Hirotsugu KAKUGAWA


A Single Agent Exploration in Unknown Undirected Graphs with Whiteboards
Yuichi SUDO Daisuke BABA Junya NAKAMURA Fukuhito OOSHITA Hirotsugu KAKUGAWA Toshimitsu MASUZAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/10/01
Vol. E98-A  No. 10  pp. 2117-2128
Type of Manuscript:  PAPER
Category: Algorithms and Data Structures
Keyword: 
graph explorationmobile agentwhiteboard
 Summary | Full Text:PDF(1.9MB)

A Self-Adaptive Routing Protocol in Wireless LANs Based on Attractor Selection
Gen NISHIKAWA Tomoko IZUMI Fukuhito OOSHITA Hirotsugu KAKUGAWA Toshimitsu MASUZAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/10/01
Vol. E92-D  No. 10  pp. 2016-2024
Type of Manuscript:  PAPER
Category: Computation and Computational Models
Keyword: 
attractor selectionwireless LANaccess point selectionwired path selection
 Summary | Full Text:PDF(853.8KB)

A Biologically Inspired Self-Adaptation of Replica Density Control
Tomoko IZUMI Taisuke IZUMI Fukuhito OOSHITA Hirotsugu KAKUGAWA Toshimitsu MASUZAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/05/01
Vol. E92-D  No. 5  pp. 1125-1136
Type of Manuscript:  PAPER
Category: Distributed Cooperation and Agents
Keyword: 
replica density controlresource replicationbio-inspired approachsingle species population model
 Summary | Full Text:PDF(868.8KB)

Distributed Construction Protocols of Probabilistic Degree-Weighted Peer-to-Peer Overlays
Yu WU Fukuhito OOSHITA Hirotsugu KAKUGAWA Toshimitsu MASUZAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/04/01
Vol. E92-D  No. 4  pp. 563-574
Type of Manuscript:  PAPER
Category: Computation and Computational Models
Keyword: 
peer-to-peeroverlayproportional degreePWDN
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Hierarchical Composition of Self-Stabilizing Protocols Preserving the Fault-Containment Property
Yukiko YAMAUCHI Sayaka KAMEI Fukuhito OOSHITA Yoshiaki KATAYAMA Hirotsugu KAKUGAWA Toshimitsu MASUZAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/03/01
Vol. E92-D  No. 3  pp. 451-459
Type of Manuscript:  PAPER
Category: Distributed Cooperation and Agents
Keyword: 
fault-containmentself-stabilizationcomposition
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FOREWORD
Hirotsugu KAKUGAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/02/01
Vol. E92-D  No. 2  pp. 107-107
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(74.5KB)

A Message-Efficient Peer-to-Peer Search Protocol Based on Adaptive Index Dissemination
Yu WU Taisuke IZUMI Fukuhito OOSHITA Hirotsugu KAKUGAWA Toshimitsu MASUZAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/02/01
Vol. E92-D  No. 2  pp. 258-268
Type of Manuscript:  PAPER
Category: Computation and Computational Models
Keyword: 
peer-to-peersearchmessage costpopularityadaptabilityindex-dissemination
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An Efficient Index Dissemination in Unstructured Peer-to-Peer Networks
Yusuke TAKAHASHI Taisuke IZUMI Hirotsugu KAKUGAWA Toshimitsu MASUZAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/07/01
Vol. E91-D  No. 7  pp. 1971-1981
Type of Manuscript:  PAPER
Category: Algorithm Theory
Keyword: 
Bloom filterunstructured P2P networkslookup problemindex disseminationquery routing
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A Self-Stabilizing Approximation Algorithm for the Distributed Minimum k-Domination
Sayaka KAMEI Hirotsugu KAKUGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/05/01
Vol. E88-A  No. 5  pp. 1109-1116
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
self-stabilizing distributed algorithmfault-toleranceapproximationminimum k-dominating setgeneral networks
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A Self-Stabilizing Distributed Algorithm for the Steiner Tree Problem
Sayaka KAMEI Hirotsugu KAKUGAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/02/01
Vol. E87-D  No. 2  pp. 299-307
Type of Manuscript:  Special Section PAPER (Special Section on Foundations of Computer Science)
Category: 
Keyword: 
distributed algorithmfault-tolerantself-stabilizing algorithmfair compositionSteiner tree problem
 Summary | Full Text:PDF(920.5KB)