Extraction of important numerical pairs from text documents and visualization of them. - Masaki Murata; Koji Ichii; Qing Ma; Tamotsu Shirado; Toshiyuki Kanamaru; Sachiyo Tsukawaki; Hitoshi Isahara (NTCIR, 2007)

A System for Answering Non-Factoid Japanese Questions by Using Passage Retrieval Weighted Based on Type of Answer. - Masaki Murata; Sachiyo Tsukawaki; Toshiyuki Kanamaru; Qing Ma; Hitoshi Isahara (NTCIR, 2007)

Non-Factoid Japanese Question Answering through Passage Retrieval that Is Weighted Based on Types of Answers. - Masaki Murata; Sachiyo Tsukawaki; Toshiyuki Kanamaru; Qing Ma; Hitoshi Isahara (IJCNLP, 2008)