I am interested in data related research topics, such as information extraction, information retrieval, data mining, natural language processing, and graph analysis. I am also interested in applying these techniques to various application domains, such as recommender systems, digital libraries, and social network. I have developed several publicly available services. Recent projects include CSSeer (http://csseer.ist.psu.edu/), an expert recommendation system for computer scientists by mining CiteSeerX digital library, and CollabSeer (http://collabseer.ist.psu.edu/), a collaborator recommendation system for computer scientists.
More details: http://dr-hhchen.appspot.com/
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