Fiscal 2012

  1. Yuki Koizumi, Shin’ichi Arakawa, Shohei Kamamura, Daisaku Shimazaki, Takashi Miyamura, Atsushi Hiramatsu, and Masayuki Murata, ``On the Adaptability of Virtual Network Topology Control Based on Attractor Selection against Multiple Node Failures,''Technical Report of IEICE (PN2012-78), Mar. 2013.
  2. Masanori Ishino, Sho Tsugawa and Hiroyuki Ohsaki, ``On the Robustness of Centrality Measures against Link Weight Quantization in Real Weighted Social Networks,'' in Proceedings of the 2nd International Workshop on Ambient Information Technologies (AMBIT2013), pp. 25-28, March 2013.
  3. Shin’ichi Arakawa, Takashi Miyamura, Yuki Koizumi, Daisaku Shimazaki, Shohei Kamamura, Koji Sasayama, Kohei Shiomoto, and Masayuki Murata, ``Performance Evaluation of A Managed Self-organization Method for Controlling Multiple Virtual Network Topologies,''Technical Report of IEICE (PN2012-80), Mar. 2013.
  4. Yusuke Sakumoto, Hiroyuki Ohsaki and Makoto Imase, ``A Method for Accelerating Flow-Level Network Simulation with Low-Pass Filtering of Fluid Models,'' resubmitted to Special issue of "Applications and the Internet in Conjunction with Main Topics of SAINT 2012", January 2013.
  5. H. Ichihara, Y. Koizumi, H. Ohsaki, K. Hato, J. Murayama, and M. Imase, "On the integrated control of virtual machine live migration and traffic engineering for cloud computing," in Proceedings of IEEE GLOBECOM 2012, Dec. 2012.
  6. Yang Xia, Bong Zoebia, Suguru Ishikawa, Chai Kiat Yeo and YuanYuan Mao, ``Enabling Email Access under Intermittent Connectivity,'' in {\rm to be presented at}Proceedings of the 7th International Conference on Computing and Convergence Technology(ICCCT 2012), December 2012.
  7. Yuki Koizumi, Hideyuki Kanai, Hiroyuki Ohsaki, and Makoto Imase, "On the Gradient Formation Incorporating Node Movement for Gradient-based Routing in Delay Tolerant Mobile Sensor Networks," in Proceedings of the 6th International Conference on Soft Computing and Intelligent Systems and the 13th International Symposium on Advanced Intelligent Systems, Nov. 2012.
  8. Sho Tsugawa, Yukihiro Matsumoto, Hiroyuki Ohsaki and Makoto Imase, ``Robustness of centrality measures against noises in link weights in social network analysis,'' in Proceedings of the 9th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2012), November 2012.
  9. M. Seki, Y. Koizumi, H. Ohsaki, K. Hato, J. Murayama, and M. Imase, "Selfish virtual machine live migration causes network instability," in Proceedings of the 9th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2012), Nov. 2012.
  10. Ryoichi Ishiyama, Keiichiro Tsukamoto, Yuki Koizumi, Hiroyuki Ohsaki, Kunio Hato, Junichi Murayama and Makoto Imase, ``On the Effectiveness of Diffusive Content Caching in Content-Centric Networking,'' the 9th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2012), November 2012.
  11. Koji Mizumoto, Shin’ichi Arakawa, Yuki Koizumi, Daisaku Shimazaki, Takashi Miyamura, Shohei Kamamura, Kohei Shiomoto, Atsushi Hiramatsu and Masayuki Murata, ``A distributed control of virtual network topologies by using attractor selection model,''in Proceedings of 2012 International Symposium on Nonlinear Theory and its Applications (NOLTA 2012), Oct. 2012.
  12. Hiroyuki Ohsaki, ``Impact of Content-Centric Networking on Large-Scale Scientific Applications (Keynote),'' in Proceedings of the 2012 Japan-Ireland Workshop on Intelligence and Networks (JIWIN 2012), September 2012.
  13. Sho Tsugawa, Hiroyuki Ohsaki and Makoto Imase, ``Effectiveness of link prediction techniques for face-to-face behavioral networks,'' in Proceedings of the 2012 Japan-Ireland Workshop on Intelligence and Networks (JIWIN 2012), pp. 98-107, September 2012.
  14. Shohei Kamamura, Yuki Koizumi, Daisaku Shimazaki, Takashi Miyamura, Shin’ichi Arakawa, Kohei Shiomoto, Atsushi Hiramatsu, and Masayuki Murata, ``Attractor selection-based virtual network topology control with dynamic threshold reconfiguration for managed self-organization network,''in Proceedings of International Workshop on Self-managing and Autonomous Networks (SAN2012), Sept. 2012.
  15. Y. Sinan Hanay, Yuki Koizumi, Shin’ichi Arakawa, and Masayuki Murata, ``Virtual network topology control with oja and apex learning,''in Proceedings of International Workshop on Self-managing and Autonomous Networks (SAN2012), Sept. 2012.
  16. Sho Tsugawa, Hiroyuki Ohsaki and Makoto Imase, ``Lightweight and Distributed Connectivity-based Clustering Derived from Schelling's Model,'' IEICE Transactions on Communications, pp. 2549-2557, August 2012.
  17. Yusuke Sakumoto, Hiroyuki Ohsaki and Makoto Imase, ``Accelerating Flow-Level Network Simulation with Low-Pass Filtering of Fluid Models,'' in Proceedings of the 12th IEEE/IPSJ International Symposium on Applications and the Internet (SAINT 2012), pp. 148-154, July 2012.
  18. Sho Tsugawa, Hiroyuki Ohsaki and Makoto Imase, ``Estimating Message Importance using Inferred Inter-Recipient Trust for Supporting Email Triage,'' Journal of Information Processing, pp. 796-805, July 2012.
  19. Sho Tsugawa, Hiroyuki Ohsaki and Makoto Imase, ``Inferring Leadership of Online Development Community using Topological Structure of its Social Network,'' Journal of the Infosocionomics Society, pp. 17-27, May 2012.
  20. Yukihiro Matsumoto, Sho Tsugawa, Hiroyuki Ohsaki and Makoto Imase, ``Robustness of Centrality Measures against Link Weight Quantization in Social Network Analysis,'' in Proceedings of the 4th Annual Workshop on Simplifying Complex Networks for Practitioners, pp. 49-54, April 2012.

