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Help-seeking communities have been playing an increasingly critical role in the way people seek and share information. However, traditional help-seeking mechanisms of these online communities have some limitations. In this paper, we describe an expertise-finding mechanism that attempts to alleviate the limitations caused by not knowing users' expertise levels. As a result of using social network data from the online community, this mechanism can automatically infer expertise level. This allows,doi:10.1145/1294211.1294230 dblp:conf/uist/ZhangAAN07 fatcat:rgmjdis6rndjtgzam3w3p4q2km