{"id":1828,"date":"2026-09-20T10:24:51","date_gmt":"2026-09-20T10:24:51","guid":{"rendered":"https:\/\/www.stefan-wagenpfeil.de\/information-retrieval\/"},"modified":"2026-09-20T10:44:32","modified_gmt":"2026-09-20T10:44:32","slug":"information-retrieval","status":"publish","type":"page","link":"https:\/\/www.stefan-wagenpfeil.de\/en\/information-retrieval\/","title":{"rendered":"Course: Information Retrieval"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">During the winter semester, the FernUniversit\u00e4t Hagen will offer the course &#8220;Information Retrieval&#8221; (course number 63415), which I have the privilege of teaching as an adjunct instructor in the Multimedia and Internet Applications department.  <\/p>\n\n<p class=\"wp-block-paragraph\">Registered users can find all the relevant information in the FUH learning environment (<a href=\"https:\/\/moodle.fernuni-hagen.de\/course\/view.php?id=6565\">https:\/\/moodle.fernuni-hagen.de\/course\/view.php?id=6565<\/a>). Nevertheless, I think it\u2019s important to include a few resources here as well for anyone interested in the topic. Below, you\u2019ll find the course videos for each lesson.  <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Chapter 1 &#8211; Introduction<\/strong><\/p>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video\"><video controls=\"\" src=\"http:\/\/www.stefan-wagenpfeil.de\/public\/video\/FUH_1879_L1_1_Web.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video\"><video controls=\"\" src=\"http:\/\/www.stefan-wagenpfeil.de\/public\/video\/FUH_1879_L1_2_Web.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video\"><video controls=\"\" src=\"http:\/\/www.stefan-wagenpfeil.de\/public\/video\/FUH_1879_L1_3_Web.mp4\"><\/video><\/figure>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video\"><video controls=\"\" src=\"http:\/\/www.stefan-wagenpfeil.de\/public\/video\/FUH_1879_L1_4_Web.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\"><strong>Chapter 2 &#8211; Index and Indexing<\/strong><\/p>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video\"><video controls=\"\" src=\"http:\/\/www.stefan-wagenpfeil.de\/public\/video\/FUH_1879_L2_1_Web.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\"><strong>Chapter 3 &#8211; Exact &amp; Best Match Methods<\/strong><\/p>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video\"><video controls=\"\" src=\"http:\/\/www.stefan-wagenpfeil.de\/public\/video\/FUH_1879_L3_1_Web.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video\"><video controls=\"\" src=\"http:\/\/www.stefan-wagenpfeil.de\/public\/video\/FUH_1879_L3_2_Web.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\"><strong>Chapter 4 &#8211; Precision &amp; Recall, Evaluation<\/strong><\/p>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video\"><video controls=\"\" src=\"http:\/\/www.stefan-wagenpfeil.de\/public\/video\/FUH_1879_L4_1_Web.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video\"><video controls=\"\" src=\"http:\/\/www.stefan-wagenpfeil.de\/public\/video\/FUH_1879_L4_2_Web.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\"><strong>Chapter 5 &#8211; Distributed Information Retrieval<\/strong><\/p>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video\"><video controls=\"\" src=\"http:\/\/www.stefan-wagenpfeil.de\/public\/video\/FUH_1879_L5_1_Web.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\"><strong>Chapter 6 &#8211; Taxonomies, Thesauri, and Ontologies<\/strong><\/p>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video\"><video controls=\"\" src=\"http:\/\/www.stefan-wagenpfeil.de\/public\/video\/FUH_1879_L6_1_Web.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video\"><video controls=\"\" src=\"http:\/\/www.stefan-wagenpfeil.de\/public\/video\/FUH_1879_L6_2_Web.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\"><strong>Chapter 7 &#8211; Semantics<\/strong><\/p>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video\"><video controls=\"\" src=\"http:\/\/www.stefan-wagenpfeil.de\/public\/video\/FUH_1879_L7_1_Web.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video\"><video controls=\"\" src=\"http:\/\/www.stefan-wagenpfeil.de\/public\/video\/FUH_1879_L7_2_Web.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\">I would also like to take this opportunity to once again mention the book &#8220;Multimedia Information Retrieval&#8221; by Prof. Hemmje and myself, in which those interested can find a comprehensive overview and detailed insights into the topic.  <\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>During the winter semester, the FernUniversit\u00e4t Hagen will offer the course &#8220;Information Retrieval&#8221; (course number 63415), which I have the privilege of teaching as an adjunct instructor in the Multimedia and Internet Applications department. Registered users can find all the <span class=\"readmore\"><a href=\"https:\/\/www.stefan-wagenpfeil.de\/en\/information-retrieval\/\">Continue Reading<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1828","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Course: Information Retrieval - Prof. Dr.