PRIS at TREC 2010: Related Entity Finding Task of Entity Track

摘要

This paper reports the approaches to the task of Entity Track applied by PRIS lab of BUPT in TREC 2010. We used Document-Centered Model (DCM) and Entity-Centered Model (ECM) for the task. BM25 method was introduced into ECM besides indri retrieval model. Another improvement aimed at entity extraction. Special web page, NER tool and entity list generated by some rules were all taken into account. Also, some external resources such as Google and CMU search engine were applied.