{"id":201840,"date":"2023-09-15T07:30:00","date_gmt":"2023-09-15T07:30:00","guid":{"rendered":"https:\/\/datascientest.com\/?p=201840"},"modified":"2023-11-09T13:43:12","modified_gmt":"2023-11-09T13:43:12","slug":"analyse-semantique-tout-savoir","status":"publish","type":"post","link":"https:\/\/datascientest.com\/analyse-semantique-tout-savoir","title":{"rendered":"Analyse s\u00e9mantique : D\u00e9finition et cas d&rsquo;usages de ce concept"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"201840\" class=\"elementor elementor-201840\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0f5c140 e-flex e-con-boxed e-con\" data-id=\"0f5c140\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-04512fa elementor-widget elementor-widget-heading\" data-id=\"04512fa\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">Si les outils d\u2019Intelligence artificielle sont de plus en plus performants dans le traitement du langage naturel, c\u2019est notamment gr\u00e2ce \u00e0 une utilisation plus fine de l\u2019analyse s\u00e9mantique. Dans cet article, nous allons justement voir de quoi il s\u2019agit et son int\u00e9r\u00eat pour les organisations.<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-73ec7fb e-flex e-con-boxed e-con\" data-id=\"73ec7fb\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a193ae2 elementor-widget elementor-widget-heading\" data-id=\"a193ae2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Qu\u2019est-ce que l\u2019analyse s\u00e9mantique ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1742a3a elementor-widget elementor-widget-heading\" data-id=\"1742a3a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">D\u00e9finition de l\u2019analyse s\u00e9mantique<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-193ca3b elementor-widget elementor-widget-text-editor\" data-id=\"193ca3b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p><span style=\"font-weight: 400;\">La s\u00e9mantique renvoie \u00e0 <\/span><b>l\u2019\u00e9tude des mots dans leur contexte.<\/b><span style=\"font-weight: 400;\"> En effet, un mot peut avoir plusieurs significations. Pour comprendre son sens r\u00e9el au sein d\u2019une phrase, il convient d\u2019\u00e9tudier l\u2019ensemble des mots qui l\u2019entoure. C\u2019est le contexte.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Cela permet ainsi de mieux comprendre des mots, des expressions, des phrases, ou m\u00eame des textes longs (1000, 2000, 5000 mots&#8230;).\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">En plus de donner du sens aux donn\u00e9es textuelles, les outils d\u2019analyse s\u00e9mantique peuvent \u00e9galement<\/span><b> interpr\u00e9ter le ton, le ressenti, l\u2019\u00e9motion, la tournure de phrase, <\/b><span style=\"font-weight: 400;\">etc. Cette analyse permettra alors de savoir si le texte a une connotation positive, n\u00e9gative ou neutre.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Renvoy\u00e9e \u00e0 l\u2019univers de la data, l\u2019analyse s\u00e9mantique a pour objectif d\u2019aider les machines \u00e0 comprendre le sens r\u00e9el d\u2019une suite de mots en fonction du contexte. Les algorithmes de <a href=\"https:\/\/datascientest.com\/apprentissage-automatique\">Machine Learning<\/a> <\/span><span style=\"font-weight: 400;\">et les technologies de NLP (<a href=\"https:\/\/datascientest.com\/introduction-au-nlp-natural-language-processing\">Natural Language Processing<\/a>) \u00e9tudient alors des donn\u00e9es textuelles pour mieux comprendre le langage humain. L\u2019analyse s\u00e9mantique permet ainsi d<\/span><b>\u2019affiner le traitement du langage naturel.<\/b><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a2655a1 elementor-widget elementor-widget-heading\" data-id=\"a2655a1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Exemple d\u2019analyses s\u00e9mantiques<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b9599e elementor-widget elementor-widget-text-editor\" data-id=\"8b9599e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Pour vous aider \u00e0 mieux comprendre l\u2019analyse s\u00e9mantique, voici deux exemples :\u00a0<\/span><\/p><p><b>Exemple 1 :\u00a0<\/b><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Je mange une glace \u00e0 la fraise.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Je regarde mon reflet dans la glace fix\u00e9e \u00e0 mon armoire.