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最近の対外活動

  1. 上形、長谷川、"近接検知を用いた児童引率支援システムのシミュレーション評価”、電子情報通信学会、情報ネットワーク研究会技術研究報告、vol. 119、 no. 342、 IN2019-58、 pp.75-80、Dec. 2019.

  2. 谷、長谷川、"狭帯域無線通信を用いたエッジデバイスによる画像認識手法の検討”、電子情報通信学会、情報ネットワーク研究会技術研究報告、vol. 119、 no. 342、 IN2019-61、 pp.75-80、Dec. 2019.

  3. 上形、長谷川、"児童引率支援システムのはぐれ推定の精度評価"、電子情報通信学会ソサイエティ大会 A-19-19、Sept 2019.

  4. 谷、長谷川、"IoTエッジにおける画像認識のリアルタイム性に関する検討​"、電子情報通信学会ソサイエティ大会 A-19-18、Sept 2019.

  5. 上形、長谷川、"近接検知による児童引率支援システム"、電子情報通信学会ソサイエティ大会 B-15-12、Sept 2018.

  6. 谷、長谷川、"ナローバンド通信を用いた無人都市型マルシェシステム​"、電子情報通信学会ソサイエティ大会 B-15-12、Sept 2018.

  7. 長谷川, "フィジカルコンピューティング マイコンを使ってロボットを動かす", 文京区子ども科学カレッジ, Aug. 9 2017.

  8. 長谷川研究室, "思いやりメディエーションを実現するネットワークサービス", NTTドコモ近未来学生コンテスト, 最終審査会プログラムS2-3, pp.12, Nov. 11 2017. 

  9. 會田, 長谷川, "人とエレベータの協調動作を促すIoTシステムの提案", 電子情報通信学会 技術研究報告, Vol.117, No.271, SC2017-25, pp.13-18, 2017.

  10. 會田, 長谷川, "IoTシステムによる人とエレベータの協調動作", 電子情報通信学会 2017 総合大会D-23-17, 2017.

  11. 長谷川, 石川, 来海, 伊東, 坂本, ”次世代WEBプロトコルにおける並列転送の効果とQoSの関係", 電子情報通信学会 技術研究報告, Vol.115-60, No. 252,m pp.41-46, 2015.

論文（査読あり、英文）

  1. Haruhisa Hasegawa, Shiori Aida, "Elevator Monitoring System to Guide User's Behavior by Visualizing the State of Crowdness,” Big Data, Cloud Computing, and Data Science Engineering, Springer, SCI-786, pp. 85-98, Sept 2019.

  2. Noriaki Kamiyama, Ryoichi Kawahara, Tatsuya Mori, and Haruhisa Hasegawa, " Multicast Pre-Distribution VoD System," The Institute of Electronics, Information and Communication Engineers, IEICE Transactions on Communications., Vol. E96-B, No. 6, pp. 1459-1471, March 2013.

  3. Noriaki Kamiyama, Tatsuya Mori, Ryoichi Kawahara, and Haruhisa Hasegawa,"Optimally Designing ISP-Operated CDN," The Institute of Electronics, Information and Communication Engineers, IEICE Transactions on Communications, Vol. E96-B No. 3, pp. 790-801, March 2013.

  4. Noriaki Kamiyama, Ryoichi Kawahara, Tatsuya Mori, and Haruhisa Hasegawa, "Effect of Limiting Pre-Distribution and Clustering Users on Multicast Pre-distribution VoD," The Institute of Electronics, Information and Communication Engineers, IEICE Transactions on Communications, Vol. E96-B, No. 1, pp. 143-154, January 2013.

  5. Ryutaro Matsumura, Haruhisa Hasegawa, "Link capacity design for shared protection with limited traffic information," The Institution of Engineering and Technology, IET Networks, Volume 2, Issue 1, pp.3-10, March 2013.

  6. Haruhisa Hasegawa, Noriaki Kamiyama, Hideaki Yoshino, "Traffic Management Scheme to Control Content Distribution with Cloud-based Architecture," Information Processing Society of Japan, Journal of Information Processing Vol. 20 No. 3, pp. 570-577, May 2012.

