Special Issue on Algorithmic Learning Theory
============================================
 . FOREWORD ........................................................ 517
        Takashi YOKOMORI

PAPERS
======
[Computational Learning Theory]

 . On the Sample Complexity of Consistent Learning with One-Sided Error
            ........................................................ 518
        Eiji TAKIMOTO and Akira MARUOKA

 . Improved Sample Complexity Bounds for Parameter Estimation ...... 526
        Jun-ichi TAKEUCHI

 . Properties of Language Classes with Finite Elasticity ........... 532
        Takashi MORIYAMA and Masako SATO

 . Learning Logic Programs Using Definite Equality Theories as
   Background Knowledge ............................................ 539
        Akihiro YAMAMOTO

[Machine Learning and Its Applications]

 . Identifying Strategies Using Decision Lists from Trace Information
            ........................................................ 545
        Satoshi KOBAYASHI

 . An Approach to Concept Formation Based on Formal Concept Analysis
            ........................................................ 553
        Tu Bao HO

 . Learning Theory Toward Genome Informatics ....................... 560
        Satoru MIYANO

Regular Section
===============
PAPERS
======
[Computer Systems]

 . Proposing Multi-Space Directory (MSD) over Tree Directory ....... 568
        Jinghua MIN and Hidehiko TANAKA

[Databases]

 . Optimizing Linear Recursive Formulas by Detaching Isolated Variables
            ........................................................ 579
        Xiaoyong DU and Naohiro ISHII

[Image Processing, Computer Graphics and Pattern Recognition]

 . A Design of Pipelined Architecture for Hierarchical Block-Matching
   Algorithm ....................................................... 586
        Hyung Chul KIM, Seung Ryoul MAENG and Jung Wan CHO

LETTERS
=======
[Algorithm and Computational Complexity]

 . On Construction of Non-systematic t-Symmetric Error Correcting/All
   Unidirectional Error Detecting Codes ............................ 596
        Sandip KUNDU

 . ABSTRACTS (IEICE Trans., Vol.J78-D-I, J78-D-II, No.5 in Japanese)
            ........................................................ 600