Discovering intermediate entities from two examples by using web search engine indices

  • Authors:

  • Naoto Asahi;Takehiro Yamamoto;Satoshi Nakamura;Katsumi Tanaka

  • Affiliations:

  • Kyoto University, Yoshida-Honmachi, Sakyo, Kyoto, Japan;Kyoto University, Yoshida-Honmachi, Sakyo, Kyoto, Japan;Kyoto University, Yoshida-Honmachi, Sakyo, Kyoto, Japan;Kyoto University, Yoshida-Honmachi, Sakyo, Kyoto, Japan

  • Venue:
  • Proceedings of the 4th International Conference on Uniquitous Information Management and Communication
  • Year:
  • 2010

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Abstract

We propose a system for finding intermediate entities from two examples by using web search engine indices. For example, a user wants to find recipients of the Nobel Peace Prize in the thirty years between Mother Teresa in 1979 and Barack Obama in 2009. In this example, the answer is, for example, Kofi Atta Annan. In this situation, the user wants to find something intermediate between two entities. We first describe the problem of finding entities between two examples. We then propose a system for extracting intermediate entities between two inputs by using a Web search engine indices. The system focuses on the positions of terms in Web pages and then extracts candidate terms that are likely to appear between the two inputs. Then, our system ranks candidate terms based on term frequencies and positions. Finally, we conducted experiments to show the usefulness of our system.