  7. Kazumichi Sato, Keisuke Ishibashi, Tsuyoshi Toyono, Haruhisa Hasegawa and Hideaki Yoshino, "Extending Black Domain Name List by Using Co-occurrence Relation between DNS Queries," The Institute of Electronics, Information and Communication Engineers, IEICE Transactions on Communications, Vol. E95-B, No. 3, pp. 794-802, March 2012.

  8. Noriaki Kamiyama, Tatsuya Mori, Ryoichi Kawahara, Shigeaki Harada and Haruhisa Hasegawa, "Analyzing Influence of Network Topology on Designing ISP-operated CDN," Telecommunication Systems, Volume 52, Issue 2, pp. 969-977, February 2013.

  9. Noriaki Kamiyama, Ryoichi Kawahara, Tatsuya Mori, Shigeaki Harada, and Haruhisa Hasegawa, "Parallel Video Streaming Optimizing Network Throughput," Journal Computer Communications, Vol. 34, Issue 10, pp. 1182-1194, July 2011.

  10. Nozomu Katayama, Takeshi Fujimura, Hiroyoshi Miwa, Noriaki Kamiyama, Haruhisa Hasegawa, Hideaki Yoshino, "Network Design Methods for Minimizing Number of Links Added to a Network to Alleviate Performance Degradation Following a Link Failure," The Institute of Electronics, Information and Communication Engineers, IEICE Transactions on Communications, Vol. E94-B, No.6, pp.1630-1639, June 2011.

  11. Noriaki Kamiyama, Ryoichi Kawahara, Tatsuya Mori, Shigeaki Harada, and Haruhisa Hasegawa, "Optimally Designing Caches to Reduce P2P Traffic," Computer Communications, Volume 34, Issue 7, pp. 883-897, May 2011.

  12. Ryoichi Kawahara, Keisuke Ishibashi, Tatsuya Mori, Noriaki Kamiyama, Shigeaki Harada, Haruhisa Hasegawa, and Shoichiro Asano, " Detection Accuracy of Network Anomalies using Sampled Flow Statistics," International Journal of Network Management, Volume 21, Issue 6, pp. 513-535, November 2011.

  13. Haruhisa Hasegawa, Naoaki Yamanaka, Kohei Shiomoto "ATM Flow Control Based on Rate Prediction with Extrapolation Under WAN Environment," The Institute of Electronics, Information and Communication Engineers, IEICE Electronics and Communications in Japan Part I, Vol. 83, Issue 7, pages 1-14, July 2000.

  14. Haruhisa Hasegawa, Shouji Kouno, Masaki Tanikawa, Yasushi Morioka, "Bandwidth Adaptation for Traffic Flow in Connectionless Service over ATM Networks ", The Institute of Electronics, Information and Communication Engineers, IEICE Transactions on Communications, Vol. E83-B, No. 2, pp. 273-280, February 2000.

  15. Naoaki Yamanaka, Eiji Oki, Kohei Shiomoto, Haruhisa Hasegawa, Thomas M. Chen, "User-Programmable Flexible ATM Network Architecture, Active-ATM," The Institute of Electronics, Information and Communication Engineers, IEICE Transactions on Communications, Vol. E81-B, No. 11, pp. 2233-2236, November 1998.

  16. Haruhisa Hasegawa, Naoaki. Yamanaka, KoheiShiomoto, "ATM Nodes with Light-Weight Flow-Control for High-Speed, Multi-Protocol ATM-WAN," The Institute of Electronics, Information and Communication Engineers, IEICE Transactions on Communications, Vol. E81-B, No. 2, pp. 392-401, February, 1998.

  17. Haruhisa Hasegawa, Naoaki Yamanaka, Kohei Shiomoto, "Adaptive Remote Rate Control Using Extrapolation and Correction Mechanism for Periodic Notification of Link Utilization Ratio," The Institute of Electronics, Information and Communication Engineers, IEICE Transactions on Communications, Vol. E80-B, No. 10, pp. 1576-1580, January 1997.

