{"id":579685,"date":"2023-12-28T03:10:44","date_gmt":"2023-12-28T03:10:44","guid":{"rendered":"https:\/\/proxyelite.info\/glossary\/data-mining\/"},"modified":"2023-12-28T03:10:44","modified_gmt":"2023-12-28T03:10:44","slug":"data-mining","status":"publish","type":"glossary","link":"https:\/\/proxyelite.info\/vi\/glossary\/data-mining\/","title":{"rendered":"Khai th\u00e1c d\u1eef li\u1ec7u"},"content":{"rendered":"<p>Khai th\u00e1c d\u1eef li\u1ec7u l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c \u0111a di\u1ec7n, \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong th\u1ebf gi\u1edbi hi\u1ec7n \u0111\u1ea1i, tr\u00edch xu\u1ea5t ki\u1ebfn th\u1ee9c v\u00e0 hi\u1ec3u bi\u1ebft c\u00f3 gi\u00e1 tr\u1ecb t\u1eeb c\u00e1c b\u1ed9 d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3. B\u00e0i vi\u1ebft n\u00e0y \u0111i s\u00e2u v\u00e0o s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a Khai th\u00e1c d\u1eef li\u1ec7u, n\u00eau b\u1eadt c\u00e1c kh\u00eda c\u1ea1nh, \u1ee9ng d\u1ee5ng kh\u00e1c nhau c\u1ee7a n\u00f3 v\u00e0 s\u1ef1 ph\u1ed1i h\u1ee3p m\u00e0 n\u00f3 chia s\u1ebb v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 proxy.<\/p>\n<h2>Th\u00f4ng tin t\u00f3m t\u1eaft v\u1ec1 khai th\u00e1c d\u1eef li\u1ec7u<\/h2>\n<p>Khai th\u00e1c d\u1eef li\u1ec7u, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Kh\u00e1m ph\u00e1 ki\u1ebfn th\u1ee9c trong c\u01a1 s\u1edf d\u1eef li\u1ec7u (KDD), l\u00e0 qu\u00e1 tr\u00ecnh kh\u00e1m ph\u00e1 c\u00e1c m\u1eabu, xu h\u01b0\u1edbng v\u00e0 th\u00f4ng tin \u1ea9n t\u1eeb c\u00e1c t\u1eadp d\u1eef li\u1ec7u l\u1edbn. N\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt v\u00e0 thu\u1eadt to\u00e1n kh\u00e1c nhau \u0111\u1ec3 s\u00e0ng l\u1ecdc kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3 nh\u1eb1m kh\u00e1m ph\u00e1 ki\u1ebfn th\u1ee9c c\u00f3 gi\u00e1 tr\u1ecb, c\u00e1c m\u1ed1i quan h\u1ec7 ch\u01b0a t\u1eebng bi\u1ebft tr\u01b0\u1edbc \u0111\u00e2y v\u00e0 th\u00f4ng tin d\u1ef1 \u0111o\u00e1n.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 khai th\u00e1c d\u1eef li\u1ec7u<\/h2>\n<p>Khai th\u00e1c d\u1eef li\u1ec7u bao g\u1ed3m m\u1ed9t lo\u1ea1t c\u00e1c k\u1ef9 thu\u1eadt, bao g\u1ed3m:<\/p>\n<h3>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a khai th\u00e1c d\u1eef li\u1ec7u<\/h3>\n<ol>\n<li>\n<p><strong>Chu\u1ea9n b\u1ecb d\u1eef li\u1ec7u<\/strong>: L\u00e0m s\u1ea1ch, chuy\u1ec3n \u0111\u1ed5i v\u00e0 ti\u1ec1n x\u1eed l\u00fd d\u1eef li\u1ec7u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ednh ph\u00f9 h\u1ee3p cho vi\u1ec7c ph\u00e2n t\u00edch.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u00e1m ph\u00e1 m\u1eabu<\/strong>: X\u00e1c \u0111\u1ecbnh c\u00e1c m\u1eabu, m\u1ed1i t\u01b0\u01a1ng quan v\u00e0 m\u1ed1i li\u00ean h\u1ec7 \u0111\u1ecbnh k\u1ef3 trong d\u1eef li\u1ec7u.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e2n lo\u1ea1i<\/strong>: Ph\u00e2n lo\u1ea1i d\u1eef li\u1ec7u th\u00e0nh c\u00e1c l\u1edbp ho\u1eb7c nh\u00f3m \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc d\u1ef1a tr\u00ean c\u00e1c thu\u1ed9c t\u00ednh c\u1ee5 th\u1ec3.