{"id":30176,"date":"2024-10-10T08:40:28","date_gmt":"2024-10-10T08:40:28","guid":{"rendered":"https:\/\/direc.dk\/naar-big-data-svigter-itu-forsker-afsloerer-huller-i-mobilitetsdata\/"},"modified":"2024-12-13T14:53:55","modified_gmt":"2024-12-13T14:53:55","slug":"naar-big-data-svigter-itu-forsker-afsloerer-huller-i-mobilitetsdata","status":"publish","type":"post","link":"https:\/\/direc.dk\/da\/naar-big-data-svigter-itu-forsker-afsloerer-huller-i-mobilitetsdata\/","title":{"rendered":"N\u00e5r big data svigter: ITU-forsker afsl\u00f8rer huller i mobilitetsdata"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"30176\" class=\"elementor elementor-30176 elementor-30168\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-2b3a80cc elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"2b3a80cc\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f2d63bf\" data-id=\"f2d63bf\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-inner-section elementor-element elementor-element-7280e77a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7280e77a\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-7f03d27f elementor-hidden-mobile\" data-id=\"7f03d27f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4d4022a6 elementor-invisible elementor-widget elementor-widget-button\" data-id=\"4d4022a6\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:&quot;200&quot;,&quot;_animation_mobile&quot;:&quot;none&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Til nyheder<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-3945bebb\" data-id=\"3945bebb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2241d287 elementor-widget elementor-widget-text-editor\" data-id=\"2241d287\" data-element_type=\"widget\" data-e-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\t\t<p>10. oktober 2024<\/p>\n\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-inner-section elementor-element elementor-element-7c9afa65 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7c9afa65\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-7d1f540\" data-id=\"7d1f540\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-61ea7309 animated-fast elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"61ea7309\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">N\u00e5r big data svigter: ITU-forsker afsl\u00f8rer huller i mobilitetsdata <\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-392a4563 elementor-widget elementor-widget-text-editor\" data-id=\"392a4563\" data-element_type=\"widget\" data-e-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\t\t<p>Data fra GPSer og telefonmaster har f\u00e5et stor betydning for, hvordan vi indretter vores samfund. Men de digitale fodaftryk rummer markante sk\u00e6vheder, som favoriserer nogle samfundsgrupper over andre. I et nyt projekt st\u00f8ttet af DIREC vil ITU-lektor Vedran Sekara g\u00f8re op med bias i mobilitetsdata. <\/p>\n\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-inner-section elementor-element elementor-element-629e9e37 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"629e9e37\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-381dacc8\" data-id=\"381dacc8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4f268520 elementor-widget elementor-widget-image\" data-id=\"4f268520\" data-element_type=\"widget\" data-e-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 fetchpriority=\"high\" decoding=\"async\" width=\"1920\" height=\"1082\" src=\"https:\/\/direc.dk\/wp-content\/uploads\/2024\/08\/Huller-i-mobilitetsdata_nyhed.jpg\" class=\"attachment-full size-full wp-image-30172\" alt=\"\" srcset=\"https:\/\/direc.dk\/wp-content\/uploads\/2024\/08\/Huller-i-mobilitetsdata_nyhed.jpg 1920w, https:\/\/direc.dk\/wp-content\/uploads\/2024\/08\/Huller-i-mobilitetsdata_nyhed-300x169.jpg 300w, https:\/\/direc.dk\/wp-content\/uploads\/2024\/08\/Huller-i-mobilitetsdata_nyhed-1024x577.jpg 1024w, https:\/\/direc.dk\/wp-content\/uploads\/2024\/08\/Huller-i-mobilitetsdata_nyhed-768x433.jpg 768w, https:\/\/direc.dk\/wp-content\/uploads\/2024\/08\/Huller-i-mobilitetsdata_nyhed-1536x866.jpg 1536w, https:\/\/direc.dk\/wp-content\/uploads\/2024\/08\/Huller-i-mobilitetsdata_nyhed-1200x676.jpg 1200w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-inner-section elementor-element elementor-element-4ab40f4e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4ab40f4e\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-2472d912\" data-id=\"2472d912\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-98ddf4c elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"98ddf4c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Om du er p\u00e5 vej til arbejde eller flygter fra hungersn\u00f8d. I en tid, hvor rejsekort og smarte mobiltelefoner efterlader digitale spor, bliver mobilitetsdata brugt til at give vigtige indsigter i menneskers bev\u00e6gelser. <\/p>\n<p>Digital infrastruktur s\u00e5 som telefoner og rejsekort kan pinge telemaster og GPS-satellitter, og