  18. Naoaki Yamanaka, Kohei Shiomoto and Haruhisa Hasegawa, "ALPEN: A Simple and Flexible ATM Network based on Multi Protocol Emulation at Edge Nodes," The Institute of Electronics, Information and Communication Engineers, IEICE Transactions on Communications, Vol. E79-B, No. 4, pp. 611-615, April 1996.

論文（査読あり、和文）

  1. 市野将嗣，前田浩明，小松尚久，竹下恵，辻野雅之，長谷川治久，吉野秀明, "LPCケプストラムを用いたネットワークトラヒック分類手法" 電子情報通信学会論文誌. B, 通信, Vol. J95-B, No. 7, pp. 835-847, July 2012.

  2. 長谷川治久, 山中 直明, 塩本 公平, "WAN環境を考慮した外挿演算によるレート予測値に基づくATMフロー制御" 電子情報通信学会論文誌. B-I, 通信I 情報通信システム・理論, Vol. J81-B-I, No. 5, pp. 291-304, May 1998.

  3. 上山憲昭，川原亮一，森達哉，原田薫明，長谷川治久,"ネットワークトポロジーがコンテンツ並列配信の効果に与える影響の分析," 電子情報通信学会論文誌B, 通信, Vol. J92-B, No. 11, 1764-1777, November 2009.

  4. 山中 直明, 塩本 公平, 長谷川治久 "フレキシブルマルチプロトコルエミュレーションATMネットワーク(ALPEN)," 電子情報通信学会論文誌. B, 通信, Vol. J80-B-I, No. 7, pp. 542-553, July 1997.

総説

  1. 高野正次，長谷川治久，"映像配信サービスの発展に対応するトラフィック管理技術"，NTT技術ジャーナル, Vol. 25，No. 7, pp. 16-19, July 2013.

  2. Ryoichi Kawahara, Noriaki Kamiyama, Tatsuya Mori, Haruhisa Hasegawa, "Traffic Engineering Using Overlay Network," NTT Technical Review, Vol. 8 No. 9, pp.16-19, September 2010.

  3. Kohei Shiomoto, Ichiro Inoue, Tomonori Takeda, Shinichiro Chaki, Takeshi Akaike, Haruhisa Hasegawa, "Toward a New Paradigm for Packet Service," NTT Technical Review, Special Feature: Design Concepts for New Generation, Vol. 7, No.5, May 2009.

  4. 川原亮一, 上山憲昭, 森達哉, 長谷川治久, "オーバレイネットワークによるトラヒック可制御化技術," ＮＴＴ技術ジャーナル, pp. 32-35, Vol. 22, No. 6, pp.32-35, June 2010.

  5. 塩本公平, 井上一郎, 武田知典, 赤池武志, 茶木愼一郎, 長谷川治久, "パケットサービスの新たなパラダイムを目指して," ＮＴＴ技術ジャーナル, Vol. 20, No. 11, pp. 60-66, November 2008.

  6. 高野正次，長谷川治久，森岡康，谷川真樹，金丸哲哉，"セルフサイジング技術のＧＭＮ‐ＣＬ網への適用," NTT R&D Vol. 48, No. 7, pp. 572-580, July 1999

国際会議

  1. Haruhisa Hasegawa, Shiori Aida, “Elevator Monitoring System to Guide User's Behavior by Visualizing the State of Crowdedness,” 4th IEEE/ACIS International Conference on Big Data, Cloud Computing, and Data Science Engineering, BCD2019 (Honolulu, USA), May 30 2019.

  2. Haruhisa Hasegawa, Shouji Kouno, Akihiro Shiozu, Masaaki Sasaki, and Shinsuke Shimogawa, " Predictive Network Traffic Engineering for Streaming Video Service," Proceedings of IFIP /IEEE International Symposium on Integrated Network Management IM 2013, pp.788-791, 27-31 May 2013.

  3. Masayuki Tsujino, Akihiro Shiozu, and Haruhisa Hasegawa, "Path Protection Design for Robust Communication Networks", International Symposium on Disaster Simulation & Structural Safety in the Next Generation, DS 2011, pp. 7-12, Kobe, Japan, 17-18 September 2011.

