>T\u00ednh \u0111a d\u1ea1ng: D\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n c\u00f3 th\u1ec3 th\u1ec3 hi\u1ec7n nhi\u1ec1u bi\u1ebfn th\u1ec3 v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p kh\u00e1c nhau, ph\u1ea3n \u00e1nh c\u00e1c t\u00ecnh hu\u1ed1ng trong th\u1ebf gi\u1edbi th\u1ef1c c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c ghi l\u1ea1i trong c\u00e1c b\u1ed9 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n.<\/li>\n<li>Nhi\u1ec5u: V\u00ec d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu th\u1eadp t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau n\u00ean n\u00f3 c\u00f3 th\u1ec3 ch\u1ee9a nhi\u1ec5u v\u00e0 kh\u00f4ng nh\u1ea5t qu\u00e1n, \u0111\u00f2i h\u1ecfi ph\u1ea3i x\u1eed l\u00fd tr\u01b0\u1edbc c\u1ea9n th\u1eadn tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng trong c\u00e1c m\u00f4 h\u00ecnh h\u1ecdc m\u00e1y.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n<\/h2>\n<p>C\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n, m\u1ed7i lo\u1ea1i ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau trong h\u1ecdc m\u00e1y:<\/p>\n<ol>\n<li>\n<p>D\u1eef li\u1ec7u th\u00f4 ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n: D\u1eef li\u1ec7u n\u00e0y bao g\u1ed3m d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u01b0\u1ee3c thu th\u1eadp tr\u1ef1c ti\u1ebfp t\u1eeb c\u00e1c ngu\u1ed3n nh\u01b0 thu th\u1eadp th\u00f4ng tin tr\u00ean web, d\u1eef li\u1ec7u c\u1ea3m bi\u1ebfn ho\u1eb7c t\u01b0\u01a1ng t\u00e1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n<li>\n<p>D\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u01b0\u1edbc: Lo\u1ea1i d\u1eef li\u1ec7u n\u00e0y \u0111\u00e3 tr\u1ea3i qua m\u1ed9t s\u1ed1 m\u1ee9c \u0111\u1ed9 l\u00e0m s\u1ea1ch v\u00e0 chuy\u1ec3n \u0111\u1ed5i, khi\u1ebfn n\u00f3 ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c t\u00e1c v\u1ee5 h\u1ecdc m\u00e1y.<\/p>\n<\/li>\n<li>\n<p>D\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n t\u1ed5ng h\u1ee3p: D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u1ea1o ho\u1eb7c t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c t\u1ea1o m\u1ed9t c\u00e1ch gi\u1ea3 t\u1ea1o \u0111\u1ec3 b\u1ed5 sung cho t\u1eadp d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n hi\u1ec7n c\u00f3 v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng kh\u00e1i qu\u00e1t h\u00f3a m\u00f4 h\u00ecnh.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng d\u1eef li\u1ec7u, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n<\/h2>\n<p>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n:<\/p>\n<ol>\n<li>\n<p>H\u1ecdc kh\u00f4ng gi\u00e1m s\u00e1t: D\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c m\u1eabu v\u00e0 c\u1ea5u tr\u00fac b\u00ean trong d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 nh\u00e3n n\u00e0o \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc.<\/p>\n<\/li>\n<li>\n<p>\u0110\u00e0o t\u1ea1o tr\u01b0\u1edbc cho H\u1ecdc chuy\u1ec3n giao: D\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e0o t\u1ea1o tr\u01b0\u1edbc c\u00e1c m\u00f4 h\u00ecnh tr\u00ean c\u00e1c t\u1eadp d\u1eef li\u1ec7u l\u1edbn tr\u01b0\u1edbc khi tinh ch\u1ec9nh ch\u00fang cho c\u00e1c t\u00e1c v\u1ee5 c\u1ee5 th\u1ec3 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c t\u1eadp d\u1eef li\u1ec7u c\u00f3 nh\u00e3n nh\u1ecf h\u01a1n.<\/p>\n<\/li>\n<li>\n<p>T\u0103ng c\u01b0\u1eddng d\u1eef li\u1ec7u: D\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o c\u00e1c v\u00ed d\u1ee5 t\u1ed5ng h\u1ee3p, t\u0103ng c\u01b0\u1eddng t\u1eadp d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n v\u00e0 n\u00e2ng cao \u0111\u1ed9 ch\u1eafc ch\u1eafn c\u1ee7a m\u00f4 h\u00ecnh.