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Interact."],"published-print":{"date-parts":[[2025,5,2]]},"abstract":"<jats:p>\n            Emotional support is a crucial aspect of communication between community members and police dispatchers during incident reporting. However, there is a lack of understanding about how emotional support is delivered through text-based systems, especially in various non-emergency contexts. In this study, we analyzed two years of chat logs comprising 57,114 messages across 8,239 incidents from 130 higher education institutions. Our empirical findings revealed significant variations in emotional support provided by dispatchers, influenced by the type of incident, service time, and a noticeable decline in support over time across multiple organizations. To improve the consistency and quality of emotional support, we developed and implemented a fine-tuned Large Language Model (LLM), named\n            <jats:italic toggle=\"yes\">dispatcherLLM,<\/jats:italic>\n            designed to suggest replies through simulating human dispatchers' languages with appropriate emotional support. We evaluated\n            <jats:italic toggle=\"yes\">dispatcherLLM<\/jats:italic>\n            by comparing its generated responses to those of human dispatchers and other off-the-shelf models using real chat messages. Additionally, we conducted a human evaluation to assess the perceived effectiveness of the support provided by\n            <jats:italic toggle=\"yes\">dispatcherLLM.<\/jats:italic>\n            This study not only contributes new empirical understandings of emotional support in text-based dispatch systems but also demonstrates the significant potential of generative AI in improving service delivery.\n          <\/jats:p>","DOI":"10.1145\/3711012","type":"journal-article","created":{"date-parts":[[2025,5,3]],"date-time":"2025-05-03T01:35:05Z","timestamp":1746236105000},"page":"1-31","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":5,"title":["Improving Emotional Support Delivery in Text-Based Community Safety Reporting Using Large Language Models"],"prefix":"10.1145","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1507-0303","authenticated-orcid":false,"given":"Yiren","family":"Liu","sequence":"first","affiliation":[{"name":"Informatics, University of Illinois Urbana-Champaign, Champaign, IL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-3619-6572","authenticated-orcid":false,"given":"Yerong","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Computer Science, University of Illinois Urbana-Champaign, Champaign, IL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2424-3352","authenticated-orcid":false,"given":"Ryan","family":"Mayfield","sequence":"additional","affiliation":[{"name":"LiveSafe, Inc., Seattle, WA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0399-8032","authenticated-orcid":false,"given":"Yun","family":"Huang","sequence":"additional","affiliation":[{"name":"School of Information Sciences, University of Illinois Urbana-Champaign, Champaign, IL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2025,5,2]]},"reference":[{"key":"e_1_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1145\/2556288.2557376"},{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1145\/2556288.2557376"},{"key":"e_1_2_1_3_1","volume-title":"The modern call center: A multi-disciplinary perspective on operations management research. 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