BJUT at TREC 2015 Microblog Track: Real Time Filtering Using Knowledge Base
Beijing University of Technology Beijing China
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This paper describes our efforts for TREC 2015 Microblog track. We applied the classic retrieval model combined with the external knowledge base, i.e.,Wikipedia, for query expansion. Besides, we introduced the knowledge acquisition, query expansion, and retrieval model as well. Experimental results show the proposed approach is better than classical method in microblog real-time filtering with the usage of external knowledge base.