Regular Section
===============
PAPERS
======
[Automata, Language and Theory of Computing]

 . On the Computational Power of Binary Decision Diagrams .......... 611
        Hiroshi SAWADA, Yasuhiko TAKENAGA and Shuzo YAJIMA

 . Finite State Translation Systems and Parallel Multiple Context-Free
   Grammars ........................................................ 619
        Yuichi KAJI, Hiroyuki SEKI and Tadao KASAMI

 . Outside-In Conditional Narrowing ................................ 631
        Tetsuo IDA and Satoshi OKUI

[Algorithm and Computational Complexity]

 . Computational Complexity of Manipulating Binary Decision Diagrams
            ........................................................ 642
        Yasuhiko TAKENAGA and Shuzo YAJIMA

[Databases]

 . Optimization of Join-Type Queries in Nested Relational Databases  648
        Yaxin LI, Hiroyuki KITAGAWA and Nobuo OHBO

 . Optimization of Queries with ADT Functions ...................... 660
        Xiaodong ZHANG and Nobuo OHBO

[Computer Networks]

 . 2n ‡•n Symmetric Communication Structure for Decentralized Consensus
   Protocols Using a Duality of Indices ............................ 669
        Amane NAKAJIMA

[Image Processing, Computer Graphics and Pattern Recognition]

 . A Motion/Shape Estimation of Multiple Objects Using an Advanced
   Contour Matching Technique ...................................... 676
        Junghyun HWANG, Yoshiteru OOI and Shinji OZAWA

 . Resolution Conversion Method with High Image Quality Preservation
            ........................................................ 686
        Saprangsit MRUETUSATORN, Hirotsugu KINOSHITA and Yoshinori
        SAKAI

 . Segmentation Based on Accumulative Observation of Apparent Motion in
   Long Image Sequences ............................................ 694
        Hsiao-Jing CHEN and Yoshiaki SHIRAI

[Medical Electronics and Medical Information]

 . Analysis of Head and Eye Coordination in Patients with Alzheimer's
   Disease ......................................................... 705
        Mitsuho YAMADA, Mitsuru FUJII, Hitoshi HONGO, Shinji MURAKAMI,
        Norihito NAKANO, Kenya UOMORI, Kumiko UTSUMI, Hiroshi
        YOSHIMATSU, Jiro MIYAZAWA, Keiichi UENO, Ryo FUKATSU and
        Naohiko TAKAHATA

LETTERS
=======
[Automata, Language and Theory of Computing]

 . A Simulation Result for Simultaneously Bounded AuxPDAs .......... 720
        Tetsuro NISHINO

[Artificial Intelligence and Cognitive Science]

 . Three-Dimensionally Fully Space Constructible Functions ......... 723
        Makoto SAKAMOTO, Katsushi INOUE and Itsuo TAKANAMI

 . ABSTRACTS (IEICE Trans., Vol.J77-D-I, J77-D-II, No.6 in Japanese)
            ........................................................ 726