A semantic-based approach for mining undiscovered public knowledge from biomedical literature. - Xiaohua Hu 001; Guangrong Li; Illhoi Yoo; Xiaodan Zhang 001; Xuheng Xu (GrC, 2005)

Mining novel connections from online biomedical text databases using semantic query expansion and semantic-relationship pruning. - Xiaohua Hu 001; Xuheng Xu (Int. J. Web Grid Serv., 2005)

Using UMLS-based Re-Weighting Terms as a Query Expansion Strategy. - Weizhong Zhu; Xuheng Xu; Xiaohua Hu 001; Il-Yeol Song; Robert B. Allen (GrC, 2006)

A Comparison of Local Analysis, Global Analysis and Ontology-based Query Expansion Strategies for Bio-medical Literature Search. - Xuheng Xu; Weizhong Zhu; Xiaodan Zhang 001; Xiaohua Hu 001; Il-Yeol Song (SMC, 2006)

Using Two-Stage Concept-Based Singular Value Decomposition Technique as a Query Expansion Strategy. - Xuheng Xu; Xiaodan Zhang 001; Xiaohua Hu 001 (AINA Workshops (1), 2007)

Cluster-based query expansion using language modeling in the biomedical domain. - Xuheng Xu; Xiaohua Hu 001 (BIBM Workshops, 2010)