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Chapter and Conference Paper
Modeling of Facial Expressions Using NURBS Curves
This paper describes a new NURBS-based method for facial modeling and animation. NURBS curves are constructed to correspond with the facial anatomy, and the vertices on the facial model are geometrically assoc...
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Chapter and Conference Paper
An Improved Usage-Based Ranking
A good ranking is critical to gain a positive searching experience. With usage data collected from past searching activities, it could be improved from current approaches which are largely based on text or lin...
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Chapter and Conference Paper
Automatic Keyword Extraction by Server Log Analysis
Traditionally, keywords are extracted from full texts of a document. While in the web environment, there are more sources we can use to provide a more complete view of a web page’s contents. In this paper, we ...
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Chapter and Conference Paper
An Enhanced Super-Peer Model for Digital Library Construction
Peer-to-Peer (P2P) overlay network has emerged as a major infrastructure for constructing future digital libraries. Among various P2P infrastructures, super-peer based P2P network receives extensive attention ...
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Chapter and Conference Paper
A Recommender System with Interest-Drifting
Collaborative filtering and content-based recommendation methods are two major approaches used in recommender systems. These two methods have some drawbacks in dealing with situations such as sparse data and c...