1. & (2002). Fuzzy engineering expert systems with neural network applications. New York: Wiley.
2. & (1998). Coreference as the foundations for link analysis over free text databases. In & (Eds.), Artificial Intelligence and Link Analysis: Papers from the 1998 Fall Symposium (pp. 8–13). Menlo Park, CA: AAAI Press.
3. An evaluation of retrieval effectiveness for a full-text document-retrieval system
4. & (1998, April). The anatomy of a large-scale hypertextual Web search engine. Paper presented at the 7th International Conference on the World Wide Web, Brisbane, Australia.