Shigeaki TAGASHIRA


Probabilistic Broadcast-Based Cache Invalidation Scheme for Location Dependent Data in Mobile Environments
Shigeaki TAGASHIRA Yutaka KAMINISHI Yutaka ARAKAWA Teruaki KITASUKA Akira FUKUDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/08/01
Vol. E94-D  No. 8  pp. 1590-1601
Type of Manuscript:  PAPER
Category: Data Engineering, Web Information Systems
Keyword: 
data cachingbroadcast-based cache-invalidationbroadcast schedulingprobabilistic approach
 Summary | Full Text:PDF(1.5MB)

Collaborative Filtering for Position Estimation Error Correction in WLAN Positioning Systems
Shigeaki TAGASHIRA Yuhei KANEKIYO Yutaka ARAKAWA Teruaki KITASUKA Akira FUKUDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/03/01
Vol. E94-B  No. 3  pp. 649-657
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication Technologies for Next-generation Mobile Multimedia Life)
Category: 
Keyword: 
position estimation errorsuser correctionpositioning systemwireless LAN
 Summary | Full Text:PDF(973.4KB)

Multipoint Relay Selections with QoS Support in Link State Routing Protocol for Multi-Hop Wireless Networks
Takeaki KOGA Shigeaki TAGASHIRA Teruaki KITASUKA Tsuneo NAKANISHI Akira FUKUDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/09/01
Vol. E92-A  No. 9  pp. 2218-2226
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: Multi-hop Wireless Network
Keyword: 
MANETOLSRMPR selectionQoS
 Summary | Full Text:PDF(486.6KB)

An Efficient Scheduling Scheme for Assigning Transmission Opportunity in QoS-Guaranteed Wireless LAN
Shigeaki TAGASHIRA Masahiro YAMANE Satoshi FUJITA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/07/01
Vol. E91-A  No. 7  pp. 1562-1569
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
QoSIEEE 802.11escheduling schemetransmission opportunity
 Summary | Full Text:PDF(268.9KB)

A New Caching Technique to Support Conjunctive Queries in P2P DHT
Koji KOBATAKE Shigeaki TAGASHIRA Satoshi FUJITA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/04/01
Vol. E91-D  No. 4  pp. 1023-1031
Type of Manuscript:  PAPER
Category: Computer Systems
Keyword: 
P2P DHTconjunctive queryresult cache
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A Fault-Tolerant Content Addressable Network
Daisuke TAKEMOTO Shigeaki TAGASHIRA Satoshi FUJITA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/06/01
Vol. E89-D  No. 6  pp. 1923-1930
Type of Manuscript:  PAPER
Category: Networks
Keyword: 
peer-to-peer systemfault-tolerancedistributed hash tablecontent addressable network
 Summary | Full Text:PDF(332.1KB)

A Generic Solver Based on Functional Parallelism for Solving Combinatorial Optimization Problems
Shigeaki TAGASHIRA Masaya MITO Satoshi FUJITA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/06/01
Vol. E89-D  No. 6  pp. 1940-1947
Type of Manuscript:  PAPER
Category: Distributed Cooperation and Agents
Keyword: 
combinatorial optimization problemautonomous agentsparallel branch-and-boundwinner determination problem
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A Localization Scheme for Sensor Networks Based on Wireless Communication with Anchor Groups
Hiroyuki OCHI Shigeaki TAGASHIRA Satoshi FUJITA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/05/01
Vol. E89-D  No. 5  pp. 1614-1621
Type of Manuscript:  Special Section PAPER (Special Section on Challenges in Ad-hoc and Multi-hop Wireless Communications)
Category: 
Keyword: 
sensor networkslocalizationrange-freenesspoint-in-triangulation testBluetooth
 Summary | Full Text:PDF(261.6KB)

Proxy-Based Index Caching for Content-Addressable Networks
Shigeaki TAGASHIRA Syuhei SHIRAKAWA Satoshi FUJITA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/02/01
Vol. E89-D  No. 2  pp. 555-562
Type of Manuscript:  Special Section PAPER (Special Section on Parallel/Distributed Computing and Networking)
Category: Peer-to-Peer Computing
Keyword: 
P2P networksdistributed hash tablecontent-addressable networkindex cachingproxy-based technique
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An Active Scheduler: Autonomous Concurrency Control of Parallel Programs in Distributed Environment
Lei DENG Shigeaki TAGASHIRA Satoshi FUJITA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/11/01
Vol. E85-D  No. 11  pp. 1851-1858
Type of Manuscript:  PAPER
Category: Computer Systems
Keyword: 
dynamic load balancingjob schedulingconcurrency controlserver-client modelpriority control
 Summary | Full Text:PDF(812.6KB)

An Information Announcement System Based on WWW for Mobile Computers
Shigeaki TAGASHIRA Keniti NAGATOMO Keizo SAISHO Akira FUKUDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/07/25
Vol. E81-A  No. 7  pp. 1387-1395
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals of Multi-dimensional Mobile Information Network)
Category: 
Keyword: 
announcement systemmobile computerslocal resourcesWWWimplementationevaluation
 Summary | Full Text:PDF(793.4KB)