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Topic detection for emergency events based on FCM document clustering

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4 Author(s)
Tian Gao ; Beijing Key Lab of Intelligent Telecommunication Software and Multimedia, Beijing University of Posts and Telecommunications, China ; Junping Du ; Su Wang ; Liping Chen

This paper discusses the usage of document clustering methods for topic detection of emergencies. Its main contribution is to apply the named entity of event-based framework to extract the feature terms of Web documents, exploit the TF-IDF method to weight the Web document characteristics of emergencies, and finally detect the hot topics through the FCM clustering algorithm. This method can reduce the redundancy feature terms of Web documents for emergencies effectively, and explore the internal structure and connections of the original data. It can also decrease the feature dimensions to improve the intelligibility of document data and the accuracy of topic detection to a large extent. Experimental results show that the FCM clustering method can achieve the topic cluster aggregation in the Web document sets, receive excepted topics of the Internet information sources timely, and monitor its related reports.

Published in:

Broadband Network and Multimedia Technology (IC-BNMT), 2010 3rd IEEE International Conference on

Date of Conference:

26-28 Oct. 2010