  4. Masatsugu Ichino, Hiroaki Maeda, Kentaro Hoshi, Naohisa Komatsu, Kei Takeshita, Masayuki Tsujino, Haruhisa Hasegawa, and Hideaki Yoshino, "Internet Traffic Classification Using LPC Cepstrum," IEEE International Conference on Communications, ICC 2011, Kyoto, Japan, 5-9 June 2011.

  5. Haruhisa Hasegawa and Masayuki Tsujino, "Traffic Management for Content Distribution Using Virtualized Hosts over Cloud Services", ACIS/JNU International Conference on Computers, Networks, Systems and Industrial Engineering, 2011 First CNSI, pp.159-163, Jeju Korea, 23-25 May 2011.

  6. Noriaki Kamiyama, Ryoichi Kawahara, Tatsuya Mori, and Haruhisa Hasegawa, "Limiting Pre-Distribution and Clustering Users on Multicast Pre-distribution VoD", IFIP/IEEE International Symposium on Integrated Network Management IM 2011, pp. 706-709, 23-27 May 2011.

  7. Masayuki Tsujino and Haruhisa Hasegawa, "Evaluating Optimized Router-Level Network Topology Derived from Network Flow Method", Computers, Networks, Systems, and Industrial Engineering, pp. 153-158, Jeju Korea, 23-25 May 2011.

  8. Ryoichi Kawahara, Noriaki Kamiyama, Tatsuya Mori, and Haruhisa Hasegawa, "Performance evaluation of peer-assisted content distribution," 2011 IEEE Consumer Communications and Networking Conference, IEEE CCNC 2011, pp. 725 - 729, Las Vegas, 9-12 January 2011.

  9. Nozomu Katayama, Takeshi Fujimura, Hiroyoshi Miwa, Noriaki Kamiyama, Haruhisa Hasegawa, and Hideaki Yoshino, "Design method of smallest robust networks against performance deterioration during failures," International Conference on Intelligent Networking and Collaborative Systems, INCoS 2010, Third International Workshop on Information Network Design, WIND2010, pp. 386-391, Thessaloniki, Greece, 24-26 November 2010.

  10. Ryutaro Matsumura, Masayuki Tsujino, and Haruhisa Hasegawa, "Linear programming approach to link capacity design for shared protection", IEEE International Congress on Ultra Modern Telecommunications and Control Systems and Workshops, ICUMT 2010, pp. 559 - 564, Reliable Networks Design and Modeling 2010, RNDM 2010, pp. 123-128,18-20 October 2010.

  11. Noriaki Kamiyama, Tatsuya Mori, Ryoichi Kawahara, Shigeaki Harada, and Haruhisa Hasegawa, "Analyzing Influence of Network Topology on Designing ISP-operated CDN," International Telecommunications Network Strategy and Planning Symposium , NETWORKS 2010, Warsaw, 27-30 September 2010.

  12. Noriaki Kamiyama, Ryoichi Kawahara, and Haruhisa Hasegawa, "Profit Allocation in Coalitional VoD Service," IEEE/ACM International Symposium on Modeling, Analysis & Simulation of Computer and Telecommunication Systems, MASCOTS 2010, pp. 111 - 120, Miami, 17-19 August 2010.

  13. Noriaki Kamiyama, Ryoichi Kawahara, Tatsuya Mori, Shigeaki Harada, and Haruhisa Hasegawa, "Optimally Designing Capacity and Location of Caches to Reduce P2P Traffic," IEEE International Conference on Communications, ICC 2010, pp. 1-6,Cape Town, 23-27 May 2010.

  14. Noriaki Kamiyama, Ryoichi Kawahara, Tatsuya Mori, Shigeaki Harada, and Haruhisa Hasegawa, "Impact of Topology on Parallel Video Streaming," IEEE Network Operations and Management Symposium, NOMS 2010, pp. 607 - 614, Osaka, April 2010.

