Multiple experts recognition system based on neural network. - Song Wang; Xiaoyan Zhu; Yijiang Jin (ICPR, 1996)

A Neural-Network Dimension Reduction Method for Large-Set Pattern Classification. - Yijiang Jin; Shaoping Ma (ICMI, 2000)

THU TREC 2002: Novelty Track Experiments. - Min Zhang 006; Ruihua Song; Chuan Lin; Shaoping Ma; Zhe Jiang 003; Yijiang Jin; Yiqun Liu 001; Le Zhao (TREC, 2002)

Using Normal PC to Index and Retrieval Terabyte Document - THUIR at TREC 2004 Terabyte Track. - Yijiang Jin; Wei Qi; Min Zhang 006; Shaoping Ma (TREC, 2004)

Segmentation of Connected Chinese Characters Based on Genetic Algorithm. - Xianghui Wei; Shaoping Ma; Yijiang Jin (ICDAR, 2005)

THUIR at TREC 2005 Terabyte Track. - Le Zhao; Rongwei Ceng; Min Zhang 006; Yijiang Jin; Shaoping Ma (TREC, 2005)

THUIR at TREC 2009 Web Track: Finding Relevant and Diverse Results for Large Scale Web Search. - Zhichao Li; Fei Chen; Qianli Xing 001; Junwei Miao; Yufei Xue; Tong Zhu; Bo Zhou; Rongwei Cen; Yiqun Liu 001; Min Zhang 006; Yijiang Jin; Shaoping Ma (TREC, 2009)

THUIR at NTCIR-9 INTENT Task. - Yufei Xue; Fei Chen; Tong Zhu; Chao Wang 049; Zhichao Li; Yiqun Liu 001; Min Zhang 006; Yijiang Jin; Shaoping Ma (NTCIR, 2011)

Incorporating web browsing activities into anchor texts for web search. - Bo Zhou; Yiqun Liu 001; Min Zhang 006; Yijiang Jin; Shaoping Ma (Inf. Retr., 2011)

Search engine click spam detection. - Xin Li 016; Min Zhang 006; Yiqun Liu 001; Shaoping Ma; Yijiang Jin; Liyun Ru (CCIS, 2012)

Search engine click spam detection based on bipartite graph propagation. - Xin Li 016; Min Zhang 006; Yiqun Liu 001; Shaoping Ma; Yijiang Jin; Liyun Ru (WSDM, 2014)