CONTENTS
Greetings from the New President
JSAI as a Pioneer of 21st Century……………………Hidehiko Tanaka 677
Message from Editor-in-Chief………………………. Yoshiaki Shirai 678
Special Issue : “AI Techniques in Internet”
Editor’s Introduction to “AI Techniques in Internet”…Hitoshi Matsubara 679
Network Enhanced Intelligent Information Integration……Hideaki Takeda 680
Collaboration and Internet…………………………..Akihiro Kubota 689
Survey Papers
Researches on Soccer Agents…………Itsuki Noda and Hitoshi Matsubara 694
Survey on the Current Trend in Character Recognition and Document
Understanding(1)………………………………….Yasuaki Nakano 702
Essays: “Expectation of IJCAI-97 in Nagoya”(1)
AI and Daily Lives………………………………….Teruo Fukumura 710
Special Article for IJCAI-97 in Nagoya
Future AI Research Direction..Hideyuki Nakashima,Jun Arima,Satoshi Satoh,
Masaki Suwa,Koiti Hasida,and Minoru Asada 713
Technical Papers
Generating a Set of Pareto Optimal Decision Trees by Genetic
Algorithms……..Shigenobu Kobayashi,Koji Yoshida,and Masayuki Yamamura 725
Experiments for SIP in the Simplified Tile World
…………..Seiji Yamada,Yoshinori Isoda,and Jun’ichi Toyoda 733
Integration of Knowledge Discovery and Active Database Technologies
………………………… Hiroyuki Kawano,Shojiro Nishio,
Jiawei Han,and Toshiharu Hasegawa 741
The Study of Feature Extraction and Concept Formation Method
Based on the Relational Cohesiveness:The Verification was Made to
Apply This Method to the Properties of Normal Alcohol Compounds
as an Example…. Toshiyuki Fujikura,Sumio Tokita,and John T.Shimozawa 750
Design and Implementation of a Mail Distribution System
Using Reasoning Mechanism for Dynamic Group Construction
…………………….. Masahiko Tsukamoto,Motonori Iwamuro,
Rieko Kadobayashi,and Shojiro Nishio 759
Construction of Bayesian Belief Network by Decision Theoretic
Approach…………………………………………….Maomi Ueno 768
Computing Prioritized Circumscription via Compilation into
Logic Programs……………………….Toshiko Wakaki and Ken Satoh 778
Reinforcement Learning in Partially Observable Markov Decision
Processes:A Stochastic Gradient Method
…… Hajime Kimura,Masayuki Yamamura,and Shigenobu Kobayashi 787
Research Notes
Preference of Hypotheses for Hypothetical Reasoning with Observation
………………………. Seiji Yamada and Noboru Babaguchi 795
Improvement of the Consistency Check on Hypotheses Synthesis Using
Inference-Path Network………………Haruhiko Kimura,Hideaki Nobata,
Sadaki Hirose,and Takehiko Abe 799
l-Certainty Exploration Method:An Action Selector to Identify the
Environment by an Agent
-An Extension of k-Certainty Exploration Method to Stochastic MDPs-
.. Kazuteru Miyazaki,Masayuki Yamamura,and Shigenobu Kobayashi 804
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