Fiscal 2011

  1. Hiroyuki Ohsaki, Yosuke Yamada, Dimitri Perrin and Makoto Imase, ``Impact of Mobility Constraints on Epidemic Broadcast Mechanisms in Delay-Tolerant Networks,'' in Proceedings of the Second International Workshop on Complex Information Flows (CIF 2012), March 2012.
  2. Sho Tsugawa, Hiroyuki Ohsaki and Makoto Imase, ``Lightweight Distributed Method for Connectivity-based Clustering Based on Schelling's Model,'' in Proceedings of the Second International Workshop on Complex Information Flows (CIF 2012), March 2012.
  3. Sho Tsugawa, Hiroyuki Ohsaki, Yuichi Itoh, Naoaki Ono, Keiichiro Kagawa, Kazuki Takashima and Makoto Imase, ``Toward Large-Scale and Dynamic Social Network Analysis with Heterogeneous Sensors in Ambient Environment,'' in Proceedings of the 1st International Workshop on Ambient Information Technologies (AMBIT 2012), pp. 32-33, March 2012.
  4. Shin’ichi Arakawa, Yuki Minami, Takashi Miyamura, Yuki Koizumi, Shohei Kamamura, Daisaku Shimazaki, Kohei Shiomoto, Atsushi Hiramatsu and Masayuki Murata, ``A managed self-organization method for controlling multiple VNTs in WDM-based optical networks,''in Proceedings of World Telecommunications Congress 2012 (WTC 2012), Mar. 2012.

  5. Takashi Miyamura, Yuichi Ohsita, Shohei Kamamura, Daisaku Shimazaki, Yuki Koizumi, Shin’ichi Arakawa, Kohei Shiomoto, and Masayuki Murata, ``Management of managed self-organizing network in network virtualization environment,''in Proceedings of World Telecommunications Congress 2012 (WTC 2012), Mar. 2012.

  6. Sho Tsugawa, Hiroyuki Ohsaki and Makoto Imase, ``Lightweight and Distributed Connectivity-based Clustering Derived from Schelling's Model,'' IEICE Transactions on Communications (conditionally accepted), February 2012.
  7. Sho Tsugawa, Hiroyuki Ohsaki and Makoto Imase, ``Inferring Leadership of Online Development Community using Topological Structure of its Social Network,'' Journal of the Infosocionomics Society (conditionally accepted), February 2012.
  8. Hideyuki Kanai, Yuki Koizumi, Hiroyuki Ohsaki and Makoto Imase, ``Gradient-based Routing in Delay Tolerant Mobile Sensor Networks Incorporating Node Mobility,'' in Proceedings of the Consumer Communications and Networking Conference 2012 (CCNC 2012), pp. 251-255, January 2012.
  9. Shin’ichi Arakawa, Yuki Minami, Yuki Koizumi, Takashi Miyamura, Kohei Shiomoto, and Masayuki Murata, ``A managed self-organization of virtual network topology controls in WDM-based optical networks,''Journal of Optical Communications, vol. 32, pp. 233–242, Dec. 2011.

  10. Sho Tsugawa, Hiroyuki Ohsaki, Yuichi Itoh, Naoaki Ono, Keiichiro Kagawa, Kazuki Takashima and Makoto Imase, ``Quasi-Realtime Social Network Construction with Heterogeneous Sensors in Ambient Environment,'' in Proceedings of the 8th International Conference on Advances in Computer Entertainment Technology (ACE 2011), pp. 75:1-75:2, November 2011.
  11. Sho Tsugawa, Keita Shigemori, Hiroyuki Ohsaki and Makoto Imase, ``A Lightweight Distributed Method for Connectivity-based Clustering Based on Schelling's Model,'' Technical Report of IEICE (IN2011-103), pp. 61-66, November 2011.
  12. Sho Tsugawa, Keita Shigemori, Hiroyuki Ohsaki and Makoto Imase, ``A Study on Lightweight Distributed Method for Connectivity-based Clustering,'' Proceedings of the 9th Workshop on QoS (QW-9-P-10), November 2011.
  13. Shohei Kamamura, Yuki Koizumi, Takashi Miyamura, Shin’ichi Arakawa, Kohei Shiomoto and Masayuki Murata, ``Control and visualization system for managed self-organization network,''in Proceedings of 7th International Conference on Network and Service Management (CNSM 2011), Oct. 2011.

  14. Yuki Minami, Yuki Koizumi, Shin’ichi Arakawa, Takashi Miyamura, Kohei Shiomoto, and Masayuki Murata, ``Benefits of virtual network topology control based on attractor selection in WDM networks,''International Journal on Advances in Internet Technology, vol. 4, pp. 79-88, Sept. 2011.

