IEICE Trans

Eiji OKAMOTO

Performance Comparison of Multi-User Shared Multiple Access Scheme in Uplink Channels Eiji OKAMOTO Manabu MIKAMI Hitoshi YOSHINO
Publication: Publication Date: 2019/08/01 Vol. E102-B No. 8 pp. 1458-1466 Type of Manuscript: Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G and Beyond) Category: Keyword: 5G, non-orthogonal multiple access scheme, multi-user shared access, uplink, orthogonal frequency division multiple access, LDPC code,
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Provably Secure Gateway Threshold Password-Based Authenticated Key Exchange Secure against Undetectable On-Line Dictionary Attack Yukou KOBAYASHI Naoto YANAI Kazuki YONEYAMA Takashi NISHIDE Goichiro HANAOKA Kwangjo KIM Eiji OKAMOTO
Publication: Publication Date: 2017/12/01 Vol. E100-A No. 12 pp. 2991-3006 Type of Manuscript: PAPER Category: Cryptography and Information Security Keyword: password-based authenticated key exchange (PAKE), threshold cryptography,
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Card-Based Protocols Using Regular Polygon Cards Kazumasa SHINAGAWA Takaaki MIZUKI Jacob C.N. SCHULDT Koji NUIDA Naoki KANAYAMA Takashi NISHIDE Goichiro HANAOKA Eiji OKAMOTO
Publication: Publication Date: 2017/09/01 Vol. E100-A No. 9 pp. 1900-1909 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: card-based protocol, regular polygon cards,
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Application of Non-Orthogonal Multiple Access Scheme for Satellite Downlink in Satellite/Terrestrial Integrated Mobile Communication System with Dual Satellites Eiji OKAMOTO Hiroyuki TSUJI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2016/10/01 Vol. E99-B No. 10 pp. 2146-2155 Type of Manuscript: Special Section PAPER (Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2015) Category: Keyword: satellite/terrestrial integrated mobile communication system, multi-satellite, non-orthogonal multiple access, proportional fair scheduling, downlink,
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Radio Access Technologies for Fifth Generation Mobile Communications System: Review of Recent Research and Developments in Japan Hidekazu MURATA Eiji OKAMOTO Manabu MIKAMI Akihiro OKAZAKI Satoshi SUYAMA Takamichi INOUE Jun MASHINO Tetsuya YAMAMOTO Makoto TAROMARU
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2016/08/01 Vol. E99-B No. 8 pp. 1638-1647 Type of Manuscript: INVITED PAPER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC2015) Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: fifth generation mobile communication systems, higher frequency band, massive MIMO, C-Plane/U-Plane splitting, C-RAN,
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Secure Computation Protocols Using Polarizing Cards Kazumasa SHINAGAWA Takaaki MIZUKI Jacob C. N. SCHULDT Koji NUIDA Naoki KANAYAMA Takashi NISHIDE Goichiro HANAOKA Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2016/06/01 Vol. E99-A No. 6 pp. 1122-1131 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: card-based protocols, polarizing cards, secure computation, boolean circuits, recreational cryptography,
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An Accurate Indoor-Localization Scheme with NLOS Detection and Elimination Exploiting Stochastic Characteristics Manato HORIBA Eiji OKAMOTO Toshiko SHINOHARA Katsuhiko MATSUMURA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2015/09/01 Vol. E98-B No. 9 pp. 1758-1767 Type of Manuscript: Special Section PAPER (Special Section on Emerging Technologies on Ambient Sensor Networks toward Future Generation) Category: Keyword: sensor network, indoor localization, NLOS environment, iterative minimum residual scheme, stochastic characteristic,
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A Chaos MIMO Transmission Scheme Using Turbo Principle for Secure Channel-Coded Transmission Eiji OKAMOTO Yuma INABA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2015/08/01 Vol. E98-B No. 8 pp. 1482-1491 Type of Manuscript: Special Section PAPER (Special Section on 5G Radio Access Networks―Part I: Radio Access Technologies and System Design) Category: Keyword: chaos communication, MIMO, physical layer security, log-likelihood ratio, turbo decoding,
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Implementation of an Elliptic Curve Scalar Multiplication Method Using Division Polynomials Naoki KANAYAMA Yang LIU Eiji OKAMOTO Kazutaka SAITO Tadanori TERUYA Shigenori UCHIYAMA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2014/01/01 Vol. E97-A No. 1 pp. 300-302 Type of Manuscript: Special Section LETTER (Special Section on Cryptography and Information Security) Category: Keyword: elliptic curve, division polynomial, scalar multiplication, elliptic net,
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An Efficient Channel Estimation Scheme Using Walsh Pilots in Bi-directional Wireless OFDM Relay Systems with Analog Network Coding Yuta KOSHIMIZU Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/08/01 Vol. E96-B No. 8 pp. 2119-2130 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: channel estimation, OFDM, analog network coding, Walsh code,
