2012

doi dblp
Social-network analysis using topic models
Youngchul Cha | Junghoo Cho
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

2013

doi dblp
Incorporating popularity in topic models for social network analysis
Youngchul Cha | Bin Bi | Chu-Cheng Hsieh | Junghoo Cho
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013