1. Michael W. Berry, Susan T. Dumais, and algebra for intelligent information retrieval. University of Tennessee, 1994.
2. Zhang Dong. Towards Web Information Gavin W. O’Brien. Using linear Technical Report UT-CS-94–270, Clustering. PhD thesis, Southeast University, Nanjing, China, 2002.
3. Peter Hannappel, Reinhold Klapsing, and Gustaf Neumann. MSEEC — a multi search engine with multiple clustering. In Proceedings of the 99 Information Resources Management Association Conference,May 1999.
4. Marti A. Hearst and Jan O. Pedersen. Reexamining the cluster hypothesis: Scatter/gather on retrieval results. In Proceedings of SIGIR-96, 19th ACM International Conference on Research and Development in Information Retrieval, pages 76–84, Zürich, CH, 1996.
5. Udi Manber and Gene Myers. Suffix arrays: a new method for on-line string searches. In Proceedings of the first annual ACM-SIAM symposium on Discrete algorithms, pages 319–327, 1990.