{"id":232,"date":"2013-04-26T12:45:26","date_gmt":"2013-04-26T12:45:26","guid":{"rendered":"http:\/\/195.130.121.171\/akaloger\/?page_id=232"},"modified":"2025-03-18T12:08:07","modified_gmt":"2025-03-18T12:08:07","slug":"phd-thesis","status":"publish","type":"page","link":"https:\/\/kalogeratos.com\/psite\/publications\/phd-thesis\/","title":{"rendered":"PhD Thesis"},"content":{"rendered":"<p><!--:en--><\/p>\n<h3 style=\"text-align: justify;\"><em>&#8220;Knowledge Extraction Methods from Document Collections&#8221;<\/em><\/h3>\n<p style=\"text-align: justify;\">PhD thesis (in English), <a href=\"http:\/\/cs.uoi.gr\/\">Computer Science Department<\/a>, <a href=\"http:\/\/cs.uoi.gr\">University of Ioannina<\/a>, Greece.<br \/>\nThesis Supervisor: <a href=\"http:\/\/cs.uoi.gr\/~arly\">Aristidis Likas<\/a><\/p>\n<p style=\"text-align: justify;\"><strong>Keywords: <\/strong>Clustering, high-dimensional and sparse data, cluster analysis, estimation of the number of clusters, text documents, text semantics, data representation, cluster representation.<\/p>\n<p style=\"text-align: justify;\">Received on April 2013.<\/p>\n<ul style=\"text-align: justify;\">\n<li>Thesis [<a href=\"https:\/\/www.cs.uoi.gr\/wp-content\/uploads\/publications\/PD-2013-1.pdf\">pdf<\/a>][<a href=\"https:\/\/kalogeratos.com\/psite\/files\/MyPapers\/phd_thesis.bib\">bib<\/a>]<em><br \/>\n<\/em><\/li>\n<li>Defended on April 17, 2013.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;Knowledge Extraction Methods from Document Collections&#8221; PhD thesis (in English), Computer Science Department, University of Ioannina, Greece. Thesis Supervisor: Aristidis Likas Keywords: Clustering, high-dimensional and sparse data, cluster analysis, estimation of the number of clusters, text documents, text semantics, data representation, cluster representation. Received on April 2013. Thesis [pdf][bib] Defended on April 17, 2013.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":17,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-232","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Argyris Kalogeratos<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kalogeratos.com\/psite\/publications\/phd-thesis\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"&#8220;Knowledge Extraction Methods from Document Collections&#8221; PhD thesis (in English), Computer Science Department, University of Ioannina, Greece. Thesis Supervisor: Aristidis Likas Keywords: Clustering, high-dimensional and sparse data, cluster analysis, estimation of the number of clusters, text documents, text semantics, data representation, cluster representation. Received on April 2013. Thesis [pdf][bib] Defended on April 17, 2013.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kalogeratos.com\/psite\/publications\/phd-thesis\/\" \/>\n<meta property=\"og:site_name\" content=\"Argyris Kalogeratos\" \/>\n<meta property=\"article:modified_time\" content=\"2025-03-18T12:08:07+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/kalogeratos.com\\\/psite\\\/publications\\\/phd-thesis\\\/\",\"url\":\"https:\\\/\\\/kalogeratos.com\\\/psite\\\/publications\\\/phd-thesis\\\/\",\"name\":\"\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/kalogeratos.com\\\/psite\\\/#website\"},\"datePublished\":\"2013-04-26T12:45:26+00:00\",\"dateModified\":\"2025-03-18T12:08:07+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/kalogeratos.com\\\/psite\\\/publications\\\/phd-thesis\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/kalogeratos.com\\\/psite\\\/publications\\\/phd-thesis\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/kalogeratos.com\\\/psite\\\/publications\\\/phd-thesis\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/kalogeratos.com\\\/psite\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Publications\",\"item\":\"https:\\\/\\\/kalogeratos.com\\\/psite\\\/publications\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"PhD Thesis\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/kalogeratos.com\\\/psite\\\/#website\",\"url\":\"https:\\\/\\\/kalogeratos.com\\\/psite\\\/\",\"name\":\"Argyris Kalogeratos\",\"description\":\"Senior Research Scientist \\\/\\\/ PhD Computer Science \\\/\\\/ Machine Learning\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/kalogeratos.com\\\/psite\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Argyris Kalogeratos","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/kalogeratos.com\/psite\/publications\/phd-thesis\/","og_locale":"en_US","og_type":"article","og_description":"&#8220;Knowledge Extraction Methods from Document Collections&#8221; PhD thesis (in English), Computer Science Department, University of Ioannina, Greece. Thesis Supervisor: Aristidis Likas Keywords: Clustering, high-dimensional and sparse data, cluster analysis, estimation of the number of clusters, text documents, text semantics, data representation, cluster representation. Received on April 2013. Thesis [pdf][bib] Defended on April 17, 2013.","og_url":"https:\/\/kalogeratos.com\/psite\/publications\/phd-thesis\/","og_site_name":"Argyris Kalogeratos","article_modified_time":"2025-03-18T12:08:07+00:00","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/kalogeratos.com\/psite\/publications\/phd-thesis\/","url":"https:\/\/kalogeratos.com\/psite\/publications\/phd-thesis\/","name":"","isPartOf":{"@id":"https:\/\/kalogeratos.com\/psite\/#website"},"datePublished":"2013-04-26T12:45:26+00:00","dateModified":"2025-03-18T12:08:07+00:00","breadcrumb":{"@id":"https:\/\/kalogeratos.com\/psite\/publications\/phd-thesis\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/kalogeratos.com\/psite\/publications\/phd-thesis\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/kalogeratos.com\/psite\/publications\/phd-thesis\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/kalogeratos.com\/psite\/"},{"@type":"ListItem","position":2,"name":"Publications","item":"https:\/\/kalogeratos.com\/psite\/publications\/"},{"@type":"ListItem","position":3,"name":"PhD Thesis"}]},{"@type":"WebSite","@id":"https:\/\/kalogeratos.com\/psite\/#website","url":"https:\/\/kalogeratos.com\/psite\/","name":"Argyris Kalogeratos","description":"Senior Research Scientist \/\/ PhD Computer Science \/\/ Machine Learning","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/kalogeratos.com\/psite\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/kalogeratos.com\/psite\/wp-json\/wp\/v2\/pages\/232","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kalogeratos.com\/psite\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/kalogeratos.com\/psite\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/kalogeratos.com\/psite\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kalogeratos.com\/psite\/wp-json\/wp\/v2\/comments?post=232"}],"version-history":[{"count":0,"href":"https:\/\/kalogeratos.com\/psite\/wp-json\/wp\/v2\/pages\/232\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/kalogeratos.com\/psite\/wp-json\/wp\/v2\/pages\/17"}],"wp:attachment":[{"href":"https:\/\/kalogeratos.com\/psite\/wp-json\/wp\/v2\/media?parent=232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}