{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,23]],"date-time":"2026-03-23T18:46:00Z","timestamp":1774291560701,"version":"3.50.1"},"reference-count":64,"publisher":"Association for Computing Machinery (ACM)","issue":"1","content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":["SIGIR Forum"],"published-print":{"date-parts":[[2025,6]]},"abstract":"<jats:p>\n            The Second Search Futures Workshop, in conjunction with the\n            <jats:italic toggle=\"yes\">Forty-seventh European Conference on Information Retrieval (ECIR)<\/jats:italic>\n            2025, looked into the future of search to ask questions such as:\n          <\/jats:p>\n          <jats:p>\n            \u2022\n            <jats:italic toggle=\"yes\">How can we navigate data privacy in large language model (LLM)-based information retrieval (IR)?<\/jats:italic>\n          <\/jats:p>\n          <jats:p>\n            \u2022\n            <jats:italic toggle=\"yes\">How can we implement agentic IR for proactive knowledge synthesis?<\/jats:italic>\n          <\/jats:p>\n          <jats:p>\n            \u2022\n            <jats:italic toggle=\"yes\">How do we ensure trustworthy information access beyond citations in the age of language models?<\/jats:italic>\n          <\/jats:p>\n          <jats:p>\n            \u2022\n            <jats:italic toggle=\"yes\">How does deep search transition from matching to reasoning?<\/jats:italic>\n          <\/jats:p>\n          <jats:p>\n            \u2022\n            <jats:italic toggle=\"yes\">What is meant by information semantics, knowledge representation, and natural language in a world of LLM-powered search?<\/jats:italic>\n          <\/jats:p>\n          <jats:p>\n            \u2022\n            <jats:italic toggle=\"yes\">What are serendipity engines, and how do they explore proactive web search via LLM agents, retrieval augmented generation (RAG), and simulated user feedback?<\/jats:italic>\n          <\/jats:p>\n          <jats:p>The second edition of the workshop opened with ten lightning talks from a diverse group of speakers. Rather than traditional paper presentations, these short talks offered concise overviews of emerging ideas and critical insights, enabling a rapid exchange across various topics. The format was designed to spark discussion and expose participants to a broad spectrum of future-facing research directions in a compact timeframe. This report, co-authored by the workshop organizers, presenters, and participants, summarizes the talks and key discussions. Our aim is to share these insights with the broader IR community and help seed further dialogue around the themes raised.<\/jats:p>\n          <jats:p>\n            <jats:bold>Date:<\/jats:bold>\n            10 April 2025.\n          <\/jats:p>\n          <jats:p>\n            <jats:bold>Website:<\/jats:bold>\n            https:\/\/searchfutures.github.io\/.\n          <\/jats:p>","DOI":"10.1145\/3769733.3769742","type":"journal-article","created":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T16:04:53Z","timestamp":1760112293000},"page":"1-28","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["Report on the 2nd Search Futures Workshop at ECIR 2025"],"prefix":"10.1145","volume":"59","author":[{"given":"Charles L. A.","family":"Clarke","sequence":"first","affiliation":[{"name":"University of Waterloo, Canada"}]},{"given":"Paul","family":"Kantor","sequence":"additional","affiliation":[{"name":"University of Wisconsin Madison, USA"}]},{"given":"Adam","family":"Roegiest","sequence":"additional","affiliation":[{"name":"Zuva, Canada"}]},{"given":"Johanne R.","family":"Trippas","sequence":"additional","affiliation":[{"name":"RMIT University, Australia"}]},{"given":"Zhaochun","family":"Ren","sequence":"additional","affiliation":[{"name":"Leiden University, The Netherlands"}]},{"given":"Maria Sofia","family":"Bucarelli","sequence":"additional","affiliation":[{"name":"Sapienza University of Rome, Italy"}]},{"given":"Xiao","family":"Fu","sequence":"additional","affiliation":[{"name":"University College London, UK"}]},{"given":"Yixing","family":"Fan","sequence":"additional","affiliation":[{"name":"Institute of Computing Technology, China"}]},{"given":"Michael","family":"Granitzer","sequence":"additional","affiliation":[{"name":"University of Passau, Germany"}]},{"given":"David","family":"Graus","sequence":"additional","affiliation":[{"name":"University of Amsterdam, The Netherlands"}]},{"given":"Maria","family":"Heuss","sequence":"additional","affiliation":[{"name":"University of Amsterdam, The Netherlands"}]},{"given":"Jaap","family":"Kamps","sequence":"additional","affiliation":[{"name":"University of Amsterdam, The Netherlands"}]},{"given":"Yibin","family":"Lei","sequence":"additional","affiliation":[{"name":"University of Amsterdam, The Netherlands"}]},{"given":"Andrew","family":"Parry","sequence":"additional","affiliation":[{"name":"University of Glasgow, UK"}]},{"given":"Damiaan","family":"Reijnaers","sequence":"additional","affiliation":[{"name":"University of Amsterdam, The Netherlands"}]},{"given":"Maarten","family":"de Rijke","sequence":"additional","affiliation":[{"name":"University of Amsterdam, The Netherlands"}]},{"given":"Siddharth A. K.","family":"Singh","sequence":"additional","affiliation":[{"name":"University of Amsterdam, The Netherlands"}]},{"given":"Yubao","family":"Tang","sequence":"additional","affiliation":[{"name":"University of Amsterdam, The Netherlands"}]},{"given":"Suzan","family":"Verberne","sequence":"additional","affiliation":[{"name":"Leiden University, The Netherlands"}]},{"given":"Jonas","family":"Wallat","sequence":"additional","affiliation":[{"name":"L3S Research Center, Germany"}]},{"given":"Yumeng","family":"Wang","sequence":"additional","affiliation":[{"name":"Leiden University, The Netherlands"}]},{"given":"Chen","family":"Xu","sequence":"additional","affiliation":[{"name":"Renmin University of China, China"}]},{"given":"Andrew","family":"Yates","sequence":"additional","affiliation":[{"name":"Johns Hopkins University, USA"}]},{"given":"Saber","family":"Zerhoudi","sequence":"additional","affiliation":[{"name":"University of Passau, Germany"}]},{"given":"Jujia","family":"Zhao","sequence":"additional","affiliation":[{"name":"Leiden University, The Netherlands"}]}],"member":"320","published-online":{"date-parts":[[2025,10,10]]},"reference":[{"key":"e_1_2_1_1_1","volume-title":"Multi-stakeholder recommendation and its connection to multi-sided fairness. arXiv preprint arXiv:1907.13158","author":"Abdollahpouri Himan","year":"2019","unstructured":"Himan Abdollahpouri and Robin Burke. 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