{"id":1377,"date":"2016-01-13T12:09:48","date_gmt":"2015-11-13T02:53:27","guid":{"rendered":"http:\/\/www.clc.hcmus.edu.vn\/?page_id=1377"},"modified":"2019-03-12T19:17:37","modified_gmt":"2019-03-12T12:17:37","slug":"phan-tich-y-kien-nguoi-dung","status":"publish","type":"page","link":"https:\/\/www.clc.hcmus.edu.vn\/?page_id=1377","title":{"rendered":"Ph\u00e2n t\u00edch \u00fd ki\u1ebfn ng\u01b0\u1eddi d\u00f9ng"},"content":{"rendered":"<p style=\"text-align: justify;\"><strong>1. Gi\u1edbi thi\u1ec7u<\/strong><br \/>\nTrong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, v\u1edbi s\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng x\u00e3 h\u1ed9i, c\u00f3 m\u1ed9t nhu c\u1ea7u r\u1ea5t l\u1edbn t\u1eeb c\u00e1c th\u01b0\u01a1ng hi\u1ec7u v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u1ec1 vi\u1ec7c ph\u00e2n t\u00edch \u00fd ki\u1ebfn \u200b\u200bc\u1ee7a kh\u00e1ch h\u00e0ng v\u1ec1 s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 h\u1ecd c\u00f3 th\u1ec3 bi\u1ebft ng\u01b0\u1eddi ti\u00eau d\u00f9ng c\u1ea3m nh\u1eadn s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd c\u0169ng nh\u01b0 nh\u1eefng \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh c\u1ee7a h\u1ecd nh\u01b0 th\u1ebf n\u00e0o. Th\u00f4ng tin n\u00e0y kh\u00f4ng ch\u1ec9 h\u1eefu \u00edch cho vi\u1ec7c ti\u1ebfp th\u1ecb v\u00e0 \u0111\u00e1nh gi\u00e1 \/ x\u1ebfp h\u1ea1ng s\u1ea3n ph\u1ea9m m\u00e0 c\u0169ng h\u1eefu \u00edch cho vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m [Liu, 2008].<\/p>\n<p style=\"text-align: justify;\">Tr\u00edch xu\u1ea5t \u00fd ki\u1ebfn \u200b\u200bho\u1eb7c t\u00e2m l\u00fd t\u1eeb v\u0103n b\u1ea3n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 ph\u00e2n t\u00edch t\u00e2m l\u00fd ho\u1eb7c khai th\u00e1c \u00fd ki\u1ebfn. \u0110\u00e2y l\u00e0 b\u00e0i to\u00e1n c\u00f3 \u0111\u1ea7u v\u00e0o l\u00e0 c\u00e1c v\u0103n b\u1ea3n th\u00f4 v\u1ec1 c\u00e1c th\u01b0\u01a1ng hi\u1ec7u hay s\u1ea3n ph\u1ea9m v\u00e0 \u0111\u01b0a ra nh\u1eefng th\u00f4ng tin t\u00e2m l\u00fd, trong \u0111\u00f3 tr\u00ecnh b\u00e0y c\u00e1c \u00fd ki\u1ebfn \u200b\u200bc\u1ee7a t\u00e1c gi\u1ea3, c\u00e1c b\u00ecnh lu\u1eadn, \u0111\u00e1nh gi\u00e1 v\u1ec1 m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u, s\u1ea3n ph\u1ea9m c\u1ee5 th\u1ec3, ho\u1eb7c v\u1ec1 c\u00e1c t\u00ednh n\u0103ng \/ thu\u1ed9c t\u00ednh c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u00f3. Th\u00f4ng th\u01b0\u1eddng, ta c\u1ea7n ph\u1ea3i x\u00e1c \u0111\u1ecbnh xem th\u00f4ng tin t\u00e2m l\u00fd \u0111\u00f3 l\u00e0 t\u00edch c\u1ef1c, ti\u00eau c\u1ef1c hay trung t\u00ednh.<\/p>\n<p style=\"text-align: justify;\">Trong khi c\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 l\u0129nh v\u1ef1c n\u00e0y trong ti\u1ebfng Anh \u0111\u00e3 v\u00e0 \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd, c\u00f3 r\u1ea5t \u00edt nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho ti\u1ebfng Vi\u1ec7t. \u0110i\u1ec1u n\u00e0y \u0111\u00e3 th\u00fac \u0111\u1ea9y ch\u00fang t\u00f4i x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n t\u00edch t\u00e2m l\u00fd \u0111\u1ed1i v\u1edbi c\u00e1c v\u0103n b\u1ea3n ti\u1ebfng Vi\u1ec7t.