1. An information-theoretic perspective of tf–idf measures;Aizawa;Inf. Process. Manag.,2003
2. Topic Detection and Tracking Pilot Study Final Report;Allan,1998
3. Lee Kuan Yew: The Grand Master's Insights on China, the United States, and the World;Allison,2013
4. Automated tag clustering: improving search and exploration in the tag space;Begelman,2006
5. Frequent term-based text clustering;Beil,2002