{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,16]],"date-time":"2026-07-16T05:16:41Z","timestamp":1784179001393,"version":"3.55.0"},"reference-count":17,"publisher":"Association for Computing Machinery (ACM)","issue":"2","content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":["SIGIR Forum"],"published-print":{"date-parts":[[2025,12,1]]},"abstract":"<jats:p>This paper is a report of the Workshop on Simulations for Information Access (Sim4IA) workshop at SIGIR 2025. We present the outcome of the keynote and panel discussion, the four invited tech talks, as well as the shared task overview and participants' presentations, along with the corresponding breakout discussions. We report on how we organized the workshop, provide a brief overview of what happened at the workshop, and summarize the main topics and findings of the workshop, as well as future work.<\/jats:p>\n                  <jats:p>\n                    <jats:bold>Date:<\/jats:bold>\n                    17 July 2025.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Website:<\/jats:bold>\n                    https:\/\/sim4ia.org\/sigir2025.\n                  <\/jats:p>","DOI":"10.1145\/3799914.3799927","type":"journal-article","created":{"date-parts":[[2026,3,4]],"date-time":"2026-03-04T18:19:03Z","timestamp":1772648343000},"page":"1-15","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":3,"title":["Report on the Second Workshop on Simulations for Information Access (Sim4IA 2025) at SIGIR 2025"],"prefix":"10.1145","volume":"59","author":[{"given":"Philipp","family":"Schaer","sequence":"first","affiliation":[{"name":"TH K\u00f6ln, Cologne, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christin Katharina","family":"Kreutz","sequence":"additional","affiliation":[{"name":"TH Mittelhessen, Gie\u00dfen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Krisztian","family":"Balog","sequence":"additional","affiliation":[{"name":"University of Stavanger, Stavanger, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Timo","family":"Breuer","sequence":"additional","affiliation":[{"name":"TH K\u00f6ln, Cologne, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andreas","family":"Kruff","sequence":"additional","affiliation":[{"name":"TH K\u00f6ln, Cologne, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohammad","family":"Aliannejadi","sequence":"additional","affiliation":[{"name":"University of Amsterdam, Amsterdam, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christine","family":"Bauer","sequence":"additional","affiliation":[{"name":"University of Salzburg, Salzburg, Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nolwenn","family":"Bernard","sequence":"additional","affiliation":[{"name":"TH K\u00f6ln, Cologne, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicola","family":"Ferro","sequence":"additional","affiliation":[{"name":"University of Padua, Padua, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marcel","family":"Gohsen","sequence":"additional","affiliation":[{"name":"Bauhaus-Universit\u00e4t Weimar, Weimar, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nurul","family":"Lubis","sequence":"additional","affiliation":[{"name":"Heinrich Heine University D\u00fcsseldorf, D\u00fcsseldorf, Germany;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Saber","family":"Zerhoudi","sequence":"additional","affiliation":[{"name":"University of Passau, Passau, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2026,3,4]]},"reference":[{"key":"e_1_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1145\/3539597.3573029"},{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1145\/3673791.3698427"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1145\/3583780.3615296"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.4230\/DagRep.14.8.53"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","unstructured":"Christine Bauer Li Chen Nicola Ferro Norbert Fuhr Avishek Anand Timo Breuer Guglielmo Faggioli Ophir Frieder Hideo Joho Jussi Karlgren Johannes Kiesel Bart P. 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URL https:\/\/arxiv.org\/abs\/2512.04588."},{"key":"e_1_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1145\/3722449.3722460"},{"key":"e_1_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1145\/3640457.3688163"},{"key":"e_1_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-031-28241-6_20"},{"key":"e_1_2_1_10_1","doi-asserted-by":"crossref","unstructured":"Marcel Gohsen Zahra Abbasiantaeb Mohammad Aliannejadi Krisztian Balog Timo Breuer Jeffrey Dalton Maik Fr\u00f6be Christin Katharina Kreutz Andreas Kruff Simon Lupart Nailia Mirzakhmedova Harriscen Scells Philipp Schaer Benno Stein and Johannes Kiesel. User simulation in practice: Lessons learned from three shared tasks. SIGIR Forum 59(2) 2025.","DOI":"10.1145\/3799914.3799917"},{"key":"e_1_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-032-04354-2_25"},{"key":"e_1_2_1_12_1","volume-title":"Timo Breuer, Philipp Schaer, and Krisztian Balog. 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