Estimation of friendship and hierarchy from conversation records

  • Authors:
  • Yoko Nishihara;Wataru Sunayama

  • Affiliations:
  • The University of Tokyo, 7-3-1, Hongo, Bunkyo, Tokyo 113-8656, Japan;Hiroshima City University, 3-4-1, Ozuka-Higashi, Asa-Minami, Hiroshima 731-3194, Japan

  • Venue:
  • Information Sciences: an International Journal
  • Year:
  • 2009

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Abstract

We have developed a method for estimating the level of friendship between two people and the strength of their hierarchy. This information is important because building the relationships needed to create something new requires an understanding of current relationships. Using records of conversation among people, our method first identifies the sentence types and then uses the identified types to estimate the level of friendship and the strength of the hierarchy. Testing using records for various types of conversation demonstrated that this method can robustly estimate both values from one-person-fixed conversation records.