Yasunori ISHIHARA


Decidability of the Security against Inference Attacks Using a Functional Dependency on XML Databases
Kenji HASHIMOTO  Hiroto KAWAI  Yasunori ISHIHARA  Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/05/01
Vol. E95-D  No. 5  pp. 1365-1374
Type of Manuscript: Special Section PAPER (Special Section on Formal Approach)
Category: Database Security
Keyword: 
XML databaseinference attacksecurityverificationfunctional dependency
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FOREWORD
Yasunori ISHIHARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/05/01
Vol. E94-D  No. 5  pp. 945-945
Type of Manuscript: FOREWORD
Category: 
Keyword: 
  Summary |  Full Text:PDF (56.7KB)

Verification of the Security against Inference Attacks on XML Databases
Kenji HASHIMOTO  Kimihide SAKANO  Fumikazu TAKASUKA  Yasunori ISHIHARA  Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/05/01
Vol. E92-D  No. 5  pp. 1022-1032
Type of Manuscript: Special Section PAPER (Special Section on Formal Approach)
Category: Security
Keyword: 
XML databaseinference attacksecurityverification
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Security against Inference Attacks on Negative Information in Object-Oriented Databases
Yasunori ISHIHARA  Shuichiro AKO  Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/12/01
Vol. E88-D  No. 12  pp. 2767-2776
Type of Manuscript: PAPER
Category: Database
Keyword: 
object-oriented databaseauthorizationinference attacknegative information
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Sufficient Conditions for Update Operations on Object-Oriented Databases to Preserve the Security against Inference Attacks
Yasunori ISHIHARA  Kengo MORI  Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/10/01
Vol. E86-D  No. 10  pp. 2187-2197
Type of Manuscript: PAPER
Category: Databases
Keyword: 
object-oriented databaseauthorizationinference attacksecurityincremental checking
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An Approximation Algorithm for the Task-Coalition Assignment Problem
Yoshihiro MURATA  Yasunori ISHIHARA  Minoru ITO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/04/01
Vol. E85-D  No. 4  pp. 685-693
Type of Manuscript: PAPER
Category: Algorithms
Keyword: 
agentapproximation algorithmtasksassignmentinapproximability
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Complexity of the Type-Consistency Problem for Acyclic Object-Oriented Database Schemas
Shougo SHIMIZU  Yasunori ISHIHARA  Junji YOKOUCHI  Minoru ITO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2001/05/01
Vol. E84-D  No. 5  pp. 623-634
Type of Manuscript: PAPER
Category: Databases
Keyword: 
object-oriented databasetype-consistency problemacyclic schemacomplexity
  Summary |  Full Text:PDF (804.3KB)

Computational Complexity of Finding Highly Co-occurrent Itemsets in Market Basket Databases
Yeon-Dae KWON  Yasunori ISHIHARA  Shougo SHIMIZU  Minoru ITO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/12/20
Vol. E83-A  No. 12  pp. 2723-2735
Type of Manuscript: PAPER
Category: General Fundamentals and Boundaries
Keyword: 
data mininglarge itemsethighly co-occurrent itemsetcomputational complexity
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Verification of a Microcomputer Program Specification Embedded in a Reactive System
Yasunori ISHIHARA  Kiichiro NINOMIYA  Hiroyuki SEKI  Daisuke TAKAHARA  Yutaka YAMADA  Shigesada OMOTO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2000/05/20
Vol. E83-D  No. 5  pp. 1082-1091
Type of Manuscript: PAPER
Category: Software Engineering
Keyword: 
compositional verificationmodel checkingreactive systemreachability graph
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A Formal Approach to Detecting Security Flaws in Object-Oriented Databases
Toshiyuki MORITA  Yasunori ISHIHARA  Hiroyuki SEKI  Minoru ITO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1999/01/20
Vol. E82-D  No. 1  pp. 89-98
Type of Manuscript: Special Section PAPER (Special Issue on New Generation Database Technologies)
Category: Theoretical Aspects
Keyword: 
object-oriented databaseauthorizationsecurity flawterm rewriting system
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An Authorization Model for Object-Oriented Databases and Its Efficient Access Control
Toshiyuki MORITA  Yasunori ISHIHARA  Hiroyuki SEKI  Minoru ITO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1998/06/20
Vol. E81-D  No. 6  pp. 521-531
Type of Manuscript: PAPER
Category: Databases
Keyword: 
database management systemaccess controlauthorization modelinference rule
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Testing Type Consistency of Method Schemas
Hiroyuki SEKI  Yasunori ISHIHARA  Hiroki DODO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1998/03/20
Vol. E81-D  No. 3  pp. 278-287
Type of Manuscript: PAPER
Category: Software Theory
Keyword: 
object-oriented programmingmethod schemabase methoduser methodconsistency
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Assignment of Data Types to Words in a Natural Language Specification
Yasunori ISHIHARA  Atsushi OHSAKI  Hiroyuki SEKI  Tadao KASAMI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/06/20
Vol. E79-D  No. 6  pp. 820-828
Type of Manuscript: PAPER
Category: Automata,Languages and Theory of Computing
Keyword: 
natural language specificationalgebraic specificationdata type
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A Translation Method from Natural Language Specifications of Communication Protocols into Algebraic Specifications Using Contextual Dependencies
Yasunori ISHIHARA  Hiroyuki SEKI  Tadao KASAMI  Jun SHIMABUKURO  Kazuhiko OKAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1993/12/20
Vol. E76-D  No. 12  pp. 1479-1489
Type of Manuscript: PAPER
Category: Automaton, Language and Theory of Computing
Keyword: 
natural language specificationalgebraic specificationcommunication protocoltranslation
  Summary |  Full Text:PDF (953.1KB)