{"id":2133,"date":"2026-05-26T08:39:59","date_gmt":"2026-05-26T08:39:59","guid":{"rendered":"https:\/\/opengovai4d.ellak.gr\/?page_id=2133"},"modified":"2026-05-27T14:20:18","modified_gmt":"2026-05-27T14:20:18","slug":"topic-modeling","status":"publish","type":"page","link":"https:\/\/opengovai4d.ellak.gr\/en\/topic-modeling\/","title":{"rendered":"Topic modeling"},"content":{"rendered":"<div class=\"wp-block-group alignwide is-layout-flow wp-block-group-is-layout-flow\" style=\"padding-top:24px;padding-bottom:48px\">\n<p class=\"has-custom-primary-color has-text-color has-link-color wp-elements-519bba032680a63b2fb5750730473c92 wp-block-paragraph\" style=\"font-size:clamp(27.894px, 1.743rem + ((1vw - 3.2px) * 2.094), 48px);\">Topic modeling<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The topic export plugin automatically analyzes the text of the article along with citizens' comments and recognizes the relevant thematic categories from a predefined classification. The sections appear on the public page of the article, so that visitors can see at a glance the main issues of the consultation.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignfull has-base-2-background-color has-background has-global-padding is-layout-constrained wp-container-core-group-is-layout-32c6f11a wp-block-group-is-layout-constrained\" style=\"border-top-color:#b3b2b5;border-top-width:1px;padding-top:50px;padding-right:0px;padding-bottom:50px;padding-left:0px\">\n<div class=\"wp-block-group alignwide is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"font-size:clamp(22.041px, 1.378rem + ((1vw - 3.2px) * 1.454), 36px);\"><strong>How it works <mark style=\"background-color:#ffdd00\" class=\"has-inline-color\">Topic modeling<\/mark>;<\/strong><\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1.<\/strong> The plugin is automatically activated every time a consultation article is published or updated.<br><strong>2.<\/strong> The title and text of the article are collected. In a later development of the tool, it will be possible to collect feedback submitted by citizens.<br><strong>3.<\/strong> The language of the content (Greek, English, German supported) is automatically located so that the analysis and the tags of the topics correspond to the language of the consultation.<br><strong>4.<\/strong> Using a multilingual embeddings model (mpnet) a numerical representation of the overall content of the consultation is created.<br><strong>5.<\/strong> The classification of the system includes around 100 pre-defined topics, organised into general categories (parents) and sub-categories (leaves), curated to cover topics of public consultation; each has its own numerical representation calculated in advance.<br><strong>6.<\/strong> Using the cosine similarity and z-score normalization index, it is calculated how much the content of the consultation is linked to each topic of the classification.<br><strong>7.<\/strong> Only subjects whose relevance exceeds a predetermined threshold are retained, and grouped under the general category to which they belong.<br><strong>8.<\/strong> The result is stored permanently in the article and appears on the public page, just below the title and above the text of the article, in a compact format \"General category: subcategory 1, subcategory 2\", indicating that they have been generated automatically (Created with AI).<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Topic Modeling The topic export plugin automatically analyzes the text of the article along with citizens' comments and recognizes the relevant thematic categories from a predefined classification. The sections appear on the public page of the article, so that visitors can see at a glance the main issues of the consultation. How does Topic Modeling work? [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"wp-custom-template-different-header","meta":{"_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-2133","page","type-page","status-publish","hentry"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"etm-custom-language-flag":false,"gamipress-points":false,"gamipress-achievement":false,"gamipress-rank":false},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/opengovai4d.ellak.gr\/en\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"Topic Modeling \u03a4\u03bf plugin \u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03b8\u03b5\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd \u03b5\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd \u03b1\u03bd\u03b1\u03bb\u03cd\u03b5\u03b9 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b1 \u03c4\u03bf \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03c4\u03bf\u03c5 \u03ac\u03c1\u03b8\u03c1\u03bf\u03c5 \u03bc\u03b1\u03b6\u03af \u03bc\u03b5 \u03c4\u03b1 \u03c3\u03c7\u03cc\u03bb\u03b9\u03b1 \u03c4\u03c9\u03bd \u03c0\u03bf\u03bb\u03b9\u03c4\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b8\u03b5\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b5\u03c2 \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b7 \u03c4\u03b1\u03be\u03b9\u03bd\u03cc\u03bc\u03b7\u03c3\u03b7. \u039f\u03b9 \u03b5\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03b1 \u03c3\u03b5\u03bb\u03af\u03b4\u03b1 \u03c4\u03bf\u03c5 \u03ac\u03c1\u03b8\u03c1\u03bf\u03c5, \u03ce\u03c3\u03c4\u03b5 \u03bf\u03b9 \u03b5\u03c0\u03b9\u03c3\u03ba\u03ad\u03c0\u03c4\u03b5\u03c2 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03bc\u03b9\u03b1 \u03bc\u03b1\u03c4\u03b9\u03ac \u03c4\u03b1 \u03ba\u03cd\u03c1\u03b9\u03b1 \u03b6\u03b7\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b2\u03bf\u03cd\u03bb\u03b5\u03c5\u03c3\u03b7\u03c2. \u03a0\u03c9\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c4\u03bf Topic Modeling;&hellip;","_links":{"self":[{"href":"https:\/\/opengovai4d.ellak.gr\/en\/wp-json\/wp\/v2\/pages\/2133","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opengovai4d.ellak.gr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/opengovai4d.ellak.gr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/opengovai4d.ellak.gr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/opengovai4d.ellak.gr\/en\/wp-json\/wp\/v2\/comments?post=2133"}],"version-history":[{"count":5,"href":"https:\/\/opengovai4d.ellak.gr\/en\/wp-json\/wp\/v2\/pages\/2133\/revisions"}],"predecessor-version":[{"id":2182,"href":"https:\/\/opengovai4d.ellak.gr\/en\/wp-json\/wp\/v2\/pages\/2133\/revisions\/2182"}],"wp:attachment":[{"href":"https:\/\/opengovai4d.ellak.gr\/en\/wp-json\/wp\/v2\/media?parent=2133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}