Identifying semantic relations in Japanese compound nouns for patent documents analysis

Authors:
Kiyoko Uchiyama;Shunsuke Aihara;Shun Ishizaki
Affiliations:
Graduate School of Media and Governance, Keio University, Fujisawa-City, Kanagawa, Japan;Graduate School of Media and Governance, Keio University, Fujisawa-City, Kanagawa, Japan;Graduate School of Media and Governance, Keio University, Fujisawa-City, Kanagawa, Japan
Venue:
LKR'08 Proceedings of the 3rd international conference on Large-scale knowledge resources: construction and application
Year:
2008

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Abstract

The purpose of this study is to establish a method for identifying semantic relations in compound nouns in patent documents by using linguistic information. The information such as grammatical or semantic features plays a key role for analyzing semantic relations in compound nouns. We used the information about immediately succeeding case particles, adjective-forming suffixes and a verb suru "do" as grammatical features, concept classifications in EDR dictionary as semantic features. The performance of the fully automated statistical method was found to be good at 84% by using both grammatical and semantic features. This result shows advantage of our method.