{"id":26943,"date":"2026-09-27T19:57:23","date_gmt":"2026-09-27T17:57:23","guid":{"rendered":"https:\/\/www.itspy.cz\/thesis\/identifikovatelnost-polozek-z-embeddingu-zalozenych-navelkych-jazykovych-modelech-v-doporucovacich-systemech\/"},"modified":"2026-10-23T13:48:22","modified_gmt":"2026-10-23T11:48:22","slug":"identifikovatelnost-polozek-z-embeddingu-zalozenych-navelkych-jazykovych-modelech-v-doporucovacich-systemech","status":"publish","type":"thesis","link":"https:\/\/www.itspy.cz\/sk\/thesis\/identifikovatelnost-polozek-z-embeddingu-zalozenych-navelkych-jazykovych-modelech-v-doporucovacich-systemech\/","title":{"rendered":"Identifikovatelnost polo\u017eek z embedding\u016f zalo\u017een\u00fdch na\nvelk\u00fdch jazykov\u00fdch modelech v doporu\u010dovac\u00edch syst\u00e9mech"},"content":{"rendered":"<p>V na\u0161\u00ed pr\u00e1ci jsme zkoumali, zda jsou \u010d\u00edseln\u00e9 reprezentace<br \/>\n(embeddingy) film\u016f a knih vytvo\u0159en\u00e9 um\u011blou inteligenc\u00ed<br \/>\nskute\u010dn\u011b anonymn\u00ed. Doporu\u010dovac\u00ed syst\u00e9my embeddingy<br \/>\nvyu\u017e\u00edvaj\u00ed p\u0159i doporu\u010dov\u00e1n\u00ed obsahu u\u017eivatel\u016fm, p\u0159i\u010dem\u017e jsou<br \/>\n\u010dasto sd\u00edleny s t\u0159et\u00edmi stranami, pr\u00e1v\u011b s p\u0159edpokladem, \u017ee<br \/>\nsamy o sob\u011b neodhaluj\u00ed, jak\u00e9mu konkr\u00e9tn\u00edmu d\u00edlu n\u00e1le\u017e\u00ed. Na<br \/>\nMovieLens a Goodreads Books datasetech jsme ale uk\u00e1zali, \u017ee<br \/>\nse znalost\u00ed ve\u0159ejn\u011b dostupn\u00fdch informac\u00ed lze embeddingy<br \/>\np\u0159i\u0159adit ke spr\u00e1vn\u00e9mu d\u00edlu s a\u017e 98% p\u0159esnost\u00ed u film\u016f a 84%<br \/>\nu knih i p\u0159i 10 000 polo\u017ek\u00e1ch.<br \/>\nTo p\u0159edstavuje hrozbu pro soukrom\u00ed u\u017eivatel\u016f, jeliko\u017e<br \/>\n\u00fato\u010dn\u00edci takto mohou na z\u00e1klad\u011b \u00fadaj\u016f o jejich aktivit\u011b<br \/>\nodhalit jejich identitu. Na\u0161e v\u00fdsledky a navrhovan\u00e9<br \/>\nprotiopat\u0159en\u00ed tak mohou pomoci p\u0159i n\u00e1vrhu bezpe\u010dn\u011bj\u0161\u00edch<br \/>\ndoporu\u010dovac\u00edch syst\u00e9m\u016f s minim\u00e1ln\u00ed ztr\u00e1tou kvality<br \/>\ndoporu\u010dov\u00e1n\u00ed.<\/p>\n","protected":false},"featured_media":26759,"template":"","meta":{"_acf_changed":false,"_links_to":"","_links_to_target":""},"university":[178,179],"thesis-year":[468],"class_list":["post-26943","thesis","type-thesis","status-publish","has-post-thumbnail","hentry","thesis-year-468"],"acf":{"autor":"Linda Bekov\u00e1","portret":"","vedouci":"Dr. rer. nat. Rodrigo Augusto Da Silva Alves"},"_links":{"self":[{"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/thesis\/26943","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/thesis"}],"about":[{"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/types\/thesis"}],"version-history":[{"count":1,"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/thesis\/26943\/revisions"}],"predecessor-version":[{"id":27108,"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/thesis\/26943\/revisions\/27108"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/media\/26759"}],"wp:attachment":[{"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/media?parent=26943"}],"wp:term":[{"taxonomy":"university","embeddable":true,"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/university?post=26943"},{"taxonomy":"thesis-year","embeddable":true,"href":"https:\/\/www.itspy.cz\/sk\/wp-json\/wp\/v2\/thesis-year?post=26943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}