{"id":2046,"date":"2021-02-09T08:14:16","date_gmt":"2021-02-09T08:14:16","guid":{"rendered":"http:\/\/iscpif.fr\/chavalarias\/?p=2046"},"modified":"2021-02-09T08:25:33","modified_gmt":"2021-02-09T08:25:33","slug":"la-twittosphere-politique-circulation-dinformation-dans-le-dedale-des-courants-politiques","status":"publish","type":"post","link":"https:\/\/iscpif.fr\/chavalarias\/?p=2046","title":{"rendered":"La Twittosph\u00e8re politique &#8211; Circulation d\u2019information dans le d\u00e9dale des courants politiques"},"content":{"rendered":"<div id='full_slider_1'  class='avia-fullwidth-slider main_color avia-shadow   avia-builder-el-0  el_before_av_one_half  avia-builder-el-first   container_wrap fullsize'  ><div  class='avia-slideshow av-kkxnc94j-53f2e2d8e281f5c6040423339dd99f92 avia-slideshow-featured av_slideshow_full avia-slide-slider av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-default-height-applied   avia-slideshow-1' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:false,&quot;loop_autoplay&quot;:&quot;once&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;bg_slider&quot;:false,&quot;keep_padding&quot;:false,&quot;hoverpause&quot;:false,&quot;show_slide_delay&quot;:0}\"  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner ' style='padding-bottom: 28.666666666667%;'><li  class='avia-slideshow-slide av-kkxnc94j-53f2e2d8e281f5c6040423339dd99f92__0  av-single-slide slide-1 slide-odd'><div data-rel='slideshow-1' class='avia-slide-wrap '   ><div class='av-slideshow-caption av-kkxnc94j-53f2e2d8e281f5c6040423339dd99f92__0 caption_fullwidth caption_bottom'><div class=\"container caption_container\"><div class=\"slideshow_caption\"><div class=\"slideshow_inner_caption\"><div class=\"slideshow_align_caption\"><h2 class='avia-caption-title '  itemprop=\"name\" >La Twittosph\u00e8re politique<\/h2><div class='avia-caption-content '  itemprop=\"description\" ><p>Circulation d\u2019information dans le d\u00e9dale des courants politiques<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-334 avia-img-lazy-loading-not-334\"  src=\"https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2017\/04\/Politoscope-Ex-de-diff-1500x430.jpg\" width=\"1500\" height=\"430\" title='Politoscope Ex de diff' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><\/ul><\/div><\/div><div id='after_full_slider_1'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-2046'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-9l88pa-1e490ca599a6057316d3a6b5bcfbf4e8\">\n.flex_column.av-9l88pa-1e490ca599a6057316d3a6b5bcfbf4e8{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-9l88pa-1e490ca599a6057316d3a6b5bcfbf4e8 av_one_half  avia-builder-el-1  el_after_av_slideshow_full  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><p><div  class='tabcontainer av-kkxnepxq-c0b11aca64fbba8ec7af5bd8d7ab933e top_tab  avia-builder-el-2  el_before_av_heading  avia-builder-el-first '>\n<section class='av_tab_section av_tab_section av-7k7fcu-7b1b02869d7e83c384e8adec4cd7af6a'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div id='tab-id-1-tab' class='tab active_tab' role='tab' aria-selected=\"true\" tabindex=\"0\" data-fake-id='#tab-id-1' aria-controls='tab-id-1-content'  itemprop=\"headline\" >A propos<\/div><div id='tab-id-1-content' class='tab_content active_tab_content' role='tabpanel' aria-labelledby='tab-id-1-tab' aria-hidden=\"false\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><blockquote>\n<p><em>Cette page pr\u00e9sente une m\u00e9thodologie d\u2019identification des diff\u00e9rentes communaut\u00e9s qui diffusent de l\u2019information \u00e0 contenu politique sur Twitter. L\u2019accent est mis ici sur la mani\u00e8re dont l\u2019information circule. Il n\u2019y a pas d\u2019analyse du contenu de ce qui est \u00e9chang\u00e9.