  15. Yuki Minami, Shin’ichi Arakawa, Yuki Koizumi, Takashi Miyamura, Kohei Shiomoto, and Masayuki Murata, ``Adaptive Virtual Network Topology Control in WDM-Based Optical Networks,''in Proceedings of the Second International Conference on Evolving Internet (INTERNET 2010), Sep. 2010. (Best Paper Award)
  16. Shohei Kamamura, Yuki Koizumi, Takashi Miyamura, Shin'ichi Arakawa, Kohei Shiomoto, and Masayuki Murata, "Control and visualization system for managed self-organization network," in Proceedings of the 7th International Conference on Network and Service Management, Oct. 2011.
  17. Hiroyuki Ohsaki, Kazunori Nozaki, Ken-ichi Baba, Eisaku Sakane, Naohisa Sakamoto, Kohji Koyamada and Shinji Shimojo, ``Peta-Flow Computing: Vision and Challenges,'' in Proceedings of the Second Workshop on High Speed Network and Computing Environments (HSNCE 2011), pp. 256-259, July 2011.
  18. Perrin, D., and Ohsaki, H. (2011). ``Impact of randomness on information diffusion in Mobile Ad-Hoc Networks," Workshop of the Technical Committee on Radio Communication Systems (RCS), Asahikawa, Japan, July 2011.
  19. Perrin, D., and Ohsaki, H. (2011). ``Decentralised communication in autonomous agent swarms," Workshop of the Technical Committee on Communication Quality (CQ), Otaru, Japan, July 2011.
  20. Yusuke Sakumoto, Hiroyuki Ohsaki and Makoto Imase, ``Fluid-based analysis of TCP flows in a scale-free network,'' in Proceedings of the 11th IEEE/IPSJ International Symposium on Applications and the Internet (SAINT 2011), pp. 37-43, July 2011.
  21. Shinpei Kuribayashi, Yusuke Sakumoto, Hiroyuki Ohsaki, Satoshi Hasegawa and Makoto Imase, ``Performance Evaluation of Epidemic Broadcast with Directional Antennas in Vehicular Ad-Hoc Networks,'' in Proceedings of the Second Workshop on High Speed Network and Computing Environments for Scientific Applications (HSNCE 2011), pp. 260-265, July 2011.
  22. Perrin, D., and Ohsaki, H. (2011). ``Applications of Epidemic Diffusion to Complex Systems: from Communication Networks to Autonomous Exploratory Robots," Eighth International Conference on Complex Systems (ICCS 2011), Boston, USA, June 2011.
  23. Yusuke Sakumoto, Takeaki Nishioka, Hiroyuki Ohsaki and Makoto Imase, ``On the Effectiveness of Stable Numerical Solution for Flow-Level Network Simulation,'' in Proceedings of the NECSI Eighth International Conference on Complex Systems (ICCS 2011), pp. 359-368, June 2011.
  24. Yosuke Yamada, Hiroyuki Ohsaki, Dimitri Perrin and Makoto Imase, ``Impact of Mobility Constraints on Epidemic Broadcast in Mobile Ad-hoc Networks,'' in Proceedings of the Eighth International Conference on Complex Systems (ICCS 2011), pp. 369-375, June 2011.
  25. Perrin, D., and Ohsaki, H. (2011). ``Agent-based modelling for contagion analysis," the First International Workshop on World Wide Computing Environments for Knowledge Discovery (WWCEKD 2011), Osaka, Japan, March 2011.
  26. Perrin, D., and Ohsaki, H. (2011). ``A parallel approach to social network generation and agent-based epidemic simulation," Ninth Australasian Symposium on Parallel and Distributed Computing (AusPDC 2011), Perth, Australia, January 2011.