\u00a0<\/span><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b9812c elementor-widget elementor-widget-text-editor\" data-id=\"4b9812c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Le mot \u00ab\u00a0glace\u00a0\u00bb peut renvoyer \u00e0 plusieurs significations : un aliment ou un miroir. Pour d\u00e9terminer son sens r\u00e9el dans chaque phrase, il convient donc d\u2019analyser les autres composants de la phrase. C\u2019est d\u2019autant plus important dans la langue fran\u00e7aise (et dans les langues europ\u00e9ennes de mani\u00e8re g\u00e9n\u00e9rale), puisque de nombreux mots sont particuli\u00e8rement ambigus. Pour ces derniers, seul le contexte permet d\u2019en comprendre le sens.\u00a0<\/span><\/p><p><b>Exemple 2 :\u00a0<\/b><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Et si on mangeait les enfants !<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Et si on mangeait, les enfants !<\/span><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b87e6e elementor-widget elementor-widget-text-editor\" data-id=\"8b87e6e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Au-del\u00e0 des mots polys\u00e9miques, la ponctuation joue \u00e9galement un grand r\u00f4le dans l\u2019analyse s\u00e9mantique.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Dans cet exemple, le sens de la phrase est tr\u00e8s facile \u00e0 comprendre \u00e0 l\u2019oral gr\u00e2ce \u00e0 l\u2019intonation de la voix. Mais \u00e0 la lecture, les machines peuvent mal interpr\u00e9ter le sens d\u2019une phrase \u00e0 cause d\u2019une virgule ou d\u2019un point mal plac\u00e9.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1464242 elementor-widget elementor-widget-image\" data-id=\"1464242\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1080\" height=\"550\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/Outils-danalyse-semantique-1080x550-1.jpg\" class=\"attachment-full size-full wp-image-201875\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/Outils-danalyse-semantique-1080x550-1.jpg 1080w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/Outils-danalyse-semantique-1080x550-1-300x153.jpg 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/Outils-danalyse-semantique-1080x550-1-1024x521.jpg 1024w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/Outils-danalyse-semantique-1080x550-1-768x391.jpg 768w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc1446c elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"fc1446c\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formation-machine-learning-engineer\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Ma\u00eetriser l'analyse s\u00e9mantique<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f895054 e-flex e-con-boxed e-con\" data-id=\"f895054\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-44af7d7 elementor-widget elementor-widget-heading\" data-id=\"44af7d7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Pourquoi utiliser l\u2019analyse s\u00e9mantique ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d7aff94 elementor-widget elementor-widget-heading\" data-id=\"d7aff94\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Le SEO<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0fa04d7 elementor-widget elementor-widget-text-editor\" data-id=\"0fa04d7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">L\u2019analyse s\u00e9mantique s\u2019applique tr\u00e8s bien dans le cadre du r\u00e9f\u00e9rencement naturel. Il s\u2019agit d<\/span><b>\u2019aider les moteurs de recherche \u00e0 comprendre le sens d\u2019un texte pour le positionner dans ses r\u00e9sultats. <\/b><span style=\"font-weight: 400;\">Google va alors analyser le vocabulaire, la ponctuation, la structure des phrases, les mots qui reviennent r\u00e9guli\u00e8rement, etc.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">\u00c0 travers les diff\u00e9rentes \u00e9volutions du SEO, on constate que l\u2019\u00e9tude de l\u2019analyse s\u00e9mantique s\u2019est affin\u00e9e. En effet, \u00e0 l\u2019origine, le r\u00e9f\u00e9rencement naturel reposait essentiellement sur la r\u00e9p\u00e9tition d\u2019un mot cl\u00e9 au sein d\u2019un texte. Mais au fur et \u00e0 mesure que les contenus en ligne se multiplient, ces r\u00e9p\u00e9titions g\u00e9n\u00e8rent des textes extr\u00eamement lourds et peu agr\u00e9ables \u00e0 lire. Pour am\u00e9liorer l\u2019exp\u00e9rience utilisateur, les moteurs de recherche ont d\u00e9velopp\u00e9 leur analyse s\u00e9mantique. L\u2019id\u00e9e est alors d\u2019appr\u00e9hender un texte, non pas seulement \u00e0 travers la redondance des requ\u00eates cl\u00e9s, mais plut\u00f4t \u00e0 travers la richesse du champ s\u00e9mantique.