1. An approach for discovering hot spots of topics from time stamped documents;Chen,2008
2. Extracting hot spots of basic and complex topics from time stamped documents;Chen,2009
3. Trends analysis of topics based on temporal segmentation;Chen,2009
4. Efficient algorithms for constructing time decompositions of time stamped documents;Chundi,2005
5. On lossy time decompositions of time stamped documents;Chundi,2004