Fiscal 2010

  1. Perrin, D., Ruskin H. J., and Crane, M. (2010). Model refinement through high-performance computing: an agent-based HIV example. Immunome Research 6(S1):S3
  2. Junichi Murayama, Osamu Honda, Hiroyuki Ohsaki and Makoto Imase, ``Hybrid path allocation scheme (HyPAS) for multi-layer networks,'' IEEJ Transactions on Electrical and Electronics Engineering, Vol. 6(S1), pp.S74-S81, February 2011.
  3. Yusuke Sakumoto, Hiroyuki Ohsaki and Makoto Imase, ``Effectiveness of Thorup's Shortest Path Algorithm for Large-Scale Network Simulation,'' resubmitted to IEICE Transactions on Communications, February 2011.
  4. Perrin, D., and Ohsaki, H. (2011). A parallel approach to social network generation and agent-based epidemic simulation. Ninth Australasian Symposium on Parallel and Distributed Computing (AusPDC 2011), Perth, Australia, January 2011.
  5. H. Ohsaki, H. Suzuki, and H. Sawai, "Internet as a dataflow computer," to be presented at 5th International ICST Conference on Bio-Inspired Models of Network, Information, and Computing Systems (BIONETICS 2010), Dec. 2010.
  6. H. Suzuki, H. Ohsaki, and H. Sawai, "Algorithmically transitive network: A self-organizing data-flow network with learning," to be presented at 5th International ICST Conference on Bio-Inspired Models of Network, Information, and Computing Systems (BIONETICS 2010), Dec. 2010.
  7. H. Sawai, H. Suzuki, and H. Ohsaki, "Biologically inspired modeling of smart grid for dynamic power-flow control," to be presented at 5th International ICST Conference on Bio-Inspired Models of Network, Information, and Computing Systems (BIONETICS 2010), Dec. 2010.
  8. Yusuke Sakumoto, Hiroyuki Ohsaki and Makoto Imase, ``Improving Robustness of XCP (eXplicit Control Protocol) for Dynamic Traffic,'' IEICE Transactions on Communications, pp. 3013-3022, November 2010.
  9. Yuki Minami, Shin'ichi Arakawa, Yuki Koizumi, Takashi Miyamura, Kohei Shiomoto, and Masayuki Murata, "Adaptive Virtual Network Topology Control in WDM-Based Optical Networks," in Proceedings of The Second International Conference on Evolving Internet (INTERNET 2010), (Valencia, Spain), September 2010.
  10. Perrin, D., Ruskin H. J., and Crane, M. (2010). Model refinement through high-performance computing. International Conference on Bioinformatics (InCoB 2010), Tokyo, Japan, September 2010.
  11. H. Suzuki, H. Ohsaki and H. Sawai, ``An agent-based neural computational model with learning,'' in Conference Abstract of the 3rd INCF Congress of Neuroinformatics (Neuroinformatics 2010), August 2010.
  12. Yusuke Sakumoto, Hiroyuki Ohsaki and Makoto Imase, ``On the Effectiveness of Thorup's Shortest Path Algorithm for Large-Scale Network Simulation,'' in Proceedings of the First Workshop on High Speed Network and Computing Environments for Scientific Applications (HSNCE 2010), pp. 339-342, July 2010.
  13. Paulo Gon\ccalves, Xavier Grandchamp, Xavier Pelorson, Bruno Raffin, Annemie Van Hirtum, Pascale Vicat-Blanc, Ken-ichi Baba, Julien Cisonni, Yasuo Ebara, Kazunori Nozaki, Hiroyuki Ohsaki, Shigeo Wada, Takuma Kawamura, Kohji Koyamada, Eisaku Sakane, Naohisa Sakamoto and Shinji Shimojo, ``Petaflow --- a project towards information and communication technologies in society,'' in Proceedings of the First Workshop on High Speed Network and Computing Environments for Scientific Applications (HSNCE 2010), pp. 347-350, July 2010.
  14. Takamichi Nishijima, Hiroyuki Ohsaki, Yoshihiro Nomoto and Makoto Imase, ``Performance Evaluation of Block Device Layer with Automatic Parallelism Tuning using Heterogeneous IP-SAN Protocols,'' in Proceedings of the First Workshop on High Speed Network and Computing Environments for Scientific Applications (HSNCE 2010), pp. 343-346, July 2010.
  15. Sho Tsugawa, Kazuya Takahashi, Hiroyuki Ohsaki and Makoto Imase, ``Robust Estimation of Message Importance using Inferred Inter-Recipient Trust for Supporting Email Triage,'' in Proceedings of the 10th Annual International Symposium on Applications and the Internet (SAINT 2010), pp. 177-180, July 2010.
  16. H. Ohsaki, J. Kittananun, F. Inoue, Y. Nomoto, and M. Imase, "Performance evaluation of iSCSI-APT (iSCSI with Automatic Parallelism Tuning) on SINET3 with layer-1 bandwidth on demand service," to be presented at the 8th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2010), June 2010.
  17. H. Suzuki, H. Ohsaki and H. Sawai, ``Algorithmically Transitive Network: a new computing model that combines artificial chemistry and information-communication engineering,'' in Proceedings of the 24th Annual Conference of Japanese Society for Artificial Intelligence (JSAI), pp. 2H1-OS4-5, June 2010.
  18. Hideaki Suzuki, Hiroyuki Ohsaki and Hidefumi Sawai, ``A network-based computational model with learning,'' in Proceedings of the 9th International Conference on Unconventional Computation (UC 2010), pp. 193, June 2010.
  19. Yuki Koizumi, Takashi Miyamura, Shin'ichi Arakawa, Eiji Oki, Kouhei Shiomoto, and Masayuki Murata, ``Adaptive virtual network topology control based on attractor selection,''IEEE/OSA Journal of Lightwave Technology, Vol. 28, No. 11, pp. 1720--1731, June 2010.
  20. Sho Tsugawa, Hiroyuki Ohsaki and Makoto Imase, ``Inferring Success of Online Development Communities: Application of Graph Entropy for Quantifying Leaders' Involvement,'' in Proceedings of the 8th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2010), June 2010.
  21. Yuki Koizumi, Takashi Miyamura, Shin'ichi Arakawa, Kouhei Shiomoto, and Masayuki Murata, ``Cooperation among Multiple Virtual Topologies Based on Attractor Superimposition,''in Proceedings of 14th International Conference on Optical Network Design and Modeling (ONDM 2010), February 2010.