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Pour reprendre l\u2019exemple de la glace (dans le sens aliment), il s\u2019agit d\u2019ins\u00e9rer des mots comme saveur, fraise, chocolat, vanille, cornet, pot, \u00e9t\u00e9, fra\u00eecheur\u2026 <\/span><\/p><p><span style=\"font-weight: 400;\">Pour Google, l\u2019analyse s\u00e9mantique permet de savoir si un texte r\u00e9pond ou non \u00e0 l\u2019intention de recherche des utilisateurs.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eda2434 elementor-widget elementor-widget-heading\" data-id=\"eda2434\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Les chatbots<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0fcff3d elementor-widget elementor-widget-text-editor\" data-id=\"0fcff3d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Au-del\u00e0 du r\u00e9f\u00e9rencement naturel, l\u2019analyse s\u00e9mantique est utilis\u00e9e pour tous les <a href=\"https:\/\/datascientest.com\/chatgpt-apres-litalie-que-vont-faire-les-autres-gouvernements\">chatbots<\/a>, <a href=\"https:\/\/datascientest.com\/dites-bonjour-a-pi-votre-prochain-assistant-ia-personnel\">assistants virtuels<\/a><\/span><span style=\"font-weight: 400;\">et autres <a href=\"https:\/\/datascientest.com\/intelligence-artificielle-definition\">outils d\u2019Intelligence artificielle<\/a>.<\/span><\/p><p><span style=\"font-weight: 400;\">En plus de devoir <\/span><b>comprendre l\u2019intention de l\u2019internaute,<\/b><span style=\"font-weight: 400;\"> ces technologies doivent aussi restituer du contenu par elle-m\u00eame. Mais si l\u2019internaute pose une question avec un vocabulaire pauvre, la machine peut avoir des difficult\u00e9s \u00e0 r\u00e9pondre. <\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-473a78f elementor-widget elementor-widget-heading\" data-id=\"473a78f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Le marketing et le social listening<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1649461 elementor-widget elementor-widget-text-editor\" data-id=\"1649461\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Comme vu pr\u00e9c\u00e9demment, l\u2019analyse s\u00e9mantique est capable de d\u00e9terminer la connotation positive, n\u00e9gative ou neutre d\u2019un texte. Cette comp\u00e9tence est particuli\u00e8rement utile dans le domaine du marketing. En effet, les machines peuvent comprendre de mani\u00e8re automatique les retours clients en provenance des r\u00e9seaux sociaux, des sites d\u2019avis en ligne, des forums, etc. Plus pr\u00e9cis\u00e9ment, elles doivent <strong>r<\/strong><\/span><b>etranscrire les \u00e9motions du client<\/b><span style=\"font-weight: 400;\">. C\u2019est-\u00e0-dire d\u00e9tecter les \u00e9l\u00e9ments qui d\u00e9notent une certaine insatisfaction, m\u00e9contentement ou impatience de la part de la cible.<\/span><\/p><p><span style=\"font-weight: 400;\">En utilisant les outils d\u2019analyse s\u00e9mantique, les marques sont alors capables de <\/span><b>traiter de gros volumes de donn\u00e9es textuelles<\/b><span style=\"font-weight: 400;\">. Ce faisant, elles d\u00e9veloppent leur connaissance client et leur appr\u00e9hension des tendances du march\u00e9. Elles peuvent ainsi am\u00e9liorer leur communication, mettre en place des alertes d\u00e8s lors qu\u2019un nombre trop \u00e9lev\u00e9 de messages n\u00e9gatifs appara\u00eet\u2026<\/span><\/p><p><span style=\"font-weight: 400;\">In fine, l\u2019analyse s\u00e9mantique est un <\/span><b>excellent moyen d\u2019orienter les actions marketing.<\/b><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-225bfeb e-flex e-con-boxed e-con\" data-id=\"225bfeb\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4d97888 elementor-widget elementor-widget-heading\" data-id=\"4d97888\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Quels sont les autres types d\u2019analyses textuelles ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-899fa9b elementor-widget elementor-widget-heading\" data-id=\"899fa9b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">L\u2019analyse syntaxique<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8f06e02 elementor-widget elementor-widget-text-editor\" data-id=\"8f06e02\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">L\u2019analyse syntaxique consiste \u00e0 <\/span><b>analyser la structure m\u00eame de la phrase.\u00a0<\/b><\/p><p><span style=\"font-weight: 400;\">Par exemple :\u00a0<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Manges-tu une glace ?