{"id":296,"date":"2018-05-02T14:42:04","date_gmt":"2018-05-02T12:42:04","guid":{"rendered":"https:\/\/iaaa.lis-lab.fr\/?p=296"},"modified":"2018-05-03T16:39:32","modified_gmt":"2018-05-03T14:39:32","slug":"etiquetage-de-sequence-avec-des-crfs","status":"publish","type":"post","link":"https:\/\/iaaa.lis-lab.fr\/?p=296","title":{"rendered":"D\u00e9mo IAAA : \u00c9tiquetage de s\u00e9quence avec des CRFs"},"content":{"rendered":"<p style=\"text-align: center;\">Une d\u00e9mo par l&rsquo;\u00e9quipe du parcours IAAA.<\/p>\n<p>Les CRFs (Conditional Random Fields) sont des mod\u00e8les statistiques permettant de traiter des donn\u00e9es structur\u00e9es et en particulier des s\u00e9quences. Cette d\u00e9monstration montre comme utiliser un mod\u00e8le de ce type pour r\u00e9aliser l&rsquo;\u00e9tiquetage dit POS (Part Of Speech) d&rsquo;une phrase. Le &lsquo;\u00e9tiquetage en POS (ou POS tagging) consiste affecter une \u00e9tiquette \u00e0 chaque mot en fonction de son role dans la phrase\u00a0 \u00a0(adverbe, nom, sujet, verbe etc). C&rsquo;est un probl\u00e8me\u00a0 important en Traitement Automatique des Langues et qui constitue une \u00e9tape pr\u00e9liminaire avant des traitements\u00a0 de plus haut niveau sur la phrase.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n\n<!-- iframe plugin v.6.0 wordpress.org\/plugins\/iframe\/ -->\n<iframe loading=\"lazy\" src=\"https:\/\/pageperso.lis-lab.fr\/benoit.favre\/jsviterbi\/index.html\" width=\"100%\" height=\"600\" scrolling=\"yes\" class=\"iframe-class\" frameborder=\"0\"><\/iframe>\n\n","protected":false},"excerpt":{"rendered":"<p>Une d\u00e9mo par l&rsquo;\u00e9quipe du parcours IAAA. Les CRFs (Conditional Random Fields) sont des mod\u00e8les statistiques permettant de traiter des donn\u00e9es structur\u00e9es et en particulier des s\u00e9quences. Cette d\u00e9monstration montre comme utiliser un mod\u00e8le de ce type pour r\u00e9aliser l&rsquo;\u00e9tiquetage dit POS (Part Of Speech) d&rsquo;une phrase. Le &lsquo;\u00e9tiquetage en POS (ou POS tagging) consiste&hellip;<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-296","post","type-post","status-publish","format-standard","hentry","category-demos"],"_links":{"self":[{"href":"https:\/\/iaaa.lis-lab.fr\/index.php?rest_route=\/wp\/v2\/posts\/296","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/iaaa.lis-lab.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/iaaa.lis-lab.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/iaaa.lis-lab.fr\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/iaaa.lis-lab.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=296"}],"version-history":[{"count":3,"href":"https:\/\/iaaa.lis-lab.fr\/index.php?rest_route=\/wp\/v2\/posts\/296\/revisions"}],"predecessor-version":[{"id":353,"href":"https:\/\/iaaa.lis-lab.fr\/index.php?rest_route=\/wp\/v2\/posts\/296\/revisions\/353"}],"wp:attachment":[{"href":"https:\/\/iaaa.lis-lab.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/iaaa.lis-lab.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=296"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/iaaa.lis-lab.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}