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e2n c\u1ee5m<\/strong>: Nh\u00f3m c\u00e1c \u0111i\u1ec3m d\u1eef li\u1ec7u t\u01b0\u01a1ng t\u1ef1 l\u1ea1i v\u1edbi nhau d\u1ef1a tr\u00ean \u0111\u1eb7c \u0111i\u1ec3m v\u1ed1n c\u00f3 c\u1ee7a ch\u00fang.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e2n t\u00edch h\u1ed3i quy<\/strong>: D\u1ef1 \u0111o\u00e1n c\u00e1c gi\u00e1 tr\u1ecb s\u1ed1 d\u1ef1a tr\u00ean d\u1eef li\u1ec7u v\u00e0 m\u1eabu l\u1ecbch s\u1eed.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e1t hi\u1ec7n b\u1ea5t th\u01b0\u1eddng<\/strong>: X\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m d\u1eef li\u1ec7u b\u1ea5t th\u01b0\u1eddng v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng gian l\u1eadn.<\/p>\n<\/li>\n<\/ol>\n<h3>C\u00e1c lo\u1ea1i khai th\u00e1c d\u1eef li\u1ec7u<\/h3>\n<p>Khai th\u00e1c d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh nhi\u1ec1u lo\u1ea1i:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>H\u1ecdc t\u1eadp c\u00f3 gi\u00e1m s\u00e1t<\/strong><\/td>\n<td>Hu\u1ea5n luy\u1ec7n m\u1ed9t m\u00f4 h\u00ecnh tr\u00ean d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c d\u00e1n nh\u00e3n \u0111\u1ec3 \u0111\u01b0a ra d\u1ef1 \u0111o\u00e1n.<\/td>\n<\/tr>\n<tr>\n<td><strong>H\u1ecdc kh\u00f4ng gi\u00e1m s\u00e1t<\/strong><\/td>\n<td>Kh\u00e1m ph\u00e1 c\u00e1c m\u1eabu trong d\u1eef li\u1ec7u kh\u00f4ng c\u00f3 nh\u00e3n.<\/td>\n<\/tr>\n<tr>\n<td><strong>H\u1ecdc b\u00e1n gi\u00e1m s\u00e1t<\/strong><\/td>\n<td>K\u1ebft h\u1ee3p d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c d\u00e1n nh\u00e3n v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n \u0111\u1ec3 ph\u00e2n t\u00edch.<\/td>\n<\/tr>\n<tr>\n<td><strong>Khai th\u00e1c quy t\u1eafc hi\u1ec7p h\u1ed9i<\/strong><\/td>\n<td>X\u00e1c \u0111\u1ecbnh m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c bi\u1ebfn.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng khai th\u00e1c d\u1eef li\u1ec7u<\/h3>\n<p>Khai th\u00e1c d\u1eef li\u1ec7u t\u00ecm th\u1ea5y c\u00e1c \u1ee9ng d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Ti\u1ebfp th\u1ecb<\/strong>: Ph\u00e2n t\u00edch h\u00e0nh vi v\u00e0 s\u1edf th\u00edch c\u1ee7a kh\u00e1ch h\u00e0ng \u0111\u1ed1i v\u1edbi c\u00e1c chi\u1ebfn d\u1ecbch ti\u1ebfp th\u1ecb m\u1ee5c ti\u00eau.<\/li>\n<li><strong>T\u00e0i ch\u00ednh<\/strong>: Ph\u00e1t hi\u1ec7n c\u00e1c giao d\u1ecbch gian l\u1eadn v\u00e0 t\u1ed1i \u01b0u h\u00f3a chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ea7u t\u01b0.<\/li>\n<li><strong>Ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe<\/strong>: D\u1ef1 \u0111o\u00e1n s\u1ef1 b\u00f9ng ph\u00e1t d\u1ecbch b\u1ec7nh v\u00e0 c\u1ea3i thi\u1ec7n vi\u1ec7c ch\u0103m s\u00f3c b\u1ec7nh nh\u00e2n.<\/li>\n<li><strong>B\u00e1n l\u1ebb<\/strong>: \u0110\u1ec1 xu\u1ea5t s\u1ea3n ph\u1ea9m cho kh\u00e1ch h\u00e0ng d\u1ef1a tr\u00ean l\u1ecbch s\u1eed mua h\u00e0ng c\u1ee7a h\u1ecd.