Fiscal 2009

  1. Hiroyuki Ohsaki, ``Toward Realistic Large-Scale Network Simulation: Design and Implementation of Fluid-based Network Simulator,'' in Proceedings of Numerical Simulation and Fluid Mechanics of Biological and Geophysical Flows (NumBig 2010), March 2010.
  2. Shinpei Kuribayashi, Yusuke Sakumoto, Satoshi Hasegawa, Hiroyuki Ohsaki and Makoto Imase, ``Performance evaluation of broadcast communication protocol DSCF (Directional Store-Carry-Forward) for VANETs with two-dimensional road model,'' in Proceedings of IEEE International Workshop on Vehicular Communications, Networks, and Applications (VCNA 2009), pp. 615-619, December 2009.
  3. Hiroyuki Ohsaki, Junya Tauchi and Makoto Imase, ``Extending Schelling's Model for Topology Adaptation of an Overlay Network with Heterogeneous Nodes,'' in Proceedings of the 2009 International Symposium on Nonlinear Theory and its Applications (NOLTA 2009), October 2009.
  4. Yuki Minami, Yuki Koizumi, Shin'ichi Arakawa, and Masayuki Murata, ``Adaptability of virtual network topology control based on attractor selection,''in Proceedings of 2009 International Symposium on Nonlinear Theory and its Applications (NOLTA 2009), (Sapporo, Japan), October 2009.
  5. Yusuke Sakumoto, Hiroyuki Ohsaki and Makoto Imase, ``Stability Analysis of XCP (eXplicit Control Protocol) with Heterogeneous Flows,'' IEICE Transactions on Communications, pp. 3174-3182, October 2009.
  6. Takeaki Nishioka, Yusuke Sakumoto, Hiroyuki Ohsaki and Makoto Imase, ``Design and Implementation of Flow-Level Simulator for a Network with Heterogeneous Flows,'' in Proceedings of the 9th Annual International Symposium on Applications and the Internet (SAINT 2009), pp. 78-84, July 2009.
  7. Tomoyasu Ogasa, Yousuke Takahashi, Hiroyuki Ohsaki, Makoto Imase, Takeshi Yagi and Junichi Murayama, ``Dynamic Topology Reconfiguration Method for Service Overlay Networks using Users' Community Information,'' in Proceedings of the 9th Annual International Symposium on Applications and the Internet (SAINT 2009), pp. 141-144, July 2009.
  8. Takamichi Nishijima, Fumito Inoue, Hiroyuki Ohsaki, Yoshihiro Nomoto and Makoto Imase, ``On Maximizing IP-SAN Throughput over TCP Connections with Automatic Parallelism Tuning for Long-Fat Networks,'' in Proceedings of the Third Workshop on Middleware Architecture in the Internet (MidArc 2009), pp. 251-254, July 2009.
  9. Hiroyuki Ohsaki, Kouhei Sugiyama and Makoto Imase, ``Congestion Propagation among Routers with TCP Flows,'' the International Journal of Computer Networks & Communications (IJCNC), pp. 112-128, July 2009.
  10. Takashi Miyamura, Yuichi Ohsita, Shin'ichi Arakawa, Yuki Koizumi, Akeo Masuda, Kohei Shiomoto, and Masayuki Murata, ``Network Virtualization Server for Adaptive Network Control,''in Proceedings of 20th ITC Specialist Seminar on Network Virtualization Concept and Performance Aspects, May 2009.

Fiscal 2008

  1. Satoshi Hasegawa, Yusuke Sakumoto, Mirai Wakabayashi, Hiroyuki Ohsaki and Makoto Imase, ``Delay Performance Analysis on Ad-Hoc Delay Tolerant Broadcast Network,'' IEICE Transactions on Communications (Special Section on Ad Hoc and Mesh Networking for Next Generation Access Systems), pp. 728-736, March 2009.
  2. Takeshi Ito, ``Understanding and Optimizing Data Transfer Protocol GridFTP in Long-Fat Networks,'' January 2009.
  3. Kouhei Sugiyama, ``Network Mining: Estimating Node Characteristics from Topological Structures of Complex Networks,'' January 2009.
  4. Kouhei Sugiyama, Hiroyuki Ohsaki and Makoto Imase, ``Estimating Node Characteristics from Topological Structure of Social Networks,'' IEICE Transactions on Communications, pp. 3094-3101, 2009.
  5. Hiroyuki Ohsaki and Makoto Imase, ``Group-Oriented Communication for Realizing Cybersociety (Extended Abstract),'' in Proceedings of the First International Workshop on Information Network Design (WIND '08), December 2008.
  6. Fumito Inoue, Takeshi Ito, Hiroyuki Ohsaki and Makoto Imase, ``Implementation and Evaluation of GridFTP Automatic Parallelism Tuning Mechanism for Long-Fat Networks,'' in Proceedings of the 7th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2008), pp. 232-237, December 2008.
  7. Takeshi Ito, Hiroyuki Ohsaki and Makoto Imase, ``GridFTP-APT: Automatic Parallelism Tuning Mechanism for GridFTP in Long-Fat Networks,'' IEICE Transactions on Communications, pp. 3925-3936, December 2008.
  8. Yousuke Takahashi, Kouhei Sugiyama, Hiroyuki Ohsaki, Takeshi Yagi, Junichi Murayama and Makoto Imase, ``Application Concentrator: Application-Level Gateway for Enabling Interconnection of Multiple Closed Networks,'' in Proceedings of the 14th Asia-Pacific Conference on Communications (APCC 2008), pp. 801-805, October 2008.
  9. Takeshi Ito, Hiroyuki Ohsaki and Makoto Imase, ``On Parameter Tuning of Data Transfer Protocol GridFTP for Wide-Area Networks,'' International Journal of Computational Science and Engineering (IJCSE), pp. 177-183, October 2008.
  10. Kouhei Sugiyama, Hiroyuki Ohsaki, Makoto Imase, Takeshi Yagi and Junichi Murayama, ``NMF: Network Mining Framework using Topological Structure of Complex Networks,'' in Proceedings of 2008 IEEE Congress on Services (SERVICES 2008) Part II, pp. 210-211, September 2008.
  11. S. Hasegawa, H. Furuya, H. Ohsaki, and M. Imase, "Study on DTN (Delay Tolerant Network) based network applied to construction," in Proceedings of the 11th Symposium on Construction Robotics in Japan (11th SCR) (in Japanese), Sept. 2008.
  12. Fumito Inoue, Hiroyuki Ohsaki, Yoshihiro Nomoto and Makoto Imase, ``On Maximizing iSCSI Throughput using Multiple Connections with Automatic Parallelism Tuning,'' in Proceedings of the 5th IEEE International Workshop on Storage Network Architecture and Parallel I/Os (SNAPI 2008), pp. 11-16, September 2008.
  13. F. Inoue, T. Ito, H. Ohsaki, and M. Imase, "Implementation and evaluation of GridFTP automatic parallelism tuning mechanism for long-fat networks," in Proceedings of the 7th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2008), pp. 232-237, Dec. 2008.
  14. Yousuke Takahashi, Kouhei Sugiyama, Hiroyuki Ohsaki, Takeshi Yagi, Junichi Murayama and Makoto Imase, ``Group-Oriented Communication: Concept and Network Architecture,'' in Proceedings of First International Workshop on Security of Computer Communications and Networks (SoCCaN 2008), pp. 649-655, August 2008.
  15. Hiroyuki Ohsaki and Makoto Imase, ``On the Effect of Scale-Free Structure of Network Topology on TCP Performance,'' in Proceedings of IEEE Communications Society Communications Quality and Reliability Workshop (CQR 2008) (CD-ROM), May 2008.
  16. Kouhei Sugiyama, Hiroyuki Ohsaki and Makoto Imase, ``RENC: Recursive Estimation of Node Characteristics using Topological Structure of Complex Networks,'' in Proceedings of the 7th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2008), pp. 59-64, April 2008.
  17. Yousuke Takahashi, Kouhei Sugiyama, Hiroyuki Ohsaki, Makoto Imase, Takeshi Yagi and Junichi Murayama, ``On Network Architecture for Realizing Group-Oriented Communication,'' in Proceedings of the 7th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2008), pp. 197-202, April 2008.
  18. Takeshi Yagi, Tsutomu Kondoh, Takeshi Kuwahara, Junichi Murayama, Hiroyuki Ohsaki and Makoto Imase, ``Architecture Design for SPX: Secure networking Platform for group-oriented eXchange,'' in Proceedings of the 7th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2008), pp. 185-190, April 2008.

