5Lawrie D,Croft W B,Rosenbreg A L.Finding Topic Words for Hi-erarchical Summarization[C]//Proceedings of the 24th AnnualInternational ACM SIGIR Conference on Research and Develop-ment in Information Retrieval(SIGIR 01),New Orlean,,LA,USA,,2001:249-357.
6Popescul A, Ungar L. Automatic Labeling of Document Clusters. [EB/OL]. [ 2007 -01 - 10 ]. http://www, cis. upenn, edu/- popescul/Publications/popescul001abeling, pdf.
7Pucktada T, Jamie C. Automatically Labeling Hierarchical Clusters [ C ]. In : Proceedings of the 2006 International Conference on Digital government research, San Diego, CA, USA, 2006:167-176.
8Maqbool O, Babfi H A. Interpreting Clustering Results through Cluster Labeling [ C ]. In : Proceedings of the IEEE International Conference on Emerging Technologies ( 1CET05 ), lslamabad, Pakistan, 2005 : 429 - 434.
9Stein B, Meyer zu Eissen S. Topic Identification: Framework and Application [ C ]. In :Proceedings of the 4th International Conference on Knowledge Management ( I- KNOW 04 ), Graz, Austria, 2004: 353 - 360.
10Lawrie D, Croft W B, Rosenberg A L. Finding Topic Words for Hierarchical Summarization [ C ]. In:Proceedings of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR'OI), New Orlean, LA, USA, 2001: 249 - 357.