<\/li>\n<li><strong>Ch\u1ebf t\u1ea1o<\/strong>: T\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n<\/ul>\n<p>Tuy nhi\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng Khai th\u00e1c d\u1eef li\u1ec7u c\u0169ng \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c nh\u01b0 quy\u1ec1n ri\u00eang t\u01b0 d\u1eef li\u1ec7u v\u00e0 c\u00e1c m\u1ed1i lo ng\u1ea1i v\u1ec1 b\u1ea3o m\u1eadt. Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft v\u1edbi s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a m\u00e1y ch\u1ee7 proxy.<\/p>\n<h3>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh<\/h3>\n<p>\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 Khai th\u00e1c d\u1eef li\u1ec7u, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i ph\u00e2n bi\u1ec7t n\u00f3 v\u1edbi c\u00e1c thu\u1eadt ng\u1eef li\u00ean quan:<\/p>\n<table>\n<thead>\n<tr>\n<th>Thu\u1eadt ng\u1eef<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Kho d\u1eef li\u1ec7u<\/strong><\/td>\n<td>L\u01b0u tr\u1eef d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ec3 b\u00e1o c\u00e1o v\u00e0 ph\u00e2n t\u00edch.<\/td>\n<\/tr>\n<tr>\n<td><strong>H\u1ecdc m\u00e1y<\/strong><\/td>\n<td>C\u00e1c thu\u1eadt to\u00e1n cho ph\u00e9p h\u1ec7 th\u1ed1ng h\u1ecdc h\u1ecfi t\u1eeb d\u1eef li\u1ec7u.<\/td>\n<\/tr>\n<tr>\n<td><strong>D\u1eef li\u1ec7u l\u1edbn<\/strong><\/td>\n<td>Qu\u1ea3n l\u00fd v\u00e0 ph\u00e2n t\u00edch c\u00e1c t\u1eadp d\u1eef li\u1ec7u l\u1edbn.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai<\/h2>\n<p>T\u01b0\u01a1ng lai c\u1ee7a Khai th\u00e1c d\u1eef li\u1ec7u c\u00f3 nhi\u1ec1u h\u1ee9a h\u1eb9n v\u1edbi nh\u1eefng ti\u1ebfn b\u1ed9 v\u1ec1:<\/p>\n<ul>\n<li><strong>H\u1ecdc k\u0129 c\u00e0ng<\/strong>: S\u1eed d\u1ee5ng m\u1ea1ng l\u01b0\u1edbi th\u1ea7n kinh \u0111\u1ec3 nh\u1eadn d\u1ea1ng m\u1eabu ph\u1ee9c t\u1ea1p h\u01a1n.<\/li>\n<li><strong>Ph\u00e2n t\u00edch th\u1eddi gian th\u1ef1c<\/strong>: Th\u00f4ng tin chi ti\u1ebft t\u1ee9c th\u00ec \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh k\u1ecbp th\u1eddi.<\/li>\n<li><strong>Khai th\u00e1c d\u1eef li\u1ec7u \u0111\u1ea1o \u0111\u1ee9c<\/strong>: \u0110\u1ea3m b\u1ea3o s\u1eed d\u1ee5ng d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch c\u00f3 tr\u00e1ch nhi\u1ec7m v\u00e0 h\u1ee3p ph\u00e1p.<\/li>\n<\/ul>\n<h2>C\u00e1ch m\u00e1y ch\u1ee7 proxy \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi khai th\u00e1c d\u1eef li\u1ec7u<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 b\u1ea3o m\u1eadt trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng Khai th\u00e1c d\u1eef li\u1ec7u. \u0110\u00e2y l\u00e0 c\u00e1ch ch\u00fang \u0111\u01b0\u1ee3c li\u00ean k\u1ebft:<\/p>\n<ol>\n<li>\n<p><strong>Quy\u1ec1n ri\u00eang t\u01b0 d\u1eef li\u1ec7u<\/strong>: M\u00e1y ch\u1ee7 proxy \u1ea9n danh danh t\u00ednh v\u00e0 v\u1ecb tr\u00ed c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a c\u00e1 nh\u00e2n trong qu\u00e1 tr\u00ecnh thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u.