{"id":2006,"date":"2026-04-15T14:24:25","date_gmt":"2026-04-15T12:24:25","guid":{"rendered":"https:\/\/exdigit.plus.ac.at\/?p=2006"},"modified":"2026-04-15T14:29:01","modified_gmt":"2026-04-15T12:29:01","slug":"hattrick-at-a-rated-umap-2026","status":"publish","type":"post","link":"https:\/\/exdigit.plus.ac.at\/en\/hattrick-at-a-rated-umap-2026\/","title":{"rendered":"Hattrick at A-rated UMAP 2026"},"content":{"rendered":"<p>Three full papers, co-authored by EXDIGIT professor <a href=\"https:\/\/exdigit.plus.ac.at\/en\/exdigitteam\/\" target=\"_blank\" rel=\"noopener\">Christine Bauer<\/a>, have been accepted at the upcoming A-rated UMAP 2026 conference (User Modeling, Adaptation, and Personalization). These works span PhD student-led work with Utrecht University and an industry collaboration with DPG Media.<\/p>\n<p>Key themes<br \/>\n\u2022 PhD student-led research on modeling preference heterogeneity:<br \/>\nLed by Anouk van Kasteren, co-supervised with Judith Masthoff, and in collaboration with PhD candidate Marloes Vredenborg (all <a href=\"https:\/\/www.uu.nl\/\" target=\"_blank\" rel=\"noopener\">Utrecht University<\/a>), this paper models preference heterogeneity for context-aware decision support during public transport disruptions, exploring how situational factors shape preferences and choices under real-world conditions.<\/p>\n<p>\u2022 PhD student-led study on tone in recommendation explanations: Led by Marloes Vredenborg, co-supervised with Judith Masthoff and Marit Bentvelzen (all Utrecht University), this paper shows how situational context\u2014especially urgency\u2014shapes user preferences for explanation tone. It introduces a generalizable methodology for studying and designing context- and tone-aware explanations and, in the public-transport domain, offers qualitative insights into users\u2019 needs and a validated set of explanation tones.<\/p>\n<p>\u2022 Industry collaboration (<a href=\"https:\/\/www.dpgmediagroup.com\/\" target=\"_blank\" rel=\"noopener\">DPG Media<\/a>) on news recommender diversification: Co-authored with Robin Verachtert and Kim Falk (DPG Media), this paper reports a large-scale comparison of three diversification methods deployed on NU.nl (a Dutch online newspaper)\u2014interleaving and two intra-list diversification (ILD) variants (TF-IDF, BERT). In the deployment on NU.nl, ILD with BERT reduced intra-list similarity, increased click-through rates, and improved perceived relevance\u2014aligning diversification with editorial goals.<br \/>\nLearn more<\/p>\n<p>UMAP 2026: https:\/\/www.um.org\/umap2026\/<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Three full papers, co-authored by EXDIGIT professor Christine Bauer, have been accepted at the upcoming A-rated UMAP 2026 conference (User Modeling, Adaptation, and Personalization). These works span PhD student-led work with Utrecht University and an industry collaboration with DPG Media. Key themes \u2022 PhD student-led research on modeling preference heterogeneity: Led by Anouk van Kasteren, [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2009,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19,17],"tags":[],"class_list":["post-2006","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-exdigit-en","category-exdigit-aktiv-en"],"acf":[],"_links":{"self":[{"href":"https:\/\/exdigit.plus.ac.at\/en\/wp-json\/wp\/v2\/posts\/2006","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exdigit.plus.ac.at\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exdigit.plus.ac.at\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exdigit.plus.ac.at\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/exdigit.plus.ac.at\/en\/wp-json\/wp\/v2\/comments?post=2006"}],"version-history":[{"count":3,"href":"https:\/\/exdigit.plus.ac.at\/en\/wp-json\/wp\/v2\/posts\/2006\/revisions"}],"predecessor-version":[{"id":2012,"href":"https:\/\/exdigit.plus.ac.at\/en\/wp-json\/wp\/v2\/posts\/2006\/revisions\/2012"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/exdigit.plus.ac.at\/en\/wp-json\/wp\/v2\/media\/2009"}],"wp:attachment":[{"href":"https:\/\/exdigit.plus.ac.at\/en\/wp-json\/wp\/v2\/media?parent=2006"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exdigit.plus.ac.at\/en\/wp-json\/wp\/v2\/categories?post=2006"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exdigit.plus.ac.at\/en\/wp-json\/wp\/v2\/tags?post=2006"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}