<\/em><\/p>\n<\/blockquote>\n<p><strong>R\u00e9f\u00e9rence :<\/strong> Noe Gaumont, Maziyar Panahi, David Chavalarias. Methods for the reconstruction of the socio-semantic dynamics of political activist Twitter networks: Application to the 2017 French Presidential elections.\u00a0 2017. <a href=\"https:\/\/hal.archives-ouvertes.fr\/hal-01575456v2\" target=\"_blank\" rel=\"noopener\">\u3008hal-01575456v2\u3009<\/a><\/p>\n<\/div><\/div><\/section>\n<\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-92cdeaecc87b0aac924558fce441c181\">\n#top .av-special-heading.av-av_heading-92cdeaecc87b0aac924558fce441c181{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-av_heading-92cdeaecc87b0aac924558fce441c181 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-av_heading-92cdeaecc87b0aac924558fce441c181 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-92cdeaecc87b0aac924558fce441c181 av-special-heading-h3  avia-builder-el-3  el_after_av_tab_container  el_before_av_image_hotspot  avia-builder-el-last '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Qu\u2018est qu\u2019un tweet ?<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-sub-av-kkxnftpb-00a9a39726d8e3890cf5e1d385c0a230\">\n.av-hotspot-image-container .av-image-hotspot.av-av_image_spot-b8ba791191189db7a4f055c2305fd4e2{\ntop:10%;\nleft:82.6%;\n}\n.av-hotspot-image-container .av-image-hotspot.av-av_image_spot-b8ba791191189db7a4f055c2305fd4e2 .av-image-hotspot_inner{\nbackground-color:#ffffff;\ncolor:#888888;\n}\n.av-hotspot-image-container .av-image-hotspot.av-av_image_spot-b8ba791191189db7a4f055c2305fd4e2 .av-image-hotspot-pulse{\nbackground-color:#7bb0e7;\n}\n.av-hotspot-image-container .av-image-hotspot.av-av_image_spot-c3636b88bdf4c5a64a383de23aa03422{\ntop:82.5%;\nleft:29.4%;\n}\n.av-hotspot-image-container .av-image-hotspot.av-av_image_spot-c3636b88bdf4c5a64a383de23aa03422 .av-image-hotspot_inner{\nbackground-color:#ffffff;\ncolor:#888888;\n}\n.av-hotspot-image-container .av-image-hotspot.av-av_image_spot-c3636b88bdf4c5a64a383de23aa03422 .av-image-hotspot-pulse{\nbackground-color:#7bb0e7;\n}\n<\/style>\n<div  class='av-hotspot-image-container av-kkxnftpb-00a9a39726d8e3890cf5e1d385c0a230  avia-builder-el-4  el_after_av_heading  el_before_av_textblock  av-hotspot-numbered av-mobile-fallback-active  av-non-fullwidth-hotspot-image'  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class='av-hotspot-container'><div class='av-hotspot-container-inner-cell'><div class='av-hotspot-container-inner-wrap'><div class='av-image-hotspot av-av_image_spot-b8ba791191189db7a4f055c2305fd4e2 av-image-hotspot-1 ' data-avia-tooltip-position='top' data-avia-tooltip-alignment='left' data-avia-tooltip-class='av-tt-default-width av-tt-pos-above av-tt-align-left  av-mobile-fallback-active  main_color av-tt-hotspot' data-avia-tooltip='&lt;p&gt;Contenu du message&lt;\/p&gt;\n'><div class='av-image-hotspot_inner'>1<\/div><div class='av-image-hotspot-pulse'><\/div><\/div><div class='av-image-hotspot av-av_image_spot-c3636b88bdf4c5a64a383de23aa03422 av-image-hotspot-2 ' data-avia-tooltip-position='top' data-avia-tooltip-alignment='left' data-avia-tooltip-class='av-tt-default-width av-tt-pos-above av-tt-align-left  av-mobile-fallback-active  main_color av-tt-hotspot' data-avia-tooltip='&lt;p&gt;Nombre de fois o\u00f9 le message a \u00e9t\u00e9 relay\u00e9 sans modification.