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With rich user information on the network, such as user published content and user diffusion links, we characterize a community in terms of both its internal content profile and external diffusion profile. The difficulty of community profiling is often underestimated. We novelly identify three unique challenges and propose a joint Community Profiling and Detection (CPD) model to address them accordingly. We also contribute a scalable inference algorithm, which scales linearly with the data size and it is easily parallelizable. We evaluate CPD on large-scale real-world data sets, and show that it is significantly better than the state-of-the-art baselines in various tasks.<\/jats:p>","DOI":"10.14778\/3067421.3067430","type":"journal-article","created":{"date-parts":[[2017,5,12]],"date-time":"2017-05-12T12:17:14Z","timestamp":1494591434000},"page":"817-828","source":"Crossref","is-referenced-by-count":32,"title":["From community detection to community profiling"],"prefix":"10.14778","volume":"10","author":[{"given":"Hongyun","family":"Cai","sequence":"first","affiliation":[{"name":"Advanced Digital Sciences Center, Singapore and The University of Queensland, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vincent W.","family":"Zheng","sequence":"additional","affiliation":[{"name":"Advanced Digital Sciences Center, Singapore"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fanwei","family":"Zhu","sequence":"additional","affiliation":[{"name":"Zhejiang University City College, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kevin Chen-Chuan","family":"Chang","sequence":"additional","affiliation":[{"name":"University of Illinois at Urbana-Champaign"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zi","family":"Huang","sequence":"additional","affiliation":[{"name":"The University of Queensland, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2017,3]]},"reference":[{"key":"e_1_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1145\/2723372.2749448"},{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.5555\/944919.944937"},{"key":"e_1_2_1_3_1","volume-title":"From community detection to community profiling. 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