Fiscal 2007

  1. Yusuke Sakumoto, Hiroyuki Ohsaki and Makoto Imase, ``Increasing Robustness of XCP (eXplicit Control Protocol) for Dynamic Traffic,'' in Proceedings of 50th IEEE Global Telecommunications Conference (GLOBECOM 2007), pp. 2025-2030, November 2007.
  2. Kouhei Sugiyama, Hiroyuki Ohsaki and Makoto Imase, ``Structural Analysis of Paper Citation and Co-Authorship Networks using Network Analysis Techniques,'' in , pp. 35, October 2007.
  3. Yusuke Sakumoto, Ryota Asai, Hiroyuki Ohsaki and Makoto Imase, ``Design and Implementation of Flow-Level Simulator for Performance Evaluation of Large Scale Networks,'' in Proceedings of 15th Annual Meeting of the IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS) 2007, pp. 166-172, October 2007.
  4. Takeshi Ito, Hiroyuki Ohsaki and Makoto Imase, ``On Automatic Parameter Configuration Mechanism for Data Transfer Protocol GridFTP,'' International Transactions on Systems Science and Applications, pp. 220-226, October 2007.
  5. Osamu Honda, Hiroyuki Ohsaki, Makoto Imase and Kazuhiro Matsuda, ``RING-VPN: Ring-Based Virtual Private Network Supporting a Large Number of VPNs,'' World Scientific and Engineering Academy and Society (WSEAS) Transaction on Communications, pp. 789-795, September 2007.
  6. Kouhei Sugiyama, Hiroyuki Ohsaki and Makoto Imase, ``Congestion Propagation among Routers in the Internet,'' in Proceedings of the International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS 2007), pp. 145-150, July 2007.
  7. Yusuke Sakumoto, Hiroyuki Ohsaki and Makoto Imase, ``On XCP Stability in a Heterogeneous Network,'' in Proceedings of 12th IEEE Symposium on Computers and Communications(ISCC'07), pp. 531-537, July 2007.
  8. Osamu Honda, Hiroyuki Ohsaki, Makoto Imase and Kazuhiro Matsuda, ``Ring-Based Virtual Private Network Supporting a Large Number of VPNs,'' in Proceedings of the Sixth International Conference on Networking ({ICN}), pp. 22-28, April 2007.

