The Intelligent Method of Information Retrieval Based on Self Organized Knowledge Resources. - Takayuki Morimoto; Takahiro Kondo; Katsuhiko Sugita; Daisuke Ishikawa; Masaya Ikemura; Yuzuru Fujiwara (NTCIR, 2001)

ASURA: A Best-Answer Estimation System for NTCIR-8 CQA Pilot Task. - Daisuke Ishikawa (NTCIR, 2010)

Overview of the NTCIR-8 Community QA Pilot Task (Part I): The Test Collection and the Task. - Daisuke Ishikawa; Tetsuya Sakai; Noriko Kando (NTCIR, 2010)

Overview of the NTCIR-8 Community QA Pilot Task (Part II): System Evaluation. - Tetsuya Sakai; Daisuke Ishikawa; Noriko Kando (NTCIR, 2010)

Fluorescent pipettes for optically targeted patch-clamp recordings. - Daisuke Ishikawa; Naoya Takahashi; Takuya Sasaki; Atsushi Usami; Norio Matsuki; Yuji Ikegaya (Neural Networks, 2010)

What Makes a Good Answer in Community Question Answering? An Analysis of Assessors' Criteria. - Daisuke Ishikawa; Noriko Kando; Tetsuya Sakai (EVIA@NTCIR, 2011)

Using graded-relevance metrics for evaluating community QA answer selection. - Tetsuya Sakai; Daisuke Ishikawa; Noriko Kando; Yohei Seki; Kazuko Kuriyama; Chin-Yew Lin (WSDM, 2011)