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Dr. Yang's research interests include Web search and mining, security informatics, knowledge management, cross-lingual information retrieval, text summarization, multimedia retrieval, information visualization, information sharing and privacy, digital library, and electronic commerce. His teaching interests include data mining, artificial intelligence, information retrieval, information systems analysis and design. He is the program director of the MS in Health Informatics.
Healthcare informatics, social media analytics, knowledge discovery, Web search and mining, recommendation systems, pharmacovigilance, drug repositioning, electronic commerce, intelligence and security informatics