Extraction of Newspaper Articles including Cause Informations Concerning Business Performances for each Industry

Abstract

These days, a growing number of individual investors is attracting public attentions even in Japan, and securities companies are actively providing them with investment informations. Especially, analyst reports written by professional security analysts are important investment judgment materials, but their timing of publication varies by brands. In this paper, using the structures of causal relationships of sentences in analyst reports, the ways of security analysts paying attention to cause informations concerning business performances were learned, and newspaper articles including similar causal relationships were extracted. We aim to realize a real-time investment supporting system.