<\/p>\n<p style=\"text-align: justify;\"><strong>2. Nghi\u00ean c\u1ee9u<\/strong><br \/>\nCh\u00fang t\u00f4i \u0111ang t\u1eadp trung v\u00e0o hai m\u1ee9c \u0111\u1ed9 ph\u00e2n t\u00edch t\u00e2m l\u00fd: (1) m\u1ee9c c\u00e2u, v\u00e0 (2) m\u1ee9c th\u1ef1c th\u1ec3 v\u00e0 kh\u00eda c\u1ea1nh. Nhi\u1ec7m v\u1ee5 ph\u00e2n t\u00edch \u1edf m\u1ee9c c\u00e2u l\u00e0 x\u00e1c \u0111\u1ecbnh xem m\u1ed7i c\u00e2u b\u00e0y t\u1ecf m\u1ed9t quan \u0111i\u1ec3m t\u00edch c\u1ef1c, ti\u00eau c\u1ef1c hay trung t\u00ednh. Tuy nhi\u00ean, c\u00e1c ph\u00e2n t\u00edch \u1edf m\u1ee9c c\u00e2u kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng t\u00ecm \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c nh\u1eefng g\u00ec m\u1ecdi ng\u01b0\u1eddi th\u1ef1c s\u1ef1 th\u00edch hay kh\u00f4ng th\u00edch, \u0111\u00f3 l\u00e0 \u0111\u1ed9ng l\u1ef1c cho nhi\u1ec7m v\u1ee5 ph\u00e2n t\u00edch t\u00e2m l\u00fd \u1edf m\u1ee9c th\u1ef1c th\u1ec3. Nhi\u1ec7m v\u1ee5 \u1edf m\u1ee9c n\u00e0y l\u00e0 x\u00e1c \u0111\u1ecbnh t\u00e2m l\u00fd c\u1ee7a m\u1ed9t quan \u0111i\u1ec3m x\u00e1c \u0111\u1ecbnh &#8211; m\u1ed9t th\u1ef1c th\u1ec3 ho\u1eb7c m\u1ed9t kh\u00eda c\u1ea1nh c\u1ee5 th\u1ec3 c\u1ee7a th\u1ef1c th\u1ec3 \u0111\u00f3, v\u00ed d\u1ee5 nh\u01b0 ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi hay th\u1eddi l\u01b0\u1ee3ng pin c\u1ee7a iPhone. Ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u00e0 ph\u00e2n t\u00edch ti\u1ebfp th\u1ecb c\u1ee7a m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng k\u1ebft qu\u1ea3 \u0111\u00f3 cho t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i ph\u00e2n t\u00edch \u0111\u1ecbnh t\u00ednh v\u00e0 \u0111\u1ecbnh l\u01b0\u1ee3ng.<\/p>\n<p style=\"text-align: justify;\">Tham kh\u1ea3o:<br \/>\n[1] Bing Liu, Sentiment Analysis and Opinion Mining. 2012<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Gi\u1edbi thi\u1ec7u Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, v\u1edbi s\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng x\u00e3 h\u1ed9i, [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":21,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www.clc.hcmus.edu.vn\/index.php?rest_route=\/wp\/v2\/pages\/1377"}],"collection":[{"href":"https:\/\/www.clc.hcmus.edu.vn\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.clc.hcmus.edu.vn\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.clc.hcmus.edu.vn\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.clc.hcmus.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1377"}],"version-history":[{"count":3,"href":"https:\/\/www.clc.hcmus.edu.vn\/index.php?rest_route=\/wp\/v2\/pages\/1377\/revisions"}],"predecessor-version":[{"id":1389,"href":"https:\/\/www.clc.hcmus.edu.vn\/index.php?rest_route=\/wp\/v2\/pages\/1377\/revisions\/1389"}],"up":[{"embeddable":true,"href":"https:\/\/www.clc.hcmus.edu.vn\/index.php?rest_route=\/wp\/v2\/pages\/21"}],"wp:attachment":[{"href":"https:\/\/www.clc.hcmus.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1377"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}