<\/p>\n<\/li>\n<li>\n<p><strong>Xoay v\u00f2ng IP<\/strong>: M\u00e1y ch\u1ee7 proxy cung c\u1ea5p t\u00ednh n\u0103ng xoay v\u00f2ng IP, ng\u0103n c\u00e1c trang web ch\u1eb7n C\u00f4ng c\u1ee5 khai th\u00e1c d\u1eef li\u1ec7u b\u1eb1ng c\u00e1ch li\u00ean t\u1ee5c truy c\u1eadp v\u00e0o m\u00e1y ch\u1ee7 c\u1ee7a h\u1ecd t\u1eeb c\u00f9ng m\u1ed9t \u0111\u1ecba ch\u1ec9 IP.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110a d\u1ea1ng v\u1ec1 \u0111\u1ecba l\u00fd<\/strong>: M\u00e1y ch\u1ee7 proxy cho ph\u00e9p Ng\u01b0\u1eddi khai th\u00e1c d\u1eef li\u1ec7u truy c\u1eadp d\u1eef li\u1ec7u theo khu v\u1ef1c c\u1ee5 th\u1ec3 b\u1eb1ng c\u00e1ch \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u th\u00f4ng qua c\u00e1c m\u00e1y ch\u1ee7 \u0111\u1eb7t t\u1ea1i c\u00e1c khu v\u1ef1c kh\u00e1c nhau.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e2n b\u1eb1ng t\u1ea3i<\/strong>: Ng\u01b0\u1eddi khai th\u00e1c d\u1eef li\u1ec7u c\u00f3 th\u1ec3 ph\u00e2n ph\u1ed1i y\u00eau c\u1ea7u c\u1ee7a h\u1ecd tr\u00ean nhi\u1ec1u m\u00e1y ch\u1ee7 proxy, \u0111\u1ea3m b\u1ea3o vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 v\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong>: M\u00e1y ch\u1ee7 proxy cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c ho\u1ea1t \u0111\u1ed9ng Khai th\u00e1c d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<\/li>\n<\/ol>\n<p>T\u00f3m l\u1ea1i, Khai th\u00e1c d\u1eef li\u1ec7u l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 tr\u00edch xu\u1ea5t th\u00f4ng tin chuy\u00ean s\u00e2u t\u1eeb d\u1eef li\u1ec7u v\u00e0 m\u00e1y ch\u1ee7 proxy l\u00e0 c\u00f4ng c\u1ee5 \u0111\u1ea3m b\u1ea3o vi\u1ec7c s\u1eed d\u1ee5ng n\u00f3 m\u1ed9t c\u00e1ch c\u00f3 \u0111\u1ea1o \u0111\u1ee9c v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 Khai th\u00e1c d\u1eef li\u1ec7u, h\u00e3y xem x\u00e9t kh\u00e1m ph\u00e1 c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ul>\n<li><a target=\"_new\" rel=\"noopener\">Wikipedia \u2013 Khai th\u00e1c d\u1eef li\u1ec7u<\/a><\/li>\n<li><a target=\"_new\" rel=\"noopener\">IEEE Xplore \u2013 Khai th\u00e1c d\u1eef li\u1ec7u<\/a><\/li>\n<li><a target=\"_new\" href=\"https:\/\/www.kdnuggets.com\/\" rel=\"noopener\">KDnuggets \u2013 Khai th\u00e1c d\u1eef li\u1ec7u v\u00e0 T\u00e0i nguy\u00ean khoa h\u1ecdc d\u1eef li\u1ec7u<\/a><\/li>\n<\/ul>","protected":false},"featured_media":579686,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-579685","glossary","type-glossary","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/glossary\/579685","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":0,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/glossary\/579685\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media\/579686"}],"wp:attachment":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media?parent=579685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}