Journal of the Japanese Society for Artifi cial Intelligence Vol. 22 No. 5 (Sept. 2007)


CONTENTS

Special Issue:“Knowledge Representation and Reasoning from Natural Language Texts”
Editor’s Introduction to“Knowledge Representation and Reasoning from Natural Language Texts”
……………………………………………………………………………………………………… Ken Kaneiwa 587
Fuzzy Description Logics ………………………………………………………………………………… Ken Kaneiwa 588
Approximation of Concepts and Reasoning Based on Rough Sets …………………… Yasuo Kudo and Tetsuya Murai 597
Logical Semantics Composed of Feature Structures ………………………………………………………… Satoshi Tojo 605
Generating the Well-Formed Formulas from Natural Language Sentences and the Inference Scheme
………………………………………………………………………………………………… Tsutomu Ishikawa 613
Discourse and Logic
 ― Introduction to Segmented Discourse Representation Theory ― …………………………………… Hidetosi Sirai 621
Special Issue:“Risk Sciences as Fusion of Statistical and Information Sciences”
Editors’Introduction to“Risk Sciences as Fusion of Statistical and Information Sciences”
………………… Shusaku Tsumoto, Takashi Washio, Sadaaki Miyamoto, Hiroe Tsubaki and Genshiro Kitagawa 630
The Concept of Risk and Its Quantifi cation ………………………………………………………… Sadaaki Miyamoto 633

Bridging Exploratory and Confi rmatory Inferences ……………………………………………………… Hiroe Tsubaki 640
Statistical Method
 ― Confi rmatory Inference with Emphasis on Design and Rejection ― ………………………… Takemi Yanagimoto 648
Artifi cial Intelligence Methods and Statistical Thinking for Risk Sciences
 ― Artifi cial Intelligence and Statistical Thinking ― ………………………………………………… Shinto Eguchi 656
Technologies for Aiding Awareness of Latent Risks ……………………………………………………… Yukio Ohsawa 663
Unusual Condition Discovery Based Risk Management for Hydroelectric Power Plants
…………………………………………………………………………… Takashi Onoda and Hironobu Yamasaki 669
Risk Mining and Its Application to Medicine ………………………………………………………… Shusaku Tsumoto 677
Special Issue:“AI in the World, AI in Japan”(7)
Breakthrough from the Interdisciplinary Edge
 ― Freedom to Fail: Entrepreneurial Culture for Innovation ― ……………………………………………Kido Takashi 683
Survey Papers
Research on Creativity Support
 ― An Overview of the NSF CreativeIT Program and Its Implications ― …………………………Kumiyo Nakakoji 687
Articles
Wikipedia: A New Frontier for AI Researches ……………………Kotaro Nakayama, Takahiro Hara and Shojiro Nishio 693
Commentary Series:“Methodology for Analyzing Multi-Party Interaction”(1)
Editors’Introduction to“Methodology for Analyzing Multi-Party Interaction”
………………………………………………………………………………Mayumi Bono and Katsuya Takanashi 702
What Is Necessary in Analyses of Multi-Party Interaction?
 ― Trends and Current State of Interaction Studies ― …………………………Mayumi Bono and Katsuya Takanashi 703
Lecture Series:“Intelligent Computing and Related Issues”(4)
Natural Language Computing ………………………………………………………………………… Sadao Kurohashi 711
Special Issue:“AI Challenge in the Near Future”
Introduction to Special Issue of CREP ……………………………………………………………………… Akinori Abe 719
Abstract …………………………………………………………………………………………………………………… 721
Technical Papers
Abstract …………………………………………………………………………………………………………………… 723

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