WPI

摘要: Implicit Interest Indicators Page 1 WPI Implicit Interest Indicators Mark Claypool Phong Le Makoto Waseda David C. Brown Computer Science Department Worcester Polytechnic Institute Worcester, MA 01609, USA. WPI Page 2 WPI The User’s Intentions Ì Intelligent interfaces should understand the intentions of the user. eg, by interpreting sequences of observable actions. Ì Recommender systems require knowledge of user interests. Ì Can we understand the “interest” the user has in some information? eg, in a web page. Ì Can low level actions indicate interest? eg, mouse movement, scrolling, ... Page 3 WPI Explicit Ratings Ì User explicitly rates information. Common & fairly precise. Ì Can interrupt normal patterns of reading or action. Ì Users may tire of providing them. ...and... Ì Users need to be convinced of the benefit in order to make the effort. ...but... Ì Many ratings are needed before Collaborative Filtering can …