\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tu manges une glace<\/span><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a5da2f1 elementor-widget elementor-widget-text-editor\" data-id=\"a5da2f1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Dans ce cadre, le positionnement sujet-verbe permet de diff\u00e9rencier ces deux phrases en tant que question et affirmation. En revanche, le sens des mots en tant que tel n\u2019est pas analys\u00e9. Ce n\u2019est qu\u2019a posteriori avec l\u2019analyse s\u00e9mantique.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">C\u2019est pourquoi, analyses syntaxique et s\u00e9mantique sont compl\u00e9mentaires.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4467f4 elementor-widget elementor-widget-heading\" data-id=\"a4467f4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">L\u2019analyse lexicale<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c5e10a2 elementor-widget elementor-widget-text-editor\" data-id=\"c5e10a2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">L\u2019analyse lexicale est particuli\u00e8rement utilis\u00e9e dan<\/span>s<b> les langages de programmation.<\/b><span style=\"font-weight: 400;\"> Ici, l\u2019objectif est d\u2019\u00e9tudier la structure d\u2019un texte, qui est alors d\u00e9compos\u00e9 en plusieurs mots ou expressions. Par exemple, les identifiants, les mots cl\u00e9s, les s\u00e9parateurs, etc.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">L\u00e0 encore, l\u2019analyse s\u00e9mantique intervient a posteriori.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee83eeb elementor-widget elementor-widget-image\" data-id=\"ee83eeb\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1080\" height=\"550\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/Outils-danalyse-textuelle-1080x550-1.jpg\" class=\"attachment-full size-full wp-image-201885\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/Outils-danalyse-textuelle-1080x550-1.jpg 1080w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/Outils-danalyse-textuelle-1080x550-1-300x153.jpg 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/Outils-danalyse-textuelle-1080x550-1-1024x521.jpg 1024w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/Outils-danalyse-textuelle-1080x550-1-768x391.jpg 768w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f893340 e-flex e-con-boxed e-con\" data-id=\"f893340\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7d11a35 elementor-widget elementor-widget-heading\" data-id=\"7d11a35\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Ce qu\u2019il faut retenir :<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d87fdd elementor-widget elementor-widget-text-editor\" data-id=\"1d87fdd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u2019analyse s\u00e9mantique <strong>permet de comprendre le sens d\u2019un mot, d\u2019une phrase, d\u2019une expression ou d\u2019un texte,<\/strong> gr\u00e2ce au contexte fourni par l\u2019ensemble des donn\u00e9es textuelles.\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cette analyse est particuli\u00e8rement <strong>utile dans le cadre du traitement du langage naturel<\/strong> puisqu\u2019il permet aux machines de mieux comprendre le cerveau humain.\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Concr\u00e8tement, cette \u00e9tude de la s\u00e9mantique trouve son application dans le <strong>marketing<\/strong>, les <strong>chatbots<\/strong> ou encore le <strong>SEO<\/strong>. <\/span><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb7a7b7 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"fb7a7b7\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formation-machine-learning-engineer\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Tout apprendre sur l'analyse s\u00e9mantique<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8e7a79f e-flex e-con-boxed e-con\" data-id=\"8e7a79f\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c714e6f elementor-widget elementor-widget-html\" data-id=\"c714e6f\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Qu\u2019est-ce que l\u2019analyse s\u00e9mantique ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"La s\u00e9mantique renvoie \u00e0 l\u2019\u00e9tude des mots dans leur contexte. En effet, un mot peut avoir plusieurs significations. Pour comprendre son sens r\u00e9el au sein d\u2019une phrase, il convient d\u2019\u00e9tudier l\u2019ensemble des mots qui l\u2019entoure. C\u2019est le contexte. Cela permet ainsi de mieux comprendre des mots, des expressions, des phrases, ou m\u00eame des textes longs (1000, 2000, 5000 mots...). En plus de donner du sens aux donn\u00e9es textuelles, les outils d\u2019analyse s\u00e9mantique peuvent \u00e9galement interpr\u00e9ter le ton, le ressenti, l\u2019\u00e9motion, la tournure de phrase, etc. Cette analyse permettra alors de savoir si le texte a une connotation positive, n\u00e9gative ou neutre.