Ph.D. Candidate Center for Intelligent Information Retrieval Department of Computer Science University of Massachusetts 140 Governors Drive Amherst, MA 01003-4610 email: xwei a t cs d o t umass d o t edu Phone: (413) 545-0728
Wei, X., and Croft, W.B., Investigating Retrieval Performance with Manually-Built Topic Models, in Proceedings of the 8th Large-Scale Semantic Access to Content (Text, Image, Video and Sound) Conference (RIAO 07), 2007.
Wei, X., Sailer, A., Mahindru, R., and Kar, G. Automatic Structuring of IT Problem Ticket Data for Enhanced Problem Resolution, in Proceedings of the 10th IFIP/IEEE International Symposium on Integrated Management (IM 2007).
Luo, G., Tang, C., Yang, H. and Wei, X., A Specialized Search Engine for Medical Information, in Proceedings of the 16th International World Wide Web Conference (WWW 07), 2007.
Wei, X. and Croft, W.B., Modeling Term Associations for Ad-hoc Retrieval Performance within Language Modeling Framework, in Proceedings of the 29 th European Conference on Information Retrieval (ECIR 07), pp. 52-63, 2007.
Wei, X., Sun, J., and Wang, X., Dynamic Mixture Models for Multiple Time Series, in Proceedings of the 20 th International Joint Conference on Artificial Intelligence (IJCAI 07), pp. 2909-2914, 2007.
Wang, X., McCallum, A., and Wei, X., Topical N-grams: Phrase and Topic Discovery, with an Application to Information Retrieval, to appear in Proceedings of the 7th IEEE International Conference on Data Mining, Oct 28-31, 2007, Omaha NE, USA.
Wei, X. and Croft, W.B. LDA-based Document Models for Ad-hoc Retrieval. In the Proceedings of SIGIR '06, 178-185, 2006. (Presentation slides will be available soon.)
Wei, X., Croft, W.B., and McCallum, A. Table Extraction for Answer Retrieval. Journal of Information Retrieval, 9(5), 589-611, 2006.Wei, X., Croft, W.B., and Pinto, D. Question Answering Performance on Table Data. In the Proceedings of National Conference on Digital Government Research (Dg.O 2004).
Wei, X., Croft, W.B., and Pinto, D. Answer Retrieval from Extracted Tables. CIIR Technical Report, 2004.
Pinto, D., McCallum, A., Wei, X. and Croft, W.B. Table Extraction Using Conditional Random Fields. In the Proceedings of SIGIR '03, 235-242, 2003.
Pinto, D., Branstein, M., Coleman, R., Croft, W.B., King, M., Li, W., and Wei, X. QuASM: A System for Question Answering Using Semi-Structured Data. In the Proceedings of the JCDL 2002 Joint Conference on Digital Libraries, 2002.
Wei, X. Enhanced WWW Information Categorization by Hyperlinks. Master thesis with an open defense(in Chinese), Jun. 2001.
Wei, X., Ding, W. and Gao, Y. Designation and Realization of an Individual Search Engine GONIA-OFFICE 98. A special issue for the Journal of Computer Engineering(Chinese), Oct. 2000.
Wei, X., Gong J., and Ding, W. An Information-Locating Model Based on Open Distributed Processing. In Proceedings of the 10th China Computer Federation Data and Communication Conference, Oct. 1998.
Yu, X., Ding, W., Wei, X., and Schauble, P. A Chinese-English WEB Search Engine based on RSV Technique. A special issue for the Journal of Computer Application(Chinese), Sept. 1998.