1. Engelbart, D. and English, W. A research center for augmenting human intellect. Proceedings of the Fall Joint Computer Conference (San Francisco, CA). Reston, VA: AFIPS, 1968, pp. 393 - 410.
2. Goldberg, D, Nichols, D., Oki, B. and Terry, D. Using collaborative filtering to weave an information tapestry. Communications of the ACM 35: 61 - 70, 1992.
3. Terry, D. A tour through tapestry. Proceedings of the ACM Conference on Organisational Computing Systems COOCS’93. New York: ACM, 1993, pp. 21 - 30.
4. Shardanand, U. and Maes, P. Social information filtering: algorithms for automating “word of mouth”. Proceedings of the ACM Conference on Human Factors in Computing Systems CHV95. New York: ACM, 1995, pp. 210 - 217.
5. Hill, W., Stead, L., Rosenstein, M. and Furnas, G. Recommending and evaluating choices in a virtual community of use. Proceedings of the ACM Conference on Human Factors in Computing Systems CHI’95. New York: ACM, 1995, pp. 194 - 201.