Developing user interfaces: ensuring usability through product & process
Developing user interfaces: ensuring usability through product & process
Learning in the presence of concept drift and hidden contexts
Machine Learning
Learning and Revising User Profiles: The Identification ofInteresting Web Sites
Machine Learning - Special issue on multistrategy learning
Visual Data Mining: Techniques and Tools for Data Visualization and Mining
Visual Data Mining: Techniques and Tools for Data Visualization and Mining
Machine Learning for User Modeling
User Modeling and User-Adapted Interaction
Graph Visualization and Navigation in Information Visualization: A Survey
IEEE Transactions on Visualization and Computer Graphics
Information Visualization and Visual Data Mining
IEEE Transactions on Visualization and Computer Graphics
Visualizing the non-visual: spatial analysis and interaction with information from text documents
INFOVIS '95 Proceedings of the 1995 IEEE Symposium on Information Visualization
Probabilistic User Behavior Models
ICDM '03 Proceedings of the Third IEEE International Conference on Data Mining
Pattern Classification (2nd Edition)
Pattern Classification (2nd Edition)
Social network fragments: an interactive tool for exploring digital social connections
ACM SIGGRAPH 2003 Sketches & Applications
Structure and evolution of blogspace
Communications of the ACM - The Blogosphere
Criminal network analysis and visualization
Communications of the ACM - 3d hard copy
Vizster: Visualizing Online Social Networks
INFOVIS '05 Proceedings of the Proceedings of the 2005 IEEE Symposium on Information Visualization
Interest-based user grouping model for collaborative filtering in digital libraries
ICADL'04 Proceedings of the 7th international Conference on Digital Libraries: international collaboration and cross-fertilization
Effectiveness of implicit rating data on characterizing users in complex information systems
ECDL'05 Proceedings of the 9th European conference on Research and Advanced Technology for Digital Libraries
Further development of a digital library curriculum: evaluation approaches and new tools
ICADL'07 Proceedings of the 10th international conference on Asian digital libraries: looking back 10 years and forging new frontiers
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We describe VUDM, our Visual User-model Data Mining tool, and its application to data logged regarding interactions of 1,200 users of the Networked Digital Library of Theses and Dissertations (NDLTD). The goals of VUDM are to visualize social networks, patrons' distributions, and usage trends of NDLTD. The distinctive approach of this research is that we focus on analysis and visualization of users' implicit rating data, which was generated based on user tracking information, such as sending queries and browsing result sets – rather than focusing on explicit data obtained from a user survey, such as major, specialties, years of experience, and demographics. The VUDM interface uses spirals to portray virtual interest groups, positioned based on inter-group relationships. VUDM facilitates identifying trends related to changes in interest, as well as concept drift. A formative evaluation found that VUDM is perceived to be effective for five types of tasks. Future work will aim to improve the understandability and utility of VUDM.