Zhang, Dell and Lee, W.S. (2008) Learning classifiers without negative examples: a reduction approach. In: Pichappan, P. and Abraham, A. (eds.) 2008 Third International Conference on Digital Information Management. Piscataway, U.S.: IEEE, pp. 638-643. ISBN 9781424429172.

Zhang, Dell and Lee, W.S. (2008) Learning with support vector machines for query-by-multiple-examples. In: Oard, D.W. and Sebastiani, F. and Chua, T.-S. and Leong, M.-K. (eds.) Proceedings of the 31st Annual International ACM SIGIR conference on Research and Development in information Retrieval - SIGIR '08. ACM conference proceedings series 906. New York, U.S.: ACM Press, pp. 835-836. ISBN 9781605581644.

Zhang, Dell and Lee, W.S. (2006) Extracting key-substring-group features for text classification. In: Eliassi-Rad, T. and Ungar, L.H. and Craven, M. and Gunopulos, D. (eds.) Proceedings of the Twelfth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining. ACM, pp. 474-483. ISBN 978159593-3393.

Zhang, Dell and Lee, W.S. (2006) Learning to separate text content and style for classification. In: Ng, H.T. and Leong, M.-K. and Kan, M.-Y. and Ji, D.-H. (eds.) AIRS 2006: Information Retrieval Technology, Third Asia Information Retrieval Symposium. Lecture Notes in Computer Science 4182. Springer, pp. 79-91. ISBN 9783540457800.

Zhang, Dell and Chen, X. and Lee, W.S. (2005) Text classification with kernels on the multinomial manifold. In: Baeza-Yates, R.A. and Ziviani, N. and Marchionini, G. and Moffat, A. and Tait, J. (eds.) SIGIR 2005: Proceedings of the 28th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. ACM, pp. 266-273. ISBN 9781595930347.

Zhang, Dell and Lee, W.S. (2004) Experience of using SVM for the triage task in TREC 2004 genomics track. In: Voorhees, E.M. and Buckland, L.P. (eds.) TREC 2004: Proceedings of the Thirteenth Text REtrieval Conference. NIST Special Publication 500. The National Institute of Standards and Technology.

Zhang, Dell and Lee, W.S. (2004) Learning to integrate web taxonomies. Journal of Web Semantics 2 (2), pp. 131-151. ISSN 1570-8268.

Zhang, Dell and Lee, W.S. (2004) Web taxonomy integration through co-bootstrapping. In: Sanderson, M. and Jarvelin, K. and Allan, J. and Bruza, P. (eds.) SIGIR 2004: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. ACM, pp. 410-417. ISBN 9781581138818.

Zhang, Dell and Lee, W.S. (2004) Web taxonomy integration using support vector machines. In: Feldman, S.I. and Uretsky, M. and Najork, M and Wills, C.E. (eds.) WWW 2004: Proceedings of the 13th international conference on World Wide Web. ACM, pp. 472-481. ISBN 9781581138443.

Zhang, Dell and Lee, W.S. (2003) Question classification using support vector machines. In: Clarke, C.L.A. and Cormack, G.V. and Callan, J. and Hawking, D. and Smeaton, A.F. (eds.) SIGIR 2003: Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. ACM, pp. 26-32. ISBN 9781581136463.

Zhang, Dell and Lee, W.S. (2003) A language modeling approach to passage question answering. In: Voorhees, E.M. and Buckland, L.P. (eds.) TREC 2003: Proceedings of The Twelfth Text REtrieval Conference. National Institute of Standards and Technology, pp. 489-495.

Zhang, Dell and Lee, W.S. (2002) Web based pattern mining and matching approach to question answering. In: Voorhees, E.M. and Buckland, L.P. (eds.) TREC 2002: Proceedings of The Eleventh Text REtrieval Conference. NIST Special Publication 500. National Institute of Standards and Technology.