derfor er mobilitetsdata er blevet et kraftfuldt v\u00e6rkt\u00f8j for beslutningstagere, byplanl\u00e6ggere og sundhedsmyndigheder. Men hvad hvis disse digitale kort over menneskelig aktivitet kun fort\u00e6ller historien om nogle grupper \u2013 og overser andre? <\/p>\n<p>Det er det centrale sp\u00f8rgsm\u00e5l, som Vedran Sekara, lektor ved IT-Universitetet i K\u00f8benhavn har stillet sig selv. Det seneste \u00e5r har han med st\u00f8tte fra Digital Research Centre Denmark (DIREC) unders\u00f8gt emnet med forskningsprojektet \u201cUnderstanding Biases and Diversity of Big Data used for Mobility Analysis\u201d. <\/p>\n<h5>Den skjulte ulighed i data <\/h5>\n<p>Mobilitetsdata bruges i dag til alt fra byplanl\u00e6gning over epidemi-tracking til katastrofeh\u00e5ndtering. Men der er alarmerende sk\u00e6vheder i algoritmerne, som Vedran Sekara \u00f8nsker at korrigere. <\/p>\n<p>If\u00f8lge forskeren er der bias i de fleste mobilitetsdata. I nogle datas\u00e6t har han fundet frem til, at halvdelen af den brugte mobilitetsdata er genereret af de 20 procent rigeste mennesker, og kun fem procent kommer fra de 20 procent fattigste. <\/p>\n<p>&#8220;Der er klare m\u00f8nstre i, hvem der ejer smartphones. Det er oftest rige, m\u00e6nd og h\u00f8jere uddannede. Kvinder, \u00e6ldre, og b\u00f8rn er derfor markant underrepr\u00e6senterede i de mobilitetsdata, der bliver indsamlet via telefoner. P\u00e5 trods af sk\u00e6vheden bliver disse data brugt til at indrette vores samfund,&#8221; siger Vedran Sekara. <\/p>\n<p>Sk\u00e6vheden i mobilitetsdata er ikke blot en akademisk bekymring. Den har reelle konsekvenser for, hvordan ressourcer fordeles. <\/p>\n<p>&#8220;Der er stor risiko for, at vi fokuserer vores kr\u00e6fter p\u00e5 at hj\u00e6lpe dem, der genererer mest data og som oftest er de rigeste og st\u00e6rkeste i samfundet, mens de fattige bliver ignoreret. Under jordsk\u00e6lv eller epidemier har vi set, at fattige regioner er d\u00e5rligere d\u00e6kket af data, som s\u00e5 risikerer at f\u00e5 d\u00e5rligere adgang til ressourcer end rige mennesker, fordi vi har bedre data for de rige og derfor sender mere hj\u00e6lp til d\u00e9r, hvor de er,&#8221; siger Vedran Sekara. <\/p>\n<h5>Jagten p\u00e5 en l\u00f8sning<\/h5>\n<p>I sit forskningsprojekt arbejder Vedran Sekara og hans team p\u00e5 at udvikle nye algoritmer, der kan korrigere sk\u00e6vhederne. Men opgaven har vist sig at v\u00e6re meget kompleks. <\/p>\n<p>\u201cVi fandt frem til, at hvis vi \u00f8nsker at korrigere sk\u00e6vhederne, er vi n\u00f8dt til at lave specifikke modeller for hvert lokalomr\u00e5de. Hvert omr\u00e5de har sine egne biases, og det betyder, at vi ikke altid kan bruge de samme algoritmer til at korrigere resultaterne,\u201d siger Vedran Sekara. <\/p>\n<p>Med DIRECs st\u00f8tte p\u00e5 500.000 kroner har Vedran og hans team skrevet flere artikler om emnet. Samtidig har projektet \u00e5bnet muligheden for at s\u00f8ge flere midler, der kan muligg\u00f8re endnu mere forskning om bias i mobilitetsdata. <\/p>\n<p>&#8220;DIRECs st\u00f8tte har v\u00e6ret enormt vigtig. De har givet funding til at unders\u00f8ge problemet p\u00e5 en lille skala, s\u00e5 vi i fremtiden kan lave endnu st\u00f8rre projekter. DIREC har virkelig v\u00e6ret en katalysator for at f\u00e5 det hele i gang,&#8221; slutter Vedran Sekara. <\/p>\n<p>Alle data, som bruges i Vedran Sekaras forskning, er pseudonymiseret og lever s\u00e5ledes op til b\u00e5de den europ\u00e6iske og amerikanske datalovgivning. <\/p>\n<p>L\u00e6s mere om projektet <a href=\"https:\/\/direc.dk\/da\/understanding-biases-and-diversity-of-big-data-used-for-mobility-analysis\/\">her<\/a>. <\/p>\n\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p><b>10. oktober 2024<\/b><br \/>\nData fra GPSer og telefonmaster har f\u00e5et stor betydning for, hvordan vi indretter vores samfund. Men de digitale fodaftryk rummer markante sk\u00e6vheder, som favoriserer nogle samfundsgrupper over andre. I et nyt projekt st\u00f8ttet af DIREC vil ITU-lektor Vedran Sekara g\u00f8re op med bias i mobilitetsdata. <\/p>\n","protected":false},"author":3,"featured_media":30172,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[178,31],"tags":[163],"class_list":["post-30176","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurity-da","category-nyheder","tag-p25-da"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>N\u00e5r big data svigter: ITU-forsker afsl\u00f8rer huller i mobilitetsdata - DIREC<\/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:\/\/direc.dk\/da\/naar-big-data-svigter-itu-forsker-afsloerer-huller-i-mobilitetsdata\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"N\u00e5r big data svigter: ITU-forsker afsl\u00f8rer huller i mobilitetsdata - DIREC\" \/>\n<meta property=\"og:description\" content=\"10. oktober 2024 Data fra GPSer og telefonmaster har f\u00e5et stor betydning for, hvordan vi indretter vores samfund. 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