Fiscal 2006

  1. Hiroyuki Ohsaki, Hideyuki Yamamoto and Makoto Imase, ``SPRED: Active Queue Management Mechanism for Wide-Area Networks,'' in Proceedings of the 2007 International Symposium on Applications and the Internet (SAINT 2007), pp. 11-17, January 2007.
  2. Hiroyuki Ohsaki, Koutaro Yagi and Makoto Imase, ``On the Effect of Scale-Free Structure of Network Topology on End-to-End Performance,'' in Proceedings of the 2007 International Symposium on Applications and the Internet (SAINT 2007), pp. 12-18, January 2007.
  3. Hiroyuki Ohsaki and Makoto Imase, ``Performance Evaluation of Data Transfer Protocol GridFTP for Grid Computing,'' in Proceedings of XVI. International Conference on Computer and Information Science and Engineering (CISE 2006), pp. 297-302, November 2006.
  4. G. Hasegawa and H. Ohsaki, "Toward advanced network education using integrated remote lecturing system: A case study in Osaka University," in Proceedings of 4th AEARU Workshop on Network Education (AWNE 2006), Nov. 2006.
  5. Hiroyuki Ohsaki, Gomez Oscar and Makoto Imase, ``Quasi-Dynamic Network Model Partition Method for Accelerating Parallel Network Simulation,'' in Proceedings of the 14th IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS 2006), pp. 255-261, September 2006.
  6. Taro Maekawa, Harumasa Tada, Naoki Wakamiya, Masayuki Murata and Makoto Imase, ``An Ant-based Routing Protocol using Unidirectional Links for Heterogeneous Mobile Ad-Hoc Networks,'' Internet Conference on Wireless and Mobile Communications (ICWMC '06), July 2006.
  7. Osamu Honda, Hiroyuki Ohsaki, Makoto Imase, Junichi Murayama and Kazuhiro Matsuda, ``Scalable IP-VPN Flow Control Mechanism Supporting Arbitrary Fairness Criteria --- Part 2: Simulation and Implementation ---,'' in Proceedings of IEEE International Conference on Communications (ICC 2006), pp. 310-316, June 2006.
  8. Takeshi Ito, Hiroyuki Ohsaki and Makoto Imase, ``GridFTP-APT: Automatic Parallelism Tuning Mechanism for Data Transfer Protocol GridFTP,'' in Proceedings of 6th IEEE International Symposium on Cluster Computing and the Grid (CCGrid2006), pp. 454-461, May 2006.
  9. Hiroyuki Hisamatu, Hiroyuki Ohsaki and Masayuki Murata, ``On Modeling Datagram Congestion Control Protocol and Random Early Detection using Fluid-Flow Approximation,'' WSEAS Transactions on Communications, pp. 672 - 685, May 2006.
  10. Yoshitaka Ohtaki, Naoki Wakamiya, Masayuki Murata and Makoto Imase, ``Scalable and Efficient Ant-Based Routing Algorithm for Ad-Hoc Networks,'' Technical Report of IEICE, pp. 1231-1238, April 2006.

Fiscal 2005

  1. H. Ohsaki, T. Eguchi, and M. Murata, "FI-RED: AQM mechanism for improving fairness among TCP connections in tandem networks," in Proceedings of the 2006 Symposium on Applications and the Internet (SAINT 2006), pp. 63-70, Jan. 2006.
  2. Takeshi Ito, Hiroyuki Ohsaki and Makoto Imase, ``Automatic Parameter Configuration Mechanism for Data Transfer Protocol GridFTP,'' in Proceedings of the 2006 International Symposium on Applications and the Internet (SAINT 2006), pp. 32-38, January 2006.
  3. Hiroyuki Hisamatu, Hiroyuki Ohsaki and Masayuki Murata, ``Fluid-based analysis of a network with DCCP connections and RED routers,'' in Proceedings of the 2006 International Symposium on Applications and the Internet (SAINT 2006), pp. 22-29, January 2006.
  4. Osamu Honda, Hiroyuki Ohsaki, Makoto Imase, Mika Ishizuka and Junichi Murayama, ``On Dynamic Control Parameter Configuration Mechanism for Inter- and Intra-VPN Fairness Control Mechanism,'' in Proceedings of 6th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2005), pp. 369-374, November 2005.
  5. Kouhei Sugiyama, Osamu Honda, Hiroyuki Ohsaki and Makoto Imase, ``Application of Network Analysis Techniques for Japanese Corporate Transaction Network,'' in Proceedings of 6th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2005), pp. 387-392, November 2005.
  6. H. Ohsaki, H. Yamamoto, and M. Imase, "Scalable modeling and performance evaluation of dynamic RED router using fluid-flow approximation," in Proceedings of OpticsEast/ITCom 2005, Oct. 2005.
  7. Osamu Honda, Hiroyuki Ohsaki, Makoto Imase, Junichi Murayama and Kazuhiro Matsuda, ``Scalable IP-VPN Flow Control Mechanism Supporting Arbitrary Fairness Criteria --- Part 1: Architecture Design ---,'' in Proceedings of Fourteenth International Conference on Computer Communications and Networks (ICCCN 2005), pp. 173-178, October 2005.
  8. Osamu Honda, Hiroyuki Ohsaki, Makoto Imase, Mika Ishizuka and Junichi Murayama, ``Understanding TCP over TCP: Effects of TCP Tunneling on End-to-End Throughput and Latency,'' in Proceedings of OpticsEast/ITCom 2005, October 2005.
  9. Takeshi Ito, Hiroyuki Ohsaki and Makoto Imase, ``On Parameter Tuning of Data Transfer Protocol GridFTP in Wide-Area Grid Computing,'' in Proceedings of Second International Workshop on Networks for Grid Applications (GridNets 2005), pp. 415-421, October 2005.
  10. Hiroyuki Hisamatu, Hiroyuki Ohsaki and Masayuki Murata, ``Steady State and Transient State Behaviors Analyses of TCP Connections considering Interactions between TCP Connections and Network,'' International Journal of Communication Systems, pp. 619-637, September 2005.
  11. H. Ohsaki, S. Watanabe, and M. Imase, "On dynamic resource management mechanism using control theoretic approach for wide-area Grid computing," in Proceedings of IEEE Conference on Control Applications (CCA 2005), Aug. 2005.
  12. Osamu Honda, Hiroyuki Ohsaki, Makoto Imase, Junichi Murayama and Kazuhiro Matsuda, ``A Prototype Implementation of VPN Enabling User-Based Multiple Association,'' in Proceedings of the Ninth IASTED International Conference on Internet & Multimedia Systems & Applications (IMSA 2005), pp. 59-64, August 2005.
  13. H. Ohsaki, S. Yoshida, and M. Imase, "On network model division method based on link-to-link traffic intensity for accelarating parallel distributed simulation," in Proceedings of 4th International Conference on Networking (ICN' 05), pp. 749-757, Apr. 2005.

