Relevance Filtering

Augmenting Information Seeking on the World Wide Web Using Collaborative Filtering Techniques
Applying Bibliometric analysis, filtering techniques, and collaborative technologies to Web usage data that can, in turn leverage a Web user's Information Seeking behavior.
http://www.gslis.utexas.edu/~donturn/research/augmentis-abstract.html

Collaborative Filtering Research Papers
User-updated directory of collaborative filtering research papers with abstracts, links to the full papers, and reader comments.
http://jamesthornton.com/cf/

Minimizing Information Overload: The Ranking of Electronic Messages
The decision to examine a message at a particular point in time should be made rationally and economically if the message recipient is to operate efficiently. Our model provides a formal method for minimizing expected information overload through information filtering.
http://www.ils.unc.edu/~losee/minim.html

The Mole
Software analyzes the context in which words and sentences are used and dynamically links their relationships. Features purchasing and contact information.
http://www.themolesite.com

StumbleUpon
Free web-browser extension which acts as an intelligent browsing tool for discovering and sharing web sites; recommendation engine is based on explicit interests survey and feedback via site ratings. Features screen shots, toolbar guide and contact information.
http://www.stumbleupon.com/

Personal Information Intake Filtering
Paul E. Baclace. Explores a hybrid learning algorithm applied to the problem of Information Intake Filtering (IIF). Information Intake refers to information that impinges upon users. <small>(October 1, 1997)</small>
http://www.baclace.net/Resources/ifilter1.html