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However, mediation is hard to implement manually, as it requires summarizing complex discussions with a full grasp of both content and the Wikipedia community's culture. One potential solution is delegating this task to AI-but what content should be included in summaries that mediate and facilitate disagreements? Through a three-phase interview study with 14 Wikipedians, we examined how they read and interpret discussions, create their own summaries, and evaluate large language model (LLM)-generated summaries presented as technology probes. Our findings show that Wikipedians expect summaries to include key discussion elements-usernames, topics, arguments, sources, editor behavior, rule violations, and resolution-with particular emphasis on community-related context that reflects insider understanding. Based on these insights, we apply a new theoretical framework grounded in computer-mediated communication (CMC) theories such as common ground theory, warranting theory, and social presence theory to examine Wikipedians' interpretations of user identity. We also discuss design implications for discussion summaries on Wikipedia talk pages.<\/jats:p>","DOI":"10.1145\/3757681","type":"journal-article","created":{"date-parts":[[2025,10,16]],"date-time":"2025-10-16T17:06:01Z","timestamp":1760634361000},"page":"1-25","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Towards Insider Summarization for Mediation Instead of Moderation: Examining Wikipedian Views on Key Elements of Discussion Summaries"],"prefix":"10.1145","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4832-208X","authenticated-orcid":false,"given":"Soobin","family":"Cho","sequence":"first","affiliation":[{"name":"Human Centered Design &amp; Engineering, University of Washington, Seattle, WA, USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1067-7168","authenticated-orcid":false,"given":"Mark","family":"Zachry","sequence":"additional","affiliation":[{"name":"Human Centered Design &amp; Engineering, University of Washington, Seattle, WA, USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5882-828X","authenticated-orcid":false,"given":"David W.","family":"McDonald","sequence":"additional","affiliation":[{"name":"Human Centered Design &amp; Engineering, University of Washington, Seattle, WA, USA"}]}],"member":"320","published-online":{"date-parts":[[2025,10,16]]},"reference":[{"key":"e_1_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1145\/3411763.3451815"},{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1145\/1718918.1718942"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1609\/icwsm.v2i1.18611"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1145\/1753326.1753542"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1145\/1460563.1460571"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1145\/3610053"},{"key":"e_1_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1037\/10096-006"},{"key":"e_1_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1207\/s15516709cog1302_7"},{"key":"e_1_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1080\/08824096.2011.639913"},{"key":"e_1_2_1_10_1","volume-title":"Proceedings of the 14th International Conference on Human-Computer Interaction (HCII'11)","author":"Derthick Katie","year":"2011","unstructured":"Katie Derthick, Patrick Tsao, Travis Kriplean, Alan Borning, Mark Zachry, and David W. 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