Accession Number:

ADA517860

Title:

DUTIR at TREC 2009: Chemical IR Track

Descriptive Note:

Conference paper

Corporate Author:

DALIAN UNIV OF TECH (CHINA) DEPT OF COMPUTER SCIENCE AND TECH

Personal Author(s):

Report Date:

2009-11-01

Pagination or Media Count:

8.0

Abstract:

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.

Subject Categories:

  • Information Science

Distribution Statement:

APPROVED FOR PUBLIC RELEASE