Journal of Japanese Society for Artificial Intelligence
Vol.14 No.4(Jul. 1999)

CONTENTS

Commentary
  90% AI System for Real-World Problems......................Katsushi Ikeuchi  577

Special Issue: "Mobile Computing and Agent"
  Editor's Introduction to  "Mobile Computing and Agent" .......Eiichi Ohsawa  578
  Mobile Computing and Agent Augmented Reality..................Katashi Nagao  579
  Agents That Support Information Gathering for Mobile Users
        ....................................................Katsumi Takahashi  590
  Survey on Mobile Agents........................................Ichiro Satoh  598

Survey Papers
  Automated Driving Systems of Vehicles......................Sadayuki Tsugawa  606

AI map
  Fascinated by Explicit Understanding.........................Hiroshi Motoda  615

Technical Papers
  Performance Improvement in Production Systems by Changing Match Algorithms
    Dynamically..............................................Takahiro Hayashi,
       Haruhiko Kimura, Sadaki Hirose, Hidetaka Nambo and Shigeki Hirobayashi  626

  Distributed Partial Constraint Satisfaction Problem
        .................................Katsutoshi Hirayama and Makoto Yokoo  636

  Considerations on the Complexity of Visual Reasoning with Sentences and Diagrams
        .................................Kensuke Kiyozuka and Hajime Sawamura  646

  On a Process of Agent Invasion and Profitability of Strategies Taking
    Intermediate Actions.................Kazuhiro Chiba and Kunihiko Hiraishi  657

  Autonomous State Abstraction from Heterogeneous and Redundant Sensor Information
        ....................Takehisa Yairi, Shinichi Nakasuka and Koichi Hori  667

  A Constructive Learning Algorithm Which Invents New Predicates Based on
    Schemata and Queries....................Kimihito Ito and Akihiro Yamamoto  679

  Stepwise Diversity Recovering on Genetic Algorithms and Its Assessment
        ..................................Hirokazu Watabe and Tsukasa Kawaoka  689

  How Is Irony Distinguished from Nonirony?:
    An Implicit-Display-Based Model of Irony-Nonirony Distinction
      ...........................................................Akira Utsumi  700

  Finding Hypotheses from Examples by Computing the Least Generalization of
    Bottom Clauses..........................Kimihito Ito and Akihiro Yamamoto  709

  The Representation of Sound Streams Using Hierarchical Data Structure:
    A Computational Model of Sound Stream Segregation
        ...................Masakazu Ichinose, Masaharu Kato and Kazuhiro Ueda  717

Research Notes
  Q-ee Learning: A Novel Q-Learning Method with Exploitation and Exploration
        .............................Gang Zhao, Shoji Tatsumi and Ruoying Sun  727

Technical Reports
  A Comparison of Running Time of KICK-SHOTGAN and KICK-HOPE
        ....Atsuyoshi Deyama, Haruhiko Kimura, Masato Izumi and Sadaki Hirose  733