Fiscal 2004

  1. Hiroyuki Ohsaki, Jun'ya Ujiie and Makoto Imase, ``On Scalable Modeling of TCP Congestion Control Mechanism for Large-Scale IP Networks,'' in Proceedings of IEEE SAINT 2005, pp. 361-369, February 2005.
  2. Yoshitaka Ohtaki, Naoki Wakamiya, Masayuki Murata and Makoto Imase, ``Scalable Ant-Based Routing Algorithm for Ad-Hoc Networks,'' in Proceedings of the 3rd IASTED International Conference on Communications, Internet, and Information Technology (CIIT 2004), November 2004.
  3. Osamu Honda, Hiroyuki Ohsaki, Makoto Imase, Mika Ishizuka and Junichi Murayama, ``Understanding TCP over TCP: Effects of TCP Tunneling on End-to-End TCP Performance,'' 第 16 回インターネット技術第 163 委員会研究会, November 2004.
  4. Hiroyuki Ohsaki and Masayuki Murata, ``On Packet Marking Function of Active Queue Management Mechanism: Should It Be Linear, Concave, or Convex?,'' in Proceedings of SPIE's International Symposium on the Convergence of Information Technologies and Communications (ITCom 2004), October 2004.
  5. Hiroyuki Hisamatu, Hiroyuki Ohsaki and Masayuki Murata, ``Steady state and transient state analyses of TCP and TCP-friendly rate control mechanism using a control theoretic approach,'' in Proceedings of SPIE's International Symposium on the Convergence of Information Technologies and Communications (ITCom 2004), pp. 40-47, October 2004.

Fiscal 2003

  1. Yoshihiro Hara, Hiroyuki Ohsaki, Makoto Imase, Yoshitake Tajima, Masahiro Maruyoshi and Junichi Murayama, ``On Layered VPN Architecture for Enabling User-Based Multiply Associated VPNs,'' in Proceedings of the International Conference on Information Networking (ICOIN) 2004, pp. 847-856, February 2004.
  2. Hiroyuki Ohsaki and Makoto Imase, ``On modeling GridFTP using fluid-flow approximation for high speed Grid networking,'' in Proceedings of International Symposium on Applications and the Internet (SAINT 2004) Workshop, January 2004.
  3. Hiroyuki Ohsaki and Go Hasegawa, ``Report on information networking seminar: design and implementation of network analyzer,'' in Proceedings of Second AEARU Workshop on Network Education, December 2003.
  4. Yoshihiro Hara, Hiroyuki Ohsaki, Makoto Imase, Yoshitake Tajima, Masahiro Maruyoshi, Junichi Murayama and Kazuhiro Matsuda, ``VPN Architecture Enabling Users to be Associated with Multiple VPNs,'' in Proceedings of the 5th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2003), pp. 195-200, November 2003.
  5. Shohei Kanata, Harumasa Tada and Makoto Imase, ``A Static File Partition Method for Parallel File Transfer from Multiple Sites,'' in Proceedings of the 5th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2003), pp. 249-254, November 2003.
  6. Hiroyuki Hisamatu, Hiroyuki Ohsaki and Masayuki Murata, ``Modeling a heterogeneous network with TCP connections using fluid flow approximation and queuing theory,'' in Proceedings of SPIE's International Symposium on the Convergence of Information Technologies and Communications (ITCom 2003), pp. 893-902, September 2003.

Fiscal 2002

  1. Hiroyuki Hisamatu, Hiroyuki Ohsaki and Masayuki Murata, ``Steady state and transient behavior analyses of TCP connections considering interactions between TCP connections and network,'' in Proceedings of Symposium on Applications and the Internet (SAINT2003), pp. 309-316, January 2003.
  2. Tomoya Eguchi, Hiroyuki Ohsaki and Masayuki Murata, ``On Control Parameters Tuning for Active Queue Management Mechanisms using Multivariate Analysis,'' in Proceedings of International Symposium on Applications and the Internet (SAINT-2003), pp. 120-127, January 2003.
  3. K. Ueda, H. Ohsaki, S. Shimojo, and H. Miyahara, "Design and implementation of real-time digital video streaming system over IPv6 network using feedback control," in Proceedings of 2003 Symposium on Applications and the Internet, pp. 111-119, Jan. 2003.
  4. Motohisa Kisimoto, Hiroyuki Ohsaki and Masayuki Murata, ``On Transient Behavior Analysis of Random Early Detection Gateway using a Control Theoretic Approach,'' in Proceedings of the IEEE Control Systems Society Conference on Control Applications (CCA/CACSD 2002), pp. 1144-1149, September 2002.
  5. Mitsushige Morita, Hiroyuki Ohsaki and Masayuki Murata, ``Designing a delay-based adaptive congestion control mechanism using control theory and system identification for TCP/IP networks,'' in Proceedings of SPIE's International Symposium on the Convergence of Information Technologies and Communications (ITCom 2002), July 2002.
  6. Tomoya Eguchi, Hiroyuki Ohsaki and Masayuki Murata, ``Multivariate analysis for performance evaluation of active queue management mechanisms in the Internet,'' in Proceedings of SPIE's International Symposium on the Convergence of Information Technologies and Communications (ITCom 2002), pp. 144-153, July 2002.
  7. Hiroyuki Ohsaki, Mitsushige Morita and Masayuki Murata, ``Measurement-based modeling of Internet round-trip time dynamics using system identification,'' in Proceedings of the Second IFIP-TC6 Networking Conference (NETWORKING 2002), May 2002.

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