A Little Known Fact Is ... Answering Other Questions Using Interest-Markers

  • Authors:

  • Majid Razmara;Leila Kosseim

  • Affiliations:

  • CLaC laboratory, Department of Computer Science and Software Engineering, 1400 de Maisonneuve Blvd. West, Montreal, Quebec,H3G 1M8, Canada;CLaC laboratory, Department of Computer Science and Software Engineering, 1400 de Maisonneuve Blvd. West, Montreal, Quebec,H3G 1M8, Canada

  • Venue:
  • CICLing '07 Proceedings of the 8th International Conference on Computational Linguistics and Intelligent Text Processing
  • Year:
  • 2009

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Abstract

In this paper, we present an approach to answering "Other" questions using the notion of interest marking terms. "Other" questions have been introduced in the TREC-QA track to retrieve other interesting factsabout a topic. To answer these types of questions, our system extracts from Wikipedia articles a list of interest-markingterms related to the topic and uses them to extract and score sentences from the document collection where the answer should be found. Sentences are then re-ranked using universal interest-markers that are not specific to the topic. The top sentences are then returned as possible answers. When using the 2004 TREC data for development and 2005 data for testing, the approach achieved an F-score of 0.265, placing it among the top systems.