Koji Okamura

Research output

Research output per year 2000 2005 2006 2007 2008 2009 2011 2013 2018 2020 2023

• 60 Conference contribution
• 39 Article
• 5 Paper
• 4 Chapter
• 7 More
  • 3 Editorial
  • 2 Letter
  • 1 Review article
  • 1 Other contribution

Research output per year

Research output per year

Search results

• 2021

  A Comparative Analysis of Japan and India COVID-19 News Using Topic Modeling Approach

  Ghasiya, P. & Okamura, K., 2021, Communication and Intelligent Systems - Proceedings of ICCIS 2020. Sharma, H., Gupta, M. K., Tomar, G. S. & Lipo, W. (eds.). Springer Science and Business Media Deutschland GmbH, p. 447-460 14 p. (Lecture Notes in Networks and Systems; vol. 204).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • News Flow 100%
  • Research 50%
  • Indians 50%
  • Migrants 50%
  • Natural Language Processing 50%

• Investigating Cybersecurity News Articles by Applying Topic Modeling Method

  Ghasiya, P. & Okamura, K., Jan 13 2021, 35th International Conference on Information Networking, ICOIN 2021. IEEE Computer Society, p. 432-438 7 p. 9333952. (International Conference on Information Networking; vol. 2021-January).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Cybersecurity 100%
  • Natural Language Processing 33%
  • Topic Modeling 33%
  • Threat 16%
  • Case Study 16%
• 2020

  Comparative Analysis of Japan and the US Cybersecurity Related Newspaper Articles: A Content and Sentiment Analysis Approach

  Ghasiya, P. & Okamura, K., 2020, Advanced Information Networking and Applications - Proceedings of the 34th International Conference on Advanced Information Networking and Applications, AINA 2020. Barolli, L., Amato, F., Moscato, F., Enokido, T. & Takizawa, M. (eds.). Springer, p. 431-443 13 p. (Advances in Intelligent Systems and Computing; vol. 1151 AISC).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Cybersecurity 100%
  • Research Worker 50%
  • Machine Learning Technique 50%
  • Natural Language Processing 25%
  • Domains 25%
  1 Citation (Scopus)

• Cybersecurity Text Data Classification and Optimization for CTI Systems

  Rodriguez, A. & Okamura, K., 2020, Web, Artificial Intelligence and Network Applications - Proceedings of the Workshops of the 34th International Conference on Advanced Information Networking and Applications, WAINA 2020. Barolli, L., Amato, F., Moscato, F., Enokido, T. & Takizawa, M. (eds.). Springer, p. 410-419 10 p. (Advances in Intelligent Systems and Computing; vol. 1150 AISC).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Cyber Threat Intelligence 100%
  • Teams 66%
  • Data Classification 66%
  • Cybersecurity 66%
  • Optimization 33%
  3 Citations (Scopus)

• Detection and Mitigation of LFA Attack in SDN-IoT Network

  Allakany, A., Yadav, G., Paul, K. & Okamura, K., 2020, Web, Artificial Intelligence and Network Applications - Proceedings of the Workshops of the 34th International Conference on Advanced Information Networking and Applications, WAINA 2020. Barolli, L., Amato, F., Moscato, F., Enokido, T. & Takizawa, M. (eds.). Springer, p. 1087-1096 10 p. (Advances in Intelligent Systems and Computing; vol. 1150 AISC).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Links 100%
  • Software-Defined Network 85%
  • Flooding Attack 85%
  • Internet of Things 71%
  • Networks 57%
  3 Citations (Scopus)

• Implementation and Evaluation on Automated E-Learning Contents Creation Based on Natural Language Processing Techniques

  Wang, Y. & Okamura, K., 2020, Web, Artificial Intelligence and Network Applications - Proceedings of the Workshops of the 34th International Conference on Advanced Information Networking and Applications, WAINA 2020. Barolli, L., Amato, F., Moscato, F., Enokido, T. & Takizawa, M. (eds.). Springer, p. 662-670 9 p. (Advances in Intelligent Systems and Computing; vol. 1150 AISC).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • e-learning 100%
  • Keywords 28%
  • Content Creation 28%
  • Natural Language Processing 28%
  • System Management 28%

