Realization of Discussion Mining Using Music Theory for Meeting Record Analysis

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There are the following three results. (1) We have theoretically investigated the difference between the events included in meeting records and musical events. We have succeeded in formalizing time-span trees and building a computational model. (2) As a milestone toward a discussion structure analyzer for a discussion mining system, we have progressed to improve and enhance the GTTM analyzer to complete enabling to handle a polyphony. (3) We have verified the developed method to efficiently extract the semantic structure of discussion. We have reconfigurated the GTTM rules in the thinking way of GTTM, and we succeeded automatic generation of a discussion time-span tree from multimedia discussion records.