Hiroshi SUNAGA


Peer-to-Peer Non-document Content Searching Method Using User Evaluation of Semantic Vectors
Yoji YAMATO Hiroshi SUNAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/09/01
Vol. E89-B  No. 9  pp. 2309-2318
Type of Manuscript:  Special Section PAPER (Special Section on Networking Technologies for Overlay Networks)
Category: 
Keyword: 
peer-to-peercontent retrievalvector space methodCANsemantic vector
 Summary | Full Text:PDF(850.8KB)

P2P Network Topology Control over a Mobile Ad-Hoc Network
Kiyoshi UEDA Hiroshi SUNAGA Sumio MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/12/01
Vol. E88-B  No. 12  pp. 4490-4497
Type of Manuscript:  Special Section PAPER (IEICE/IEEE Joint Special Section on Autonomous Decentralized Systems)
Category: Ad hoc, Sensor Network and P2P
Keyword: 
P2Pmobile ad-hoc networktopologymetadataoverlay network
 Summary | Full Text:PDF(1.2MB)

Evaluation of Partial File Modification for Java-Based Realtime Communication Systems
Tetsuyasu YAMADA Hiroshi SUNAGA Shinji TANAKA Satoshi SHIRAISHI Keiichi KOYANAGI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/10/01
Vol. E88-B  No. 10  pp. 3982-3991
Type of Manuscript:  PAPER
Category: Switching for Communications
Keyword: 
non-stop technologyon-line file modificationplug-inswitching program
 Summary | Full Text:PDF(1.6MB)

Technical Trends in P2P-Based Communications
Hiroshi SUNAGA Takashige HOSHIAI Satoshi KAMEI Shoji KIMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/10/01
Vol. E87-B  No. 10  pp. 2831-2846
Type of Manuscript:  SURVEY PAPER
Category: Internet
Keyword: 
P2PintelligentcommunityDHTtraffic measurementSIONet
 Summary | Full Text:PDF(1.8MB)

Evaluation of 'Plug-in' Partial File Modification Mechanisms for Node Systems
Hiroshi SUNAGA Ryoichi NAKAMURA Tetsuyasu YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/03/25
Vol. E82-B  No. 3  pp. 500-511
Type of Manuscript:  PAPER
Category: Switching and Communication Processing
Keyword: 
non-stop technologyon-line file modificationplug-inswitching program
 Summary | Full Text:PDF(700.8KB)

Large-Scale VTOA Switching Node Architecture
Hiroshi SUNAGA Takenori OKUTANI Kou MIYAKE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/01/25
Vol. E82-B  No. 1  pp. 70-80
Type of Manuscript:  PAPER
Category: Switching and Communication Processing
Keyword: 
VTOAATMAAL type 2communication switching node
 Summary | Full Text:PDF(417.5KB)

Evaluation of Software Development Productivity and Analysis of Productivity Improvement Methods for Switching Systems
Hiroshi SUNAGA Tetsuyasu YAMADA Kenji NISHIKAWARA Tatsuro MURAKAMI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/12/25
Vol. E81-B  No. 12  pp. 2519-2527
Type of Manuscript:  PAPER
Category: Switching and Communication Processing
Keyword: 
productivitySDEsoftware platformobject-oriented design
 Summary | Full Text:PDF(849.5KB)

Automatic Code Production of Office Data Handling Programs for Switching Systems
Hiroshi SUNAGA Hajime MATSUMURA Takashige HAYASHI Kenji NISHIKAWARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/10/25
Vol. E81-B  No. 10  pp. 1831-1839
Type of Manuscript:  PAPER
Category: Switching and Communication Processing
Keyword: 
office dataon-line modificationautomatic codingsoftware platform
 Summary | Full Text:PDF(809.4KB)

ATM Internode Signalling Processing for a Multimedia Network
Hiroshi SUNAGA Takumi OHBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/03/25
Vol. E81-B  No. 3  pp. 537-544
Type of Manuscript:  PAPER
Category: Signaling System and Communication Protocol
Keyword: 
ATM internode signallingB-ISDNNNIcommon channel signallingMTP3b
 Summary | Full Text:PDF(664.6KB)

Applicability Evaluation of Service Feature Enhancement Using Plug-in Modification Technique
Keiichi KOYANAGI Hiroshi SUNAGA Tetsuyasu YAMADA Hiromasa IKEDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/01/25
Vol. E81-B  No. 1  pp. 58-65
Type of Manuscript:  PAPER
Category: Communication Software
Keyword: 
plug-innon-stop technologypartial-file modificationswitching program
 Summary | Full Text:PDF(827.8KB)

Increased Software Reusability in a Communication Switching Platform Based on Object-Oriented Design
Hiroshi SUNAGA Makoto FURUKAWA Kenji NISHIKAWARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/09/25
Vol. E80-B  No. 9  pp. 1300-1310
Type of Manuscript:  PAPER
Category: Communication Software
Keyword: 
switching softwarecommon software platformsoftware reuseobject-oriented design
 Summary | Full Text:PDF(922.5KB)

Non-Stop Service-Enhanceable Communications Software Platform Based on an Object-Oriented Paradigm
Keiichi KOYANAGI Tetsuyasu YAMADA Hiroshi SUNAGA Akira OKAMOTO Michihiro MONDEN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/07/25
Vol. E78-B  No. 7  pp. 1043-1055
Type of Manuscript:  PAPER
Category: Communication Software
Keyword: 
object-orientednon-stop technologyC++switching program
 Summary | Full Text:PDF(1.1MB)

Applying TMN to a Highly Reliable Distributed Switching Node
Kiyoshi UEDA Hisayoshi INAMORI Hiroshi SUNAGA Keiichi KOYANAGI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/01/25
Vol. E78-B  No. 1  pp. 24-30
Type of Manuscript:  Special Section PAPER (Special Issue on Network Operations and Management)
Category: 
Keyword: 
Telecommunications Management Network (TMN)switching nodeOSI protocolmanaged object (MO)distributed system configuration
 Summary | Full Text:PDF(706KB)

Distributed Communications System Technology
Keiichi KOYANAGI Hiroshi SUNAGA Tetsuyasu YAMADA Makoto TOMURA Nobuaki KURIHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/11/25
Vol. E77-B  No. 11  pp. 1350-1362
Type of Manuscript:  Special Section PAPER (Special Issue on Distributed Architecture for Next Generation Communication Networks)
Category: 
Keyword: 
distributed processingobject-orientedCHILLcommunications system softwareATMautonomous system control
 Summary | Full Text:PDF(1.1MB)