  15. Tatsuya Mori, Ryoichi Kawahara. Haruhisa Hasegawa, and Shinsuke Shimogawa, "Characterizing traffic flows originated from large-scale video sharing services", The 2nd International Workshop on Traffic Monitoring and Analysis, TMA 2010, pp. 17-31, April 2010.

  16. Nozomu Katayama, Takeshi Fujimura, Hiroyoshi Miwa, Noriaki Kamiyama, Haruhisa Hasegawa, and Hideaki Yoshino, "A Design Method of Robust Networks against Performance Deterioration at Failures," IEEE Global Telecommunications Conference,IEEE GLOBECOM 2009, Hawaii, November 2009.

  17. Tatsuya Mori, Noriaki Kamiyama, Shigeaki Harada, Haruhisa Hasegawa, and Ryoichi Kawahara, "Improving deployability of peer-assisted CDN platform with incentive," IEEE Global Telecommunications Conference,IEEE GLOBECOM 2009, Hawaii, November 2009.

  18. Ryoichi Kawahara, Satoshi Kamei, Noriaki Kamiyama, Haruhisa Hasegawa, Hideaki Yoshino, E. K. Lua, and Akihiro Nakao, "A method of constructing QoS overlay network and its evaluation," IEEE Global Telecommunications Conference, IEEE GLOBECOM 2009, Hawaii, November 2009.

  19. Ryoichi Kawahara, Noriaki Kamiyama, Tatsuya Mori, Haruhisa Hasegawa, and Akihiro Nakao, "Controlling Overlays with Overlay: Traffic Engineering through Cooperation between Overlay and Underlay", 2nd Japan EU Symposium on the "New Generation Network" and the "Future Internet", October 2009.

  20. Ryoichi Kawahara, Tatsuya Mori, Noriaki Kamiyama, Shigeaki Harada, and Haruhisa Hasegawa, "Adaptive bandwidth control to handle long-duration large flows," IEEE International Conference on Communications, ICC 2009, Dresden, 14-18 June 2009.

  21. Noriaki Kamiyama, Tatsuya Mori, Ryoichi Kawahara, Shigeaki Harada, and Haruhisa Hasegawa, "ISP-Operated CDN," IEEE Global Internet Symposium 09, Rio de Janeiro, 19-25 April 2009.

  22. Shigeaki Harada, Ryoichi Kawahara, Tatsuya Mori, Noriaki Kamiyama, Haruhisa Hasegawa, and Hideaki Yoshino, "A method of detecting network anomalies in cyclic traffic," IEEE Global Telecommunications Conference, IEEE GLOBECOM 2008, New Orleans, 30 November 30 -4 December 2008.

  23. Ryoichi Kawahara, Noriaki Kamiyama, Shigeaki Harada, Haruhisa Hasegawa, and Shoichiro Asano, "Identifying anomalous traffic sources using flow statistics," IEEE Global Telecommunications Conference, IEEE GLOBECOM 2008, New Orleans, 30 November 30 -4 December 2008.

  24. Hirotaka Fukuda, Ryosuke Amano, Hiroyoshi Miwa, Noriaki Kamiyama, Haruhisa Hasegawa, and Hideaki Yoshino, "A Reliable and Efficient Path Control Method and a Network Re-design Method", Proc. The 4th Sino-Japanese Optimization Meeting, SJOM 2008, 82, Tainan, 27-31 August 2008.

  25. Noriaki Kamiyama, Ryoichi Kawahara, and Haruhisa Hasegawa, "Performance Evaluation of Parallel Download in Streaming Services," IEEE International Symposium on Communication Systems, Networks and Digital Signal Processing, IEEE CNSDSP 2008. 6th IEEE CSNDSP08, pp. 208 - 212, Graz, July 2008.

  26. Naoki Takaya, Haruhisa Hasegawa, Kazuhiro Tokunaga, and Akira Kurokawa, "Fixed Mobile Convergence (FMC) Network Service Architecture with Adaptive Bandwidth Functionality for Broadband Application Services", World Telecommunications Congress 2006, WTC 2006 BW1-2, May 2006.