&lt;\/p&gt;\n'><div class='av-image-hotspot_inner'>2<\/div><div class='av-image-hotspot-pulse'><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-2047 avia-img-lazy-loading-not-2047 avia_image' src=\"https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/HollandeNonCandidatH.jpg\" alt='' title='HollandeNonCandidatH'  height=\"200\" width=\"583\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/HollandeNonCandidatH.jpg 583w, https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/HollandeNonCandidatH-300x103.jpg 300w\" sizes=\"(max-width: 583px) 100vw, 583px\" \/><\/div><\/div><\/div><div class='av-hotspot-fallback-tooltip av-image-hotspot-1 '><div class=\"av-hotspot-fallback-tooltip-count\">1<div class=\"avia-arrow\"><\/div><\/div><div class=\"av-hotspot-fallback-tooltip-inner clearfix\"><p>\nContenu du message<\/p>\n<\/div><\/div><div class='av-hotspot-fallback-tooltip av-image-hotspot-2 '><div class=\"av-hotspot-fallback-tooltip-count\">2<div class=\"avia-arrow\"><\/div><\/div><div class=\"av-hotspot-fallback-tooltip-inner clearfix\"><p>\nNombre de fois o\u00f9 le message a \u00e9t\u00e9 relay\u00e9 sans modification.<\/p>\n<\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-kkxngpjy-95d94c7ae99c8b7d5c253e65320f04fc '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><section class=\"av_textblock_section \">\n<div class=\"avia_textblock \">\n<p>Un tweet est un message court publi\u00e9 par un utilisateur de Twitter sur son compte. Il peut \u00eatre vu par toute personne sur le web. Les tweets peuvent \u00eatre copi\u00e9s d\u2019un compte utilisateur vers un autre (retweets), comment\u00e9s ou cit\u00e9s.\u00a0 Les utilisateurs peuvent s\u2019interpeller directement en mentionnant leurs noms de profil dans un message.<\/p>\n<p>Twitter offre un moteur de recherche qui permet de retrouver n\u2019importe quel tweet.<\/p>\n<\/div>\n<\/section>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-9l88pa-ec004fc77f1d4b144b19643e0e63e913\">\n.flex_column.av-9l88pa-ec004fc77f1d4b144b19643e0e63e913{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-9l88pa-ec004fc77f1d4b144b19643e0e63e913 av_one_half  avia-builder-el-6  el_after_av_one_half  el_before_av_one_full  flex_column_div av-zero-column-padding  '     ><p><div  class='avia-button-wrap avia-button-center  avia-builder-el-7  el_before_av_image  avia-builder-el-first '>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kkxnjlj7-9bede4f9070929cbb7c2440e6f7c90f7\">\n#top #wrap_all .avia-button.av-kkxnjlj7-9bede4f9070929cbb7c2440e6f7c90f7:hover{\ncolor:#ffffff;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-kkxnjlj7-9bede4f9070929cbb7c2440e6f7c90f7:hover .avia-svg-icon svg:first-child{\nfill:#ffffff;\nstroke:#ffffff;\n}\n<\/style>\n<a href='http:\/\/politoscope.org' class='avia-color-theme-color avia-font-color-theme-color avia-button avia-button-fullwidth av-kkxnjlj7-9bede4f9070929cbb7c2440e6f7c90f7 avia-icon_select-yes-right-icon avia-color-theme-color'   aria-label=\"Visitez la plateforme du Politoscope\"><span class='avia_iconbox_title' >Visitez la plateforme du Politoscope<\/span><span class='avia_button_icon avia_button_icon_right avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue835' data-av_iconfont='entypo-fontello' ><\/span><div class='av-button-description av-button-description-below'><p>Visualisations interactives et analyses<\/p>\n<\/div><span class='avia_button_background avia-button avia-button-fullwidth avia-color-theme-color-highlight'><\/span><\/a><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2tv3gu-caeac9b534bf0940bcbc298c343b1f74\">\n.avia-image-container.av-2tv3gu-caeac9b534bf0940bcbc298c343b1f74 