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Stance has been usually addressed by considering users posts in isolation, while social studies highlight that social communities may contribute to influence users\u2019 opinion. Furthermore, stance should be studied in a diachronic perspective, since it could help to shed light on users\u2019 opinion shift dynamics that can be recorded during the debate. We analyzed the political discussion in UK about the BREXIT referendum on Twitter, proposing a novel approach and annotation schema for stance detection, with the main aim of investigating the role of features related to social network community and diachronic stance evolution. Classification experiments show that such features provide very useful clues for detecting stance.<\/jats:p>","DOI":"10.3233\/jifs-179895","type":"journal-article","created":{"date-parts":[[2020,7,28]],"date-time":"2020-07-28T15:05:02Z","timestamp":1595948702000},"page":"2341-2352","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":9,"title":["#Brexit: Leave or remain? the role of user\u2019s community and diachronic evolution on stance detection"],"prefix":"10.1177","volume":"39","author":[{"given":"Mirko","family":"Lai","sequence":"first","affiliation":[{"name":"Dipartimento di Informatica, Universit\u00e0 degli Studi di Torino, C.so Svizzera 185, Turin, 10149, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Viviana","family":"Patti","sequence":"additional","affiliation":[{"name":"Dipartimento di Informatica, Universit\u00e0 degli Studi di Torino, C.so Svizzera 185, Turin, 10149, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Giancarlo","family":"Ruffo","sequence":"additional","affiliation":[{"name":"Dipartimento di Informatica, Universit\u00e0 degli Studi di Torino, C.so Svizzera 185, Turin, 10149, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paolo","family":"Rosso","sequence":"additional","affiliation":[{"name":"PRHLT Research Center, Universitat Polit\u00e8cnica de Val\u00e8ncia, Camino de Vera s\/n. 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