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Performance Improvement of IMR-Based NLOS Detection in Indoor Ultra Wide-Band TOA Localization Kazutaka FUKUDA Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2012/10/01 Vol. E95-A No. 10 pp. 1658-1666 Type of Manuscript: Special Section PAPER (Special Section on Advances in Adaptive Signal Processing and Applications) Category: Sensor Network Keyword: sensor networks, UWB, TOA-based position estimation system, NLOS environment, IMR method,
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A Chaos MIMO Transmission Scheme for Channel Coding and Physical-Layer Security Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/04/01 Vol. E95-B No. 4 pp. 1384-1392 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: chaos coded modulation, MIMO, maximum likelihood decoding, convolutional code,
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A Note on the Pairing Computation Using Normalized Miller Functions Naoki OGURA Shigenori UCHIYAMA Naoki KANAYAMA Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2012/01/01 Vol. E95-A No. 1 pp. 196-203 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Mathematics Keyword: pairing, Miller's algorithm, rational functions, normalization,
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A Markov-Based Satellite-to-Ground Optical Channel Model and Its Effective Coding Scheme Yoshitoshi YAMASHITA Eiji OKAMOTO Yasunori IWANAMI Yozo SHOJI Morio TOYOSHIMA Yoshihisa TAKAYAMA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/01/01 Vol. E95-B No. 1 pp. 254-262 Type of Manuscript: PAPER Category: Satellite Communications Keyword: optical satellite communication, optical satellite-to-ground link, Markov model, LDGM code,
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Identity-Based Proxy Cryptosystems with Revocability and Hierarchical Confidentialities Lihua WANG Licheng WANG Masahiro MAMBO Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2012/01/01 Vol. E95-A No. 1 pp. 70-88 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Public Key Cryptography Keyword: proxy decryption, proxy re-encryption, revocability, hierarchical confidentialities,
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An Effective Downlink Resource Allocation Scheme Based on MIMO-OFDMA-CDM in Cellular System Yasuhiro FUWA Eiji OKAMOTO Yasunori IWANAMI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/12/01 Vol. E94-B No. 12 pp. 3550-3558 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: OFDMA-CDM, MIMO, cellular system, resource allocation, proportional fairness,
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Scalar Multiplication on Pairing Friendly Elliptic Curves Naoki KANAYAMA Tadanori TERUYA Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/06/01 Vol. E94-A No. 6 pp. 1285-1292 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: scalar multiplication, Ate_i pairing, optimal pairing, endomorphism,
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An Evaluation on Throughput Performance for Type II Hybrid-ARQ Using Non-binary Rate-Compatible-Punctured LDPC Codes Takashi KOZAWA Yasunori IWANAMI Eiji OKAMOTO Ryota YAMADA Naoki OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/11/01 Vol. E93-A No. 11 pp. 2089-2091 Type of Manuscript: Special Section LETTER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: non-binary RCP LDPC code, Type II Hybrid-ARQ, OFDM, Symbol-LLR,
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A Comparative Study on Time Domain Sequential Equalizer with MLD and MLSE Equalizer on MIMO Frequency Selective Channels Satoshi NAKANOBU Yasunori IWANAMI Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/11/01 Vol. E93-B No. 11 pp. 3197-3202 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: MIMO, ISI canceller, MLD, MLSE, Time domain,
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Forecasting of Information Security Related Incidents: Amount of Spam Messages as a Case Study Anton ROMANOV Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/06/01 Vol. E93-B No. 6 pp. 1411-1421 Type of Manuscript: Special Section PAPER (Special Section on Quality of Communication Networks and Services) Category: Keyword: information security incidents, forecasting, planning,
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Sender Authenticated Key Agreements without Random Oracles Chifumi SATO Takeshi OKAMOTO Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2009/08/01 Vol. E92-A No. 8 pp. 1787-1794 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Theory Keyword: authenticated key agreements, one-way functions, decision co-bilinear Diffie-Hellman problems, standard models,
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Optimised Versions of the Ate and Twisted Ate Pairings Seiichi MATSUDA Naoki KANAYAMA Florian HESS Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2009/07/01 Vol. E92-A No. 7 pp. 1660-1667 Type of Manuscript: PAPER Category: Cryptography and Information Security Keyword: tate pairing, eta pairing, ate pairing, twisted ate pairing,