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-2tv3gu-caeac9b534bf0940bcbc298c343b1f74 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-2tv3gu-caeac9b534bf0940bcbc298c343b1f74 av-styling- avia-align-center  avia-builder-el-8  el_after_av_button_big  el_before_av_textblock  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-2051 avia-img-lazy-loading-not-2051 avia_image ' src=\"https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/Politoscope2020_greyLinksBS.png\" alt='' title='Twitersphere Politique 2020'  height=\"1175\" width=\"1450\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/Politoscope2020_greyLinksBS.png 1450w, https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/Politoscope2020_greyLinksBS-300x243.png 300w, https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/Politoscope2020_greyLinksBS-1030x835.png 1030w, https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/Politoscope2020_greyLinksBS-768x622.png 768w, https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/Politoscope2020_greyLinksBS-495x400.png 495w, https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/Politoscope2020_greyLinksBS-845x684.png 845w, https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/Politoscope2020_greyLinksBS-705x571.png 705w\" sizes=\"(max-width: 1450px) 100vw, 1450px\" \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-kkxo4rv1-46ca3249c99ca22a102b6c69eec9170d '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\">Paysage politique fran\u00e7ais en 2020.<\/p>\n<\/div><\/section><\/p><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-9l88pa-1e490ca599a6057316d3a6b5bcfbf4e8\">\n.flex_column.av-9l88pa-1e490ca599a6057316d3a6b5bcfbf4e8{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-9l88pa-1e490ca599a6057316d3a6b5bcfbf4e8 av_one_full  avia-builder-el-10  el_after_av_one_half  avia-builder-el-last  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-kkxnnjp2-f7968fd3ec594c0d77dad3e2b5f14327 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"av-special-heading av-special-heading-h3 avia-builder-el-11 el_before_av_textblock avia-builder-el-first \">\n<h3 class=\"av-special-heading-tag \">Reconstruire les communaut\u00e9s de circulation d\u2019information sur Twitter<\/h3>\n<div class=\"special-heading-border\">\n<div class=\"special-heading-inner-border\"><\/div>\n<\/div>\n<\/div>\n<section class=\"av_textblock_section \">\n<div class=\"avia_textblock \">\n<p>Le but du <em>Politoscope<\/em> est d\u2019analyser la dynamique des <em>r\u00e9seaux socio-s\u00e9mantiques<\/em> de la tweetosph\u00e8re politique et m\u00e9diatique, c\u2019est-\u00e0-dire : comment les diff\u00e9rents groupes s\u2019organisent-ils pour diffuser de l\u2019information ? Quel type d\u2019information circule ? Comment ces r\u00e9seaux se reconfigurent en fonction de l\u2019actualit\u00e9 ?<\/p>\n<p>Nous nous int\u00e9ressons ici \u00e0 la mani\u00e8re dont l\u2019information est \u00e9chang\u00e9e. Plusieurs dimensions peuvent \u00eatre consid\u00e9r\u00e9es dans l\u2019identification des communaut\u00e9s de partage d\u2019information : les retweets, les citations, les favoris, les mentions, etc. L&#8217;analyse pr\u00e9sent\u00e9e ici se concentre sur les relations engendr\u00e9es par les \u201cretweets sec\u201d, c\u2019est \u00e0 dire sans alt\u00e9ration du contenu.<\/p>\n<h5>D\u00e9tection de communaut\u00e9s<\/h5>\n<p>Les <i>communaut\u00e9s<\/i> politiques autour des candidats ont \u00e9t\u00e9 d\u00e9finies algorithmiquement via l\u2019analyse du relai de message \u00e0 l\u2019identique entre comptes Twitter (retweets \u201csecs\u201d).