<\/p>\n<\/li>\n<\/ol>\n<p>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n:<\/p>\n<ol>\n<li>\n<p>Kh\u00f4ng c\u00f3 s\u1ef1 th\u1eadt c\u01a1 b\u1ea3n: Vi\u1ec7c kh\u00f4ng c\u00f3 s\u1ef1 th\u1eadt c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c d\u00e1n nh\u00e3n khi\u1ebfn vi\u1ec7c \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t m\u00f4 h\u00ecnh m\u1ed9t c\u00e1ch kh\u00e1ch quan tr\u1edf n\u00ean kh\u00f3 kh\u0103n. V\u1ea5n \u0111\u1ec1 n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c s\u1ed1 li\u1ec7u ph\u00e2n c\u1ee5m ho\u1eb7c t\u1eadn d\u1ee5ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n n\u1ebfu c\u00f3.<\/p>\n<\/li>\n<li>\n<p>Ch\u1ea5t l\u01b0\u1ee3ng d\u1eef li\u1ec7u: D\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n c\u00f3 th\u1ec3 ch\u1ee9a nhi\u1ec5u, gi\u00e1 tr\u1ecb ngo\u1ea1i l\u1ec7 ho\u1eb7c gi\u00e1 tr\u1ecb b\u1ecb thi\u1ebfu, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a m\u00f4 h\u00ecnh. K\u1ef9 thu\u1eadt x\u1eed l\u00fd tr\u01b0\u1edbc d\u1eef li\u1ec7u c\u1ea9n th\u1eadn v\u00e0 ph\u00e1t hi\u1ec7n ngo\u1ea1i l\u1ec7 c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n<li>\n<p>Trang b\u1ecb qu\u00e1 m\u1ee9c: C\u00e1c m\u00f4 h\u00ecnh hu\u1ea5n luy\u1ec7n tr\u00ean m\u1ed9t l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng trang b\u1ecb qu\u00e1 m\u1ee9c. C\u00e1c k\u1ef9 thu\u1eadt ch\u00ednh quy h\u00f3a v\u00e0 ki\u1ebfn tr\u00fac \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u00f3 th\u1ec3 gi\u00fap ng\u0103n ch\u1eb7n v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 nh\u1eefng so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<table>\n<thead>\n<tr>\n<th>Thu\u1eadt ng\u1eef<\/th>\n<th>\u0110\u1eb7c tr\u01b0ng<\/th>\n<th>S\u1ef1 kh\u00e1c bi\u1ec7t so v\u1edbi d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n<\/td>\n<td>M\u1ed7i \u0111i\u1ec3m d\u1eef li\u1ec7u c\u00f3 nh\u00e3n l\u1edbp r\u00f5 r\u00e0ng.<\/td>\n<td>D\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n thi\u1ebfu c\u00e1c b\u00e0i t\u1eadp ph\u00e2n lo\u1ea1i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc.<\/td>\n<\/tr>\n<tr>\n<td>H\u1ecdc b\u00e1n gi\u00e1m s\u00e1t<\/td>\n<td>S\u1eed d\u1ee5ng c\u1ea3 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c d\u00e1n nh\u00e3n v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n.<\/td>\n<td>D\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n g\u00f3p ph\u1ea7n v\u00e0o c\u00e1c m\u00f4 h\u00ecnh h\u1ecdc t\u1eadp.<\/td>\n<\/tr>\n<tr>\n<td>H\u1ecdc t\u1eadp c\u00f3 gi\u00e1m s\u00e1t<\/td>\n<td>Ch\u1ec9 d\u1ef1a v\u00e0o d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c d\u00e1n nh\u00e3n.<\/td>\n<td>Kh\u00f4ng s\u1eed d\u1ee5ng d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n \u0111\u1ec3 \u0111\u00e0o t\u1ea1o.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n<\/h2>\n<p>T\u01b0\u01a1ng lai c\u1ee7a d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n trong h\u1ecdc m\u00e1y r\u1ea5t h\u1ee9a h\u1eb9n. Khi l\u01b0\u1ee3ng d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n ti\u1ebfp t\u1ee5c t\u0103ng theo c\u1ea5p s\u1ed1 nh\u00e2n, c\u00e1c thu\u1eadt to\u00e1n h\u1ecdc kh\u00f4ng gi\u00e1m s\u00e1t ti\u00ean ti\u1ebfn h\u01a1n v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt b\u00e1n gi\u00e1m s\u00e1t c\u00f3 th\u1ec3 s\u1ebd xu\u1ea5t hi\u1ec7n. Ngo\u00e0i ra, v\u1edbi ti\u1ebfn b\u1ed9 li\u00ean t\u1ee5c trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng d\u1eef li\u1ec7u v\u00e0 t\u1ea1o d\u1eef li\u1ec7u t\u1ed5ng h\u1ee3p, c\u00e1c m\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o tr\u00ean d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n c\u00f3 th\u1ec3 th\u1ec3 hi\u1ec7n t\u00ednh kh\u00e1i qu\u00e1t v\u00e0 \u0111\u1ed9 tin c\u1eady cao h\u01a1n.