-Ing. Stefan Wagenpfeil<\/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:\/\/www.stefan-wagenpfeil.de\/en\/information-retrieval\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Course: Information Retrieval - Prof. Dr.-Ing. Stefan Wagenpfeil\" \/>\n<meta property=\"og:description\" content=\"During the winter semester, the FernUniversit\u00e4t Hagen will offer the course &#8220;Information Retrieval&#8221; (course number 63415), which I have the privilege of teaching as an adjunct instructor in the Multimedia and Internet Applications department. Registered users can find all the Continue Reading\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.stefan-wagenpfeil.de\/en\/information-retrieval\/\" \/>\n<meta property=\"og:site_name\" content=\"Prof. Dr.-Ing. Stefan Wagenpfeil\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-20T10:44:32+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.stefan-wagenpfeil.de\\\/en\\\/information-retrieval\\\/\",\"url\":\"https:\\\/\\\/www.stefan-wagenpfeil.de\\\/en\\\/information-retrieval\\\/\",\"name\":\"Course: Information Retrieval - Prof. Dr.-Ing. Stefan Wagenpfeil\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.stefan-wagenpfeil.de\\\/en\\\/#website\"},\"datePublished\":\"2026-09-20T10:24:51+00:00\",\"dateModified\":\"2026-09-20T10:44:32+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.stefan-wagenpfeil.de\\\/en\\\/information-retrieval\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.stefan-wagenpfeil.de\\\/en\\\/information-retrieval\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.stefan-wagenpfeil.de\\\/en\\\/information-retrieval\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/www.stefan-wagenpfeil.de\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Course: Information Retrieval\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.stefan-wagenpfeil.de\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.stefan-wagenpfeil.de\\\/en\\\/\",\"name\":\"Prof. Dr.-Ing. Stefan Wagenpfeil\",\"description\":\"Software Engineering | IT-Management | Gutachter f\u00fcr Informatik\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.stefan-wagenpfeil.de\\\/en\\\/?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":"Course: Information Retrieval - Prof. Dr.-Ing. Stefan Wagenpfeil","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:\/\/www.stefan-wagenpfeil.de\/en\/information-retrieval\/","og_locale":"en_US","og_type":"article","og_title":"Course: Information Retrieval - Prof. Dr.-Ing. Stefan Wagenpfeil","og_description":"During the winter semester, the FernUniversit\u00e4t Hagen will offer the course &#8220;Information Retrieval&#8221; (course number 63415), which I have the privilege of teaching as an adjunct instructor in the Multimedia and Internet Applications department. Registered users can find all the Continue Reading","og_url":"https:\/\/www.stefan-wagenpfeil.de\/en\/information-retrieval\/","og_site_name":"Prof. Dr.-Ing. Stefan Wagenpfeil","article_modified_time":"2026-09-20T10:44:32+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.stefan-wagenpfeil.de\/en\/information-retrieval\/","url":"https:\/\/www.stefan-wagenpfeil.de\/en\/information-retrieval\/","name":"Course: Information Retrieval - Prof. Dr.-Ing. Stefan Wagenpfeil","isPartOf":{"@id":"https:\/\/www.stefan-wagenpfeil.de\/en\/#website"},"datePublished":"2026-09-20T10:24:51+00:00","dateModified":"2026-09-20T10:44:32+00:00","breadcrumb":{"@id":"https:\/\/www.stefan-wagenpfeil.de\/en\/information-retrieval\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.stefan-wagenpfeil.de\/en\/information-retrieval\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.stefan-wagenpfeil.de\/en\/information-retrieval\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Startseite","item":"https:\/\/www.stefan-wagenpfeil.de\/en\/"},{"@type":"ListItem","position":2,"name":"Course: Information Retrieval"}]},{"@type":"WebSite","@id":"https:\/\/www.stefan-wagenpfeil.de\/en\/#website","url":"https:\/\/www.stefan-wagenpfeil.de\/en\/","name":"Prof. Dr.-Ing. Stefan Wagenpfeil","description":"Software Engineering | IT-Management | Gutachter f\u00fcr Informatik","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.stefan-wagenpfeil.de\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.stefan-wagenpfeil.de\/en\/wp-json\/wp\/v2\/pages\/1828","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stefan-wagenpfeil.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.stefan-wagenpfeil.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.stefan-wagenpfeil.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stefan-wagenpfeil.de\/en\/wp-json\/wp\/v2\/comments?post=1828"}],"version-history":[{"count":7,"href":"https:\/\/www.stefan-wagenpfeil.de\/en\/wp-json\/wp\/v2\/pages\/1828\/revisions"}],"predecessor-version":[{"id":1847,"href":"https:\/\/www.stefan-wagenpfeil.de\/en\/wp-json\/wp\/v2\/pages\/1828\/revisions\/1847"}],"wp:attachment":[{"href":"https:\/\/www.stefan-wagenpfeil.de\/en\/wp-json\/wp\/v2\/media?parent=1828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}