Personalized Web Search Using User Profile. - Jingqiu Xu; Zhengyu Zhu; Xiang Ren; Yunyan Tian; Ying Luo (CIS, 2007)

An Improved Partitioning-Based Web Documents Clustering Method Combining GA with ISODATA. - Zhengyu Zhu; Yunyan Tian; Jingqiu Xu; Xin Deng; Xiang Ren (FSKD (2), 2007)

Query Expansion Based on a Personalized Web Search Model. - Zhengyu Zhu; Jingqiu Xu; Xiang Ren; Yunyan Tian; Lipei Li (SKG, 2007)