  27. Haruhisa Hasegawa, Naoaki Yamanaka, and Kohei Shiomoto, "Feedback rate control with congestion prediction by edge nodes in ATM-WAN," IEEE Global Telecommunications Conference, IEEE GLOBECOM 1998, Vol. 3, pp. 1541-1546, Sydney, Australia, 8 - 12 November 1998.

  28. Naoaki Yamanaka, Eiji Oki, Haruhisa Hasegawa, and Thomas. M. Chen, "User-Programmable Flexible ATM Network Architecture Active-ATM - Experimental Results," IEEE Symposium on Computers and Communications, ISCC 1998, pp.178-182, Athens, Greece, 30 June -2 July 1998.

  29. Kohei Shiomoto, Naoaki Yamanaka, and Haruhisa Hasegawa, "A low-pass filter design for ATM traffic measurement and its application to bandwidth management, " IEEE Symposium on Computers and Communications, ISCC 1998, pp. 171-177, Athens, Greece, 30 June - 2 July 1998.

  30. Masaaki Nabeshima, Naoaki Yamanaka, and Haruhisa Hasegawa, "New scheduling mechanisms which efficiently utilize policing for GFR service", IEEE ATM Workshop 1998 , pp. 80 - 85, Fairfax, VA , USA 26-29 May 1998.

  31. Haruhisa Hasegawa, Naoaki Yamanaka, and Kohei Shiomoto, "Architectures of ATM nodes with light-weight flow control for high-speed, multi-protocol ATM-WAN," International Switching Symposium, ISS 1997, Toronto, Canada, Vol. 16, 21 - 26, Sepember 1997.

  32. Haruhisa Hasegawa, Naoaki Yamanaka, and Kohei Shiomoto, "Rate Control for High-speed Burst Transmission with Quick Response in Universal ATM-WAN, ALPEN," IEEE International Conference on Communications, ICC 1997, Vol. 3, pp. 1734-1738, Montreal Canada, 8 - 12 June 1997.

  33. Naoaki Yamanaka, Kohei Shiomoto, and Haruhisa Hasegawa, "ATM Multi-protocol Emulation Network, ALPEN, and its Statistical Link Resource Management Method," Eleventh Annual Workshop on Computer Communications, Reston, Virginia, Session 9, Paper No.4, 22 - 25, September 1996.

  34. Haruhisa Hasegawa, Naoaki Yamanaka, and Kohei Shiomoto, "Fast Resource Allocation Method Based on Simple Multi-Protocol WAN Architecture, ALPEN," IEEE ATM '96 Workshop, San Francisco, CA, 25 - 27 August 1996.

  35. Naoaki Yamanaka, Kohei Shiomoto, and Haruhisa Hasegawa, "ALPEN: an ATM multi-protocol emulation network, based on periodical performance check between edge nodes", IEEE International Conference on Communications, ICC 1996, Dallas, Texas USA, Vol. 1, pp. 392-397, 23 - 27 June 1996.

  36. Haruhisa Hasegawa, Naoaki Yamanaka, and Kohei Shiomoto, "A Virtual ABR Transmission achieved by Local Switch on a Large-scale Network, " IFIP WATM 1995, Paris, WG6.2, pp. 197-204, 6 - 8 December 1995.

  37. Akiya Inoue, Haruhisa Hasegawa, and Hiro Ito, "IDSSCOME Intelligent Decision Support System for Network Control", Network management and control / ed. by Ivan T. Frisch, Based on the proceedings of the Second IEEE Network Management and Control Workshop, pp.354-363, New York, September 21-23 1993.

  38. Haruhisa Hasegawa and Akiya Inoue, "Parallel Event Processing for Circuit-Switched Telecommunication Network Simulation", Proceedings of Winter Simulation Conference 1993, pp.1361 - 1362, December 1993.

  39. Haruhisa Hasegawa and Akiya Inoue, "Approach to Nation-Wide Network Simulation Making Virtual Reality for Telecommunication Network Management", In Proceedings of the 24th Winter Simulation Conference, Arlington, VA, USA, December 13-16, 1992. pages 1374-1379, ACM Press, December 1992.

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