<\/p>\n<p>H\u01a1n n\u1eefa, s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n v\u1edbi h\u1ecdc t\u1eadp t\u0103ng c\u01b0\u1eddng v\u00e0 c\u00e1c m\u00f4 h\u00ecnh h\u1ecdc t\u1eadp kh\u00e1c c\u00f3 ti\u1ec1m n\u0103ng l\u1edbn \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p trong th\u1ebf gi\u1edbi th\u1ef1c. Khi nghi\u00ean c\u1ee9u tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o ti\u1ebfn tri\u1ec3n, vai tr\u00f2 c\u1ee7a d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n s\u1ebd v\u1eabn l\u00e0 c\u00f4ng c\u1ee5 gi\u00fap v\u01b0\u1ee3t qua ranh gi\u1edbi c\u1ee7a kh\u1ea3 n\u0103ng h\u1ecdc m\u00e1y.<\/p>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n. H\u1ecd \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 internet, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp n\u1ed9i dung web m\u1ed9t c\u00e1ch \u1ea9n danh v\u00e0 b\u1ecf qua c\u00e1c h\u1ea1n ch\u1ebf v\u1ec1 n\u1ed9i dung. Trong b\u1ed1i c\u1ea3nh d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u00e9t c\u00e1c trang web, thu th\u1eadp t\u01b0\u01a1ng t\u00e1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 thu th\u1eadp c\u00e1c d\u1ea1ng d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c ch\u00fa th\u00edch kh\u00e1c.<\/p>\n<p>C\u00e1c nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy nh\u01b0 OneProxy (oneproxy.pro) cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0o m\u1ed9t l\u01b0\u1ee3ng l\u1edbn \u0111\u1ecba ch\u1ec9 IP, \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111a d\u1ea1ng trong vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u trong khi v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c t\u00ednh \u1ea9n danh. Vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c m\u00e1y ch\u1ee7 proxy v\u1edbi c\u00e1c quy tr\u00ecnh thu th\u1eadp d\u1eef li\u1ec7u cho ph\u00e9p nh\u1eefng ng\u01b0\u1eddi th\u1ef1c h\u00e0nh h\u1ecdc m\u00e1y t\u00edch l\u0169y c\u00e1c b\u1ed9 d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n r\u1ed9ng r\u00e3i cho m\u1ee5c \u0111\u00edch \u0111\u00e0o t\u1ea1o v\u00e0 nghi\u00ean c\u1ee9u.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 D\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n, vui l\u00f2ng tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li><a href=\"https:\/\/www.example.com\/unlabeled-data-guide\" target=\"_new\" rel=\"noopener nofollow\">D\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n trong Machine Learning: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/www.example.com\/unsupervised-learning\" target=\"_new\" rel=\"noopener nofollow\">H\u1ecdc t\u1eadp kh\u00f4ng gi\u00e1m s\u00e1t: T\u1ed5ng quan<\/a><\/li>\n<li><a href=\"https:\/\/www.example.com\/semi-supervised-learning\" target=\"_new\" rel=\"noopener nofollow\">Gi\u1ea3i th\u00edch v\u1ec1 h\u1ecdc t\u1eadp b\u00e1n gi\u00e1m s\u00e1t<\/a><\/li>\n<\/ol>\n<p>B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng d\u1eef li\u1ec7u ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n, h\u1ecdc m\u00e1y ti\u1ebfp t\u1ee5c \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng b\u01b0\u1edbc ti\u1ebfn \u0111\u00e1ng k\u1ec3 v\u00e0 t\u01b0\u01a1ng lai h\u1ee9a h\u1eb9n nh\u1eefng b\u01b0\u1edbc ph\u00e1t tri\u1ec3n th\u00fa v\u1ecb h\u01a1n n\u1eefa trong l\u0129nh v\u1ef1c n\u00e0y. Khi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u00e0 h\u1ecdc vi\u00ean nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n v\u1ec1 ti\u1ec1m n\u0103ng c\u1ee7a d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n, ch\u1eafc ch\u1eafn n\u00f3 s\u1ebd v\u1eabn l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o ti\u00ean ti\u1ebfn.