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Some Efficient Algorithms for the Final Exponentiation of η_T Pairing Masaaki SHIRASE Tsuyoshi TAKAGI Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/01/01 Vol. E91-A No. 1 pp. 221-228 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Implementation Keyword: Tate pairing, η_T pairing, final exponentiation, torus,
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An ID-SP-M4M Scheme and Its Security Analysis Lihua WANG Eiji OKAMOTO Ying MIAO Takeshi OKAMOTO Hiroshi DOI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2007/01/01 Vol. E90-A No. 1 pp. 91-100 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Signatures Keyword: series-parallel multisignature, pairing, ID-based, BDH assumption,
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Authorization-Limited Transformation-Free Proxy Cryptosystems and Their Security Analyses Lihua WANG Zhenfu CAO Takeshi OKAMOTO Ying MIAO Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/01/01 Vol. E89-A No. 1 pp. 106-114 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Protocol Keyword: proxy cryptosystem, pairing, authorization-limited, transformation-free, BDH assumption,
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Application of Wavelet Packet Modulation to Mobile Communication Eiji OKAMOTO Yasunori IWANAMI Tetsushi IKEGAMI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/10/01 Vol. E87-A No. 10 pp. 2684-2691 Type of Manuscript: Special Section PAPER (Special Section on Wide Band Systems) Category: Keyword: wavelet packet modulation, OFDM, multipath fading, multimode transmission,
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A Fast Signature Scheme with New On-line Computation Takeshi OKAMOTO Hirofumi KATSUNO Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/05/01 Vol. E87-A No. 5 pp. 1154-1161 Type of Manuscript: Special Section LETTER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: digital signature, on-line computation, random oracle model, provable security,
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Security of Kuwakado-Tanaka Transitive Signature Scheme for Directed Trees Xun YI Chik-How TAN Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/04/01 Vol. E87-A No. 4 pp. 955-957 Type of Manuscript: LETTER Category: Information Security Keyword: cryptography, transitive signature, forgery attack,
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The Dynamic-Typed Access Matrix Model and Decidability of the Safety Problem Masakazu SOSHI Mamoru MAEKAWA Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/01/01 Vol. E87-A No. 1 pp. 190-203 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Applications Keyword: access control, access matrix model, safety problem, computational complexity, decidability,
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A Pilot-Symbol-Assisted Fading and Frequency-Offset Compensation Method Using FFT Eiji OKAMOTO Huan-Bang LI Tetsushi IKEGAMI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/07/01 Vol. E85-A No. 7 pp. 1656-1664 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: fading and frequency-offset compensation, pilot symbol, fast Fourier transform, frequency-offset estimator,
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FOREWORD Kyoki IMAMURA Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/10/01 Vol. E84-A No. 10 pp. 2375-2375 Type of Manuscript: FOREWORD Category: Keyword:
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Constructing Identity-Based Key Distribution Systems over Elliptic Curves Hisao SAKAZAKI Eiji OKAMOTO Masahiro MAMBO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/10/25 Vol. E81-A No. 10 pp. 2138-2143 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Security Keyword: ID-based key distribution systems, elliptic curve, message recovery signature,
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A Simple Parallel Algorithm for the Ziv-Lempel Encoding Ken-ichi IWATA Masakatu MORII Tomohiko UYEMATSU Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/04/25 Vol. E81-A No. 4 pp. 709-712 Type of Manuscript: LETTER Category: Information Theory and Coding Theory Keyword: parallel encoding, sliding-window Ziv-Lempel algorithm, longest-matched string, universal data compression,
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Anonymous Public Key Certificates and their Applications Kazuomi OISHI Masahiro MAMBO Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/01/25 Vol. E81-A No. 1 pp. 56-64 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: public key certificates, one-time certificates, anonymity, unlinkability,
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FOREWORD Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/01/25 Vol. E81-A No. 1 pp. 1-1 Type of Manuscript: FOREWORD Category: Keyword:
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Factoring Hard Integers on a Parallel Machine Rene PERALTA Masahiro MAMBO Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/04/25 Vol. E80-A No. 4 pp. 658-662 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: integer factorization, Cunningham project, parallel algorithms, HMPQS, number-theoretic cryptology,
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Proxy Cryptosystems: Delegation of the Power to Decrypt Ciphertexts Masahiro MAMBO Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/01/25 Vol. E80-A No. 1 pp. 54-63 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: proxy cryptosystem, proxy, proxy decryptor, ciphertext transformation,
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A Simple Construction of Codes for Identification via Channels under Average Error Criterion Tomohiko UYEMATSU Kennya NAGANO Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/09/25 Vol. E79-A No. 9 pp. 1440-1443 Type of Manuscript: Special Section LETTER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: identification via channels, code construction, identification capacity, error exponent,
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Proxy Signatures: Delegation of the Power to Sign Messages Masahiro MAMBO Keisuke USUDA Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/09/25 Vol. E79-A No. 9 pp. 1338-1354 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Source Coding/Security Keyword: proxy, proxy signature, proxy signer, delegation, seal,
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Faster Factoring of Integers of a Special Form Rene PERALTA Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/04/25 Vol. E79-A No. 4 pp. 489-493 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: factoring, computational number theory, cryptography, ESIGN,
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Algebraic Properties of Permutation Polynomials Eiji OKAMOTO Wayne AITKEN George Robert BLAKLEY
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/04/25 Vol. E79-A No. 4 pp. 494-501 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: finite field, permutation polynomial, cryptography, transposition, cycle,
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FOREWORD Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/01/25 Vol. E79-A No. 1 pp. 1-1 Type of Manuscript: FOREWORD Category: Keyword:
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Proposal of an Automatic Signature Scheme Using a Compiler Keisuke USUDA Masahiro MAMBO Tomohiko UYEMATSU Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/01/25 Vol. E79-A No. 1 pp. 94-101 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: computer virus, virus protection, digital signature, automatic signature scheme,
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On Ambiguity in Coppersmith' Attacking Method a against NIKS-TAS Scheme Shigeo TSUJII Kiyomichi ARAKI Masao KASAHARA Eiji OKAMOTO Ryuichi SAKAI Yasuo MAEDA Tomohiko YAGISAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/01/25 Vol. E79-A No. 1 pp. 66-75 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: modulo degeneracy, cryptanalysis, ID-based key sharing, NIKS-TAS,
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Reliability Functions for Concatenated Codes Employing Modular Codes with Maximum Likelihood Decoding Tomohiko UYEMATSU Junya KAGA Eiji OKAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1995/09/25 Vol. E78-A No. 9 pp. 1160-1169 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Keyword: concatenated code, algebraic geometry code, reliability function, discrete memoryless channel,
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Permutation Cipher Scheme Using Polynomials over a Field Eiji OKAMOTO Tomohiko UYEMATSU Masahiro MAMBO
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 1995/02/25 Vol. E78-D No. 2 pp. 138-142 Type of Manuscript: PAPER Category: Information Security Keyword: cryptography, information security, permutation, Reed-Solomon code,
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A Secure Broadcast Communication Method with Short Messages Masahiro MAMBO Akinori NISHIKAWA Eiji OKAMOTO Shigeo TSUJII
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1994/08/25 Vol. E77-A No. 8 pp. 1319-1327 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Keyword: secure broadcast communication, message length,
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Optimum Pre-Emphasis for FM Transmission with Frequency-Domain Voice Scrambling Yoshihiko AKAIWA Eiji OKAMOTO Yukitsuna FURUYA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1989/05/25 Vol. E72-E No. 5 pp. 507-513 Type of Manuscript: Special Section PAPER (Special Issue on Information Theory and Its Applications) Category: Keyword:
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Metric in the Set of Labelled Graphs and Its Applications to Network Theory Yoji KAJITANI Hidekazu SAKURAI Eiji OKAMOTO
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1976/02/25 Vol. E59-E No. 2 pp. 7-12 Type of Manuscript: PAPER Category: Network Theory Keyword:
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