[4Q3-GS-9] Natural language processing, information retrieval: Social problem aid

[4Q3-GS-9-01] Analysis of the Statements Expressing the Pros and Cons of a Bill in Tokyo Metropolitan Assembly

Toward NTCIR-15 QA Lab-PoliInfo-2 Stance Classification Task

〇Keiichi Takamaru¹, Yasutomo Kimura², Yuzu Uchida³, Minoru Sasaki⁵, Masaharu Yoshioka⁴, Tomoyoshi Akiba⁶, Hideyuki Shibuki⁷ (1. Utsunomiya Kyowa University, 2. Otaru University of Commerce, 3. Hokkai-Gakuen University, 4. Hokkaido University, 5. Ibaraki University, 6. Toyohashi University of Technology, 7. National Institute of Informatics)

Keywords:Political Text, Local Assembly Minutes, Stance Classification

In the NTCIR-15 QA Lab-PoliInfo-2, we are planning a Stance Classification Task that estimates the pros and cons of each bill of the group in the Tokyo Metropolitan Assembly. This paper describes the outline of the task and the construction of the data set for the task. Then, this paper analyzes the existence of remarks and their expression forms for expressing approval or disapproval of bills included in the minutes of the Tokyo Metropolitan Assembly in 2018, which is part of the data used in the task.