LExL: A Learning Approach for Local Expert Discovery on Twitter. - Wei Niu 003; Zhijiao Liu; James Caverlee (ECIR, 2016)

On Local Expert Discovery via Geo-Located Crowds, Queries, and Candidates. - Wei Niu 003; Zhijiao Liu; James Caverlee (ACM Trans. Spatial Algorithms Syst., 2016)