<\/p>","protected":false},"featured_media":479451,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479450","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Unlabeled Data: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is unlabeled data?","answer":"<p>Unlabeled data refers to data that lacks explicit annotations or class labels, making it different from labeled data, where each data point is assigned a specific category. It plays a crucial role in unsupervised learning algorithms, enabling the system to discover patterns and structures within the data without any pre-existing labels to guide it.<\/p>"},{"question":"How did the concept of using unlabeled data originate?","answer":"<p>The concept of using unlabeled data in machine learning dates back to the early days of artificial intelligence research. It gained significant attention in the 1990s with the rise of unsupervised learning algorithms. One of the earliest mentions was in the context of clustering algorithms, where data points are grouped based on similarities without predefined categories.<\/p>"},{"question":"What is the importance of unlabeled data in machine learning?","answer":"<p>Unlabeled data is essential in various machine learning tasks, including unsupervised learning, semi-supervised learning, and transfer learning. It helps in discovering patterns, creating meaningful representations, and improving model generalization, leading to breakthroughs in natural language processing, computer vision, and more.<\/p>"},{"question":"How does unlabeled data work?","answer":"<p>Unlabeled data consists of raw data samples without explicit labels. Machine learning algorithms leverage the inherent patterns and structures in this data to learn meaningful representations or cluster similar data points. Unlabeled data is often combined with labeled data during training to enhance model performance.<\/p>"},{"question":"What are the key features of unlabeled data?","answer":"<p>The key features of unlabeled data include its lack of explicit class labels, abundance in quantity, diversity in representing variations, and the possibility of containing noise and inconsistencies.<\/p>"},{"question":"What types of unlabeled data exist?","answer":"<p>There are three main types of unlabeled datraw unlabeled data, preprocessed unlabeled data, and synthetic unlabeled data. Raw data is unprocessed, preprocessed data undergoes cleaning and transformation, and synthetic data is artificially generated.<\/p>"},{"question":"How is unlabeled data used in machine learning?","answer":"<p>Unlabeled data is used in various ways, including unsupervised learning, pretraining for transfer learning, and data augmentation to create synthetic examples and enhance model robustness.<\/p>"},{"question":"What are the challenges related to using unlabeled data?","answer":"<p>The challenges include the absence of labeled ground truth for objective evaluation, data quality issues, and the risk of overfitting. These challenges can be addressed through proper evaluation metrics, data preprocessing, and regularization techniques.<\/p>"},{"question":"How does the future of unlabeled data look like in AI?","answer":"<p>The future of unlabeled data in machine learning is promising. As data continues to grow, advanced unsupervised learning algorithms and new learning paradigms are likely to emerge, leading to even more powerful AI models.<\/p>"},{"question":"How are proxy servers associated with unlabeled data?","answer":"<p>Proxy servers play a significant role in collecting unlabeled data by enabling anonymous web access and content scraping. They aid in data collection diversity and are often integrated with data pipelines for efficient data gathering.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479450\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/479451"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=479450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}