DUTIR at TREC 2009: Chemical IR Track
DALIAN UNIV OF TECH (CHINA) DEPT OF COMPUTER SCIENCE AND TECH
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This paper presents the DUTIR submission to TREC 2009 Chemical IR Track. This track included two tasks Prior Art PA and Technical Survey TS tasks. We present a series of experiments on two text retrieval models, BM25 and Language Model for IR LMIR. For Prior Art task, we focused on formulating the queries from the query patents and date filtering. Moreover, some traditional search techniques are used for Technical Survey task.
- Information Science