Research on Texts of Accidents and Risks using Morphological Analysis

Abstract

In this research, we applied morphological analysis to abstract the psychological information of writer. Chasen is a Japanese software for morphological analysis. Two types of texts are evaluated. (1) Explanation of the outline of well-known accident or trouble. (2) Author's impression about the accident or trouble. Frequencies of verb, adjective, adverb, Rentaishi, conjunction, particle, auxiliary verb and exclamation are compared in both texts. It was found that the frequency of adverb is higher in the author's impressions. The tf-idf of adverb was also examined. it was found that the tf-idfs of adverbs belong to two groups are significantly different.