S. Wong, W. Ziarko, and P. Wong. Proceedings of the 8th annual international ACM SIGIR conference on Research and development in information retrieval, page 18--25. ACM, (1985)
S. Wong, W. Ziarko, and P. Wong. Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, page 18--25. ACM Press, (1985)
S. Wong, W. Ziarko, and P. Wong. Proceedings of the 8th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, page 18-25. ACM Press, (1985)
S. Wong, W. Ziarko, and P. Wong. SIGIR '85: Proceedings of the 8th annual international ACM SIGIR conference on Research and development in information retrieval, page 18--25. New York, NY, USA, ACM Press, (1985)
A. Liang, W. Ziarko, and R. Maguire. Rough Sets and Current Trends in Computing, volume 2005 of Lecture Notes in Computer Science, page 338-345. Springer, (2000)
H. Hamilton, N. Shan, and W. Ziarko. Australian Joint Conference on Artificial Intelligence, volume 1342 of Lecture Notes in Computer Science, page 330-339. Springer, (1997)