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Pourquoi utiliser l\u2019analyse s\u00e9mantique ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"L\u2019analyse s\u00e9mantique s\u2019applique tr\u00e8s bien dans le cadre du r\u00e9f\u00e9rencement naturel. Il s\u2019agit d\u2019aider les moteurs de recherche \u00e0 comprendre le sens d\u2019un texte pour le positionner dans ses r\u00e9sultats. Google va alors analyser le vocabulaire, la ponctuation, la structure des phrases, les mots qui reviennent r\u00e9guli\u00e8rement, etc.\"\r\n    }\r\n  }]\r\n}\r\n<\/script>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Si les outils d\u2019Intelligence artificielle sont de plus en plus performants dans le traitement du langage naturel, c\u2019est notamment gr\u00e2ce \u00e0 une utilisation plus fine de l\u2019analyse s\u00e9mantique. Dans cet article, nous allons justement voir de quoi il s\u2019agit et son int\u00e9r\u00eat pour les organisations. Qu\u2019est-ce que l\u2019analyse s\u00e9mantique ? D\u00e9finition de l\u2019analyse s\u00e9mantique La [&hellip;]<\/p>\n","protected":false},"author":78,"featured_media":201842,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"content-type":"","inline_featured_image":false},"categories":[2497],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Analyse s\u00e9mantique : D\u00e9finition et cas d&#039;usages de ce concept<\/title>\n<meta name=\"description\" content=\"En facilitant la compr\u00e9hension du sens des donn\u00e9es textuelles, l\u2019analyse s\u00e9mantique appara\u00eet comme un maillon indispensable de l\u2019Intelligence artificielle.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/datascientest.com\/analyse-semantique-tout-savoir\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Analyse s\u00e9mantique : D\u00e9finition et cas d&#039;usages de ce concept\" \/>\n<meta property=\"og:url\" content=\"https:\/\/datascientest.com\/analyse-semantique-tout-savoir\" \/>\n<meta property=\"og:site_name\" content=\"Formation Data Science | DataScientest.com\" \/>\n<meta property=\"article:published_time\" content=\"2023-09-15T07:30:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-11-09T13:43:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/analyse-semantique-datascientest.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"J\u00e9r\u00e9my Robert\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"J\u00e9r\u00e9my Robert\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/datascientest.com\/analyse-semantique-tout-savoir\",\"url\":\"https:\/\/datascientest.com\/analyse-semantique-tout-savoir\",\"name\":\"Analyse s\u00e9mantique : D\u00e9finition et cas d'usages de ce concept\",\"isPartOf\":{\"@id\":\"https:\/\/datascientest.com\/#website\"},\"datePublished\":\"2023-09-15T07:30:00+00:00\",\"dateModified\":\"2023-11-09T13:43:12+00:00\",\"author\":{\"@id\":\"https:\/\/datascientest.com\/#\/schema\/person\/7af2361c48e24e79a8aa2360e6e74925\"},\"description\":\"En facilitant la compr\u00e9hension du sens des donn\u00e9es textuelles, l\u2019analyse s\u00e9mantique appara\u00eet comme un maillon indispensable de l\u2019Intelligence artificielle.\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/datascientest.com\/analyse-semantique-tout-savoir\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/datascientest.com\/#website\",\"url\":\"https:\/\/datascientest.com\/\",\"name\":\"Formation Data Science | DataScientest.com\",\"description\":\"Leader de la formation en Data Science\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/datascientest.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/datascientest.com\/#\/schema\/person\/7af2361c48e24e79a8aa2360e6e74925\",\"name\":\"J\u00e9r\u00e9my Robert\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/datascientest.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/11\/jeremyrobert.jpeg\",\"contentUrl\":\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/11\/jeremyrobert.jpeg\",\"caption\":\"J\u00e9r\u00e9my Robert\"},\"description\":\"J\u00e9r\u00e9my Robert est actuellement Directeur p\u00e9dagogique B2B chez DataScientest.com. 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