• IoT-PEN: A Penetration Testing Framework for IoT

  Yadav, G., Paul, K., Alaa Mohammed, A. A. & Okamura, K., Jan 2020, 34th International Conference on Information Networking, ICOIN 2020. IEEE Computer Society, p. 196-201 6 p. 9016445. (International Conference on Information Networking; vol. 2020-January).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Internet of Things 100%
  • Vulnerabilities 60%
  • Attack 50%
  • Attackers 30%
  • Penetration Testing Framework 30%
  6 Citations (Scopus)

• Learning Analytics with Multi-faced Data for Cybersecurity Education

  Kaneko, K., Igarashi, T., Kayama, K., Takeuchi, T., Suzuki, T., Kawase, A., Sunaga, T., Okuhara, M. & Okamura, K., Sept 2020, Proceedings - 2020 9th International Congress on Advanced Applied Informatics, IIAI-AAI 2020. Matsuo, T., Takamatsu, K., Ono, Y. & Hirokawa, S. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 244-249 6 p. 9430419. (Proceedings - 2020 9th International Congress on Advanced Applied Informatics, IIAI-AAI 2020).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Cybersecurity 100%
  • Education 66%
  • Learning Analytics 66%
  • Personalities 33%
  • Questionnaire 33%
  1 Citation (Scopus)
• 2019

  Automatically Generate E-Learning Quizzes from IoT Security Ontology

  Wang, Y., Allakany, A., Kulshrestha, S., Shi, W., Bose, R. & Okamura, K., Jul 2019, Proceedings - 2019 8th International Congress on Advanced Applied Informatics, IIAI-AAI 2019. Institute of Electrical and Electronics Engineers Inc., p. 166-171 6 p. 8992785. (Proceedings - 2019 8th International Congress on Advanced Applied Informatics, IIAI-AAI 2019).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Internet of Things 100%
  • Ontology 66%
  • User 50%
  • e-learning 50%
  • Classification 33%
  2 Citations (Scopus)

• Generating real time cyber situational awareness information through social media data mining

  Rodriguez, A. & Okamura, K., Jul 2019, Proceedings - 2019 IEEE 43rd Annual Computer Software and Applications Conference, COMPSAC 2019. Getov, V., Gaudiot, J-L., Yamai, N., Cimato, S., Chang, M., Teranishi, Y., Yang, J-J., Leong, H. V., Shahriar, H., Takemoto, M., Towey, D., Takakura, H., Elci, A., Takeuchi, S. & Puri, S. (eds.). IEEE Computer Society, p. 502-507 6 p. 8753997. (Proceedings - International Computer Software and Applications Conference; vol. 2).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Situational Awareness 100%
  • Cyber Time 100%
  • Cyber 66%
  • Internet 33%
  • Relevant Information 33%
  4 Citations (Scopus)

• Penetration Testing Framework for IoT

  Yadav, G., Allakany, A., Kumar, V., Paul, K. & Okamura, K., Jul 2019, Proceedings - 2019 8th International Congress on Advanced Applied Informatics, IIAI-AAI 2019. Institute of Electrical and Electronics Engineers Inc., p. 477-482 6 p. 8992645. (Proceedings - 2019 8th International Congress on Advanced Applied Informatics, IIAI-AAI 2019).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Networks 100%
  • Penetration Testing 100%
  • Internet of Things 80%
  • Testing 60%
  • Individual Component 60%
  2 Citations (Scopus)
• 2018

  An Unknown Malware Detection Using Execution Registry Access

  Kono, K., Phomkeona, S. & Okamura, K., Jun 8 2018, Proceedings - 2018 IEEE 42nd Annual Computer Software and Applications Conference, COMPSAC 2018. Demartini, C., Reisman, S., Liu, L., Tovar, E., Takakura, H., Yang, J-J., Lung, C-H., Ahamed, S. I., Hasan, K., Conte, T., Nakamura, M., Zhang, Z., Akiyama, T., Claycomb, W. & Cimato, S. (eds.). IEEE Computer Society, p. 487-491 5 p. 8377909. (Proceedings - International Computer Software and Applications Conference; vol. 2).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Malware 100%
  • Malware Infection 66%
  • Unknown Malware 66%
  • Detection Accuracy 33%
  • Incident 33%