Hiroshi NAKAGAWA


A Hierarchical Geographical Routing with Alternative Paths Using Autonomous Clustering for Mobile Ad Hoc Networks
Hiroshi NAKAGAWA Satoshi TESHIMA Tomoyuki OHTA Yoshiaki KAKUDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/01/01
Vol. E94-B  No. 1  pp. 37-44
Type of Manuscript:  Special Section PAPER (IEICE/IEEE Joint Special Section on Autonomous Decentralized Systems Technologies and Their Application to Networked Systems)
Category: Assurance
Keyword: 
ad hoc networksautonomous clusteringgeographical routing
 Summary | Full Text:PDF(1.1MB)

Spectral Methods for Thesaurus Construction
Nobuyuki SHIMIZU Masashi SUGIYAMA Hiroshi NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/06/01
Vol. E93-D  No. 6  pp. 1378-1385
Type of Manuscript:  Special Section PAPER (Special Section on Info-Plosion)
Category: Natural Language Processing
Keyword: 
synonym acquisitionsynonym extractionthesaurusspectral clusteringgraph laplacian
 Summary | Full Text:PDF(257.7KB)

A Hybrid Greedy Routing with Location Information for Mobile Ad Hoc Networks
Hiroshi NAKAGAWA Kazuyuki NAKAMARU Tomoyuki OHTA Yoshiaki KAKUDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/09/01
Vol. E91-B  No. 9  pp. 2806-2817
Type of Manuscript:  Special Section PAPER (IEICE/IEEE Joint Special Section on Autonomous Decentralized Systems Theories and Application Deployments)
Category: Ad Hoc Networks
Keyword: 
ad hoc networksgeographical routing
 Summary | Full Text:PDF(837.9KB)

Two Step POS Selection for SVM Based Text Categorization
Takeshi MASUYAMA Hiroshi NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/02/01
Vol. E87-D  No. 2  pp. 373-379
Type of Manuscript:  Special Section PAPER (Special Section on Information Processing Technology for Web Utilization)
Category: 
Keyword: 
text categorizationtext classificationsupport vector machine (SVM)parts of speech (POS)variable cascaded feature selection (VCFS)
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Development of a Superconducting Analog-to-Digital Converter as a Readout for High-Resolution X-Ray Detectors Based on a Superconducting Tunnel Junction
Takayuki OKU Tokihiro IKEDA Chiko OTANI Kazuhiko KAWAI Hiromi SATO Hirohiko M. SHIMIZU Hiromasa MIYASAKA Yoshiyuki TAKIZAWA Hiroshi WATANABE Wataru OOTANI Hiroshi AKOH Hiroshi NAKAGAWA Masahiro AOYAGI Tohru TAINO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/03/01
Vol. E85-C  No. 3  pp. 645-649
Type of Manuscript:  Special Section PAPER (Special Issue on Superconductive Electronics)
Category: Digital Devices and Their Applications
Keyword: 
superconducting analog-to-digital converterX-ray detectorreadoutSQUIDSFQ
 Summary | Full Text:PDF(1.4MB)

Off-Chip Superconductor Wiring in Multichip Module for Josephson LSI Circuit
Shigeo TANAHASHI Takanori KUBO Ryoji JIKUHARA Gentaro KAJI Masami TERASAWA Munecazu TACANO Hiroshi NAKAGAWA Masahiro AOYAGI Itaru KUROSAWA Susumu TAKADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/08/25
Vol. E77-C  No. 8  pp. 1157-1163
Type of Manuscript:  INVITED PAPER (Special Section on Superconducting Devices)
Category: LTS
Keyword: 
multichip modulesuperconductor wiringNb,polyimideJosephson LSI
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A New Drive Circuit Built in a Multichip Module for Supplying a Two-Phase Power to Josephson LSI Circuits
Takanori KUBO Shigeo TANAHASHI Kazuhiro KAWABATA Ryoji JIKUHARA Gentaro KAJI Masami TERASAWA Hiroshi NAKAGAWA Masahiro AOYAGI Youichi HAMAZAKI Itaru KUROSAWA Susumu TAKADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/06/25
Vol. E77-C  No. 6  pp. 970-974
Type of Manuscript:  PAPER
Category: Superconductive Electronics
Keyword: 
multilayer ceramic substratemultichip moduleJosephson LSIa quarter wavelength stripline
 Summary | Full Text:PDF(644.3KB)

Josephson Computer Technology for a Multi-Chip Computer ETL-JC1
Susumu TAKADA Itaru KUROSAWA Hiroshi NAKAGAWA Masahiro AOYAGI Shin KOSAKA Youich HAMAZAKI Yoshikuni OKADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/03/25
Vol. E74-C  No. 3  pp. 568-577
Type of Manuscript:  INVITED PAPER
Category: 
Keyword: 
 Summary | Full Text:PDF(1.1MB)