GroupLens: an open architecture for collaborative filtering of netnews
CSCW '94 Proceedings of the 1994 ACM conference on Computer supported cooperative work
Algorithms for the Longest Common Subsequence Problem
Journal of the ACM (JACM)
ChangeDetector: a site-level monitoring tool for the WWW
Proceedings of the 11th international conference on World Wide Web
An exploration of web-based monitoring: implications for design
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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In this paper we present a second generation URL monitoring tool which enables the collaborative evaluation of URL content changes. In our implementation, a document monitoring agent works alongside a recommender system. Using information provided by the monitoring agent, the collaborative system alerts users when documents they are monitoring have changed. The monitoring agent provides automatic evaluation of the nature of the change. Users, however, add subjective evaluations; one user's effort informs all others monitoring the same URL. Based on these subjective evaluations, the collaborative system can filter the changed URLs, providing customized notifications for each user based on individual preferences. In this paper, we describe the implemented system and usage results.