<\/p>\n<p>Nous analysons pour une p\u00e9riode donn\u00e9e le graphe de retweets politiques entre tous les comptes identifi\u00e9s par le <i>Politoscope<\/i>. Cela peut comporter jusqu&#8217;\u00e0 plusieurs millions d&#8217;\u00e9changes. Ce graphe est ensuite filtr\u00e9 pour ne garder que les comptes qui ont \u00e9chang\u00e9 un nombre suffisant de tweets avec un nombre suffisant d\u2019autres comptes. Ce filtre permet d\u2019\u00e9liminer la majorit\u00e9 des robots et ne garde que les comptes les plus engag\u00e9s politiquement.<\/p>\n<p>Nous utilisons ensuite un algorithme de d\u00e9tection de communaut\u00e9s (ici algorithme de Louvain) afin d\u2019identifier des sous-ensembles denses du graphe. Ces ensembles sont des comptes partageant des informations de mani\u00e8re privil\u00e9gi\u00e9e avec les autres comptes du m\u00eame ensemble, ce qui homog\u00e9n\u00e9ise les id\u00e9es qui circulent en leur sein. Ces ensembles d\u00e9finissent nos <i>communaut\u00e9s<\/i>.<\/p>\n<p>Une <em>communaut\u00e9<\/em> autour d\u2019un candidat\u00a0 ou de son parti est alors d\u00e9finie par le sous-ensemble de comptes Twitter qui partagent des informations similaires au compte Twitter du candidat ou de son parti.<\/p>\n<p>Ce n\u2019est pas une garantie d\u2019adh\u00e9sion du propri\u00e9taire du compte aux id\u00e9es du candidat. Toutefois la reconstruction de ces <i>\u201ccommunaut\u00e9s\u201d<\/i> permet de mettre en avant les structures qui diffusent les id\u00e9es politiques et nous avons montr\u00e9 que lorsque l&#8217;on regarde les comptes les plus actifs, cette m\u00e9thode permet d&#8217;identifier l&#8217;orientation politique d&#8217;un compte dans plus de 90% des cas.<\/p>\n<\/div>\n<\/section>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kkxno5z5-6ee0101b0bc935965a979f73a28846e7\">\n.avia-image-container.av-kkxno5z5-6ee0101b0bc935965a979f73a28846e7 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kkxno5z5-6ee0101b0bc935965a979f73a28846e7 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-kkxno5z5-6ee0101b0bc935965a979f73a28846e7 av-styling- avia-align-center  avia-builder-el-12  el_after_av_textblock  el_before_av_textblock '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-2049 avia-img-lazy-loading-not-2049 avia_image ' src=\"https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/workflow.png\" alt='' title='workflow'  height=\"99\" width=\"1019\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/workflow.png 1019w, https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/workflow-300x29.png 300w, https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/workflow-768x75.png 768w, https:\/\/iscpif.fr\/chavalarias\/wp-content\/uploads\/sites\/4\/2021\/02\/workflow-705x68.png 705w\" sizes=\"(max-width: 1019px) 100vw, 1019px\" \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-kkxnpjyb-521aa5ce92d9ff678864f9ad8f21aa5d '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"av-special-heading av-special-heading-h3 avia-builder-el-14 el_before_av_textblock avia-builder-el-first \">\n<h3 class=\"av-special-heading-tag \">R\u00e9sultats<\/h3>\n<\/div>\n<section class=\"av_textblock_section \">\n<div class=\"avia_textblock \">\n<p>Les communaut\u00e9s politiques se reconfigurent au gr\u00e9 des alliances et des d\u00e9fections. La d\u00e9tection des communaut\u00e9s d\u00e9pend donc de la p\u00e9riode sur laquelle elles sont calcul\u00e9es. Nous pr\u00e9sentons ici le paysage politique de Twitter tel qu\u2019il peut \u00eatre envisag\u00e9 lorsque l\u2019on consid\u00e8re la majeure partie de la campagne (ao\u00fbt 16 \u2013 f\u00e9vrier 17 pour les images pr\u00e9sent\u00e9es ici). Les relations entre les n\u0153uds (comptes twitter) sont donc des relations \u201cmoyennes\u201d sur l\u2019ensemble de cette p\u00e9riode.<\/p>\n<p>Pour visualiser leurs relations, nous avons utilis\u00e9 l\u2019algorithme <a href=\"http:\/\/journals.plos.org\/plosone\/article?id=10.1371\/journal.pone.0098679\" target=\"_blank\" rel=\"noopener\">Force Atlas<\/a> tel qu\u2019impl\u00e9ment\u00e9 dans le logiciel <a href=\"http:\/\/gephi.org\" target=\"_blank\" rel=\"noopener\">Gephi<\/a>.<\/p>\n<p>Bien que la forme pr\u00e9cise du graphe de retweets puisse changer en fonction des param\u00e8tres choisis pour le Force Atlas, sa topologie et les relations entre les communaut\u00e9s d\u00e9tect\u00e9es sont invariantes. D\u00e8s lors, la forme g\u00e9n\u00e9rale du graphe est suffisamment caract\u00e9ristique pour pouvoir donner des indications sur les relations entre les communaut\u00e9s politiques et leur \u00e9volution au cours du temps.<\/p>\n<p>On peut ainsi observer sur la figure 1 l\u2019organisation du paysage politique suivant un continuum qui prend la forme de la lettre grecque <em>Pi : <\/em>un premier axe gauche droite que nous avons positionn\u00e9 horizontalement pour faciliter la lecture, un second axe qui s\u00e9pare les extr\u00eames des positions politiques plus mod\u00e9r\u00e9es. Certaines communaut\u00e9s sont d\u00e9connect\u00e9es de ce graphe, il s\u2019agit de communaut\u00e9s politiques minoritaires qui sont polaris\u00e9es sur une seule dimension tr\u00e8s particuli\u00e8re du d\u00e9bat politique (comme par exemple l\u2019UPR, qui pr\u00f4ne le frexit quelque soit le probl\u00e8me pos\u00e9).<\/p>\n<p><a href=\"https:\/\/politoscope.org\/analyses\/\">D\u2019autres analyses <\/a>pr\u00e9sent\u00e9es sur le site du Politoscope d\u00e9montrent que cette organisation des communaut\u00e9s refl\u00e8te effectivement les circuits de diffusion de l\u2019information au niveau global.<\/p>\n<\/div>\n<\/section>\n<\/div><\/section><\/p><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":9,"featured_media":340,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-2046","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/iscpif.fr\/chavalarias\/index.php?rest_route=\/wp\/v2\/posts\/2046","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/iscpif.fr\/chavalarias\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/iscpif.fr\/chavalarias\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/iscpif.fr\/chavalarias\/index.php?rest_route=\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/iscpif.fr\/chavalarias\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2046"}],"version-history":[{"count":8,"href":"https:\/\/iscpif.fr\/chavalarias\/index.php?rest_route=\/wp\/v2\/posts\/2046\/revisions"}],"predecessor-version":[{"id":2060,"href":"https:\/\/iscpif.fr\/chavalarias\/index.php?rest_route=\/wp\/v2\/posts\/2046\/revisions\/2060"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/iscpif.fr\/chavalarias\/index.php?rest_route=\/wp\/v2\/media\/340"}],"wp:attachment":[{"href":"https:\/\/iscpif.fr\/chavalarias\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2046"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/iscpif.fr\/chavalarias\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2046"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/iscpif.fr\/chavalarias\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2046"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}