Citation Author Topic Model in Expert Search Yuancheng Tu author Nikhil Johri author Dan Roth author Julia Hockenmaier author 2010-08 text Coling 2010: Posters Chu-Ren Huang editor Dan Jurafsky editor Coling 2010 Organizing Committee Beijing, China conference publication tu-etal-2010-citation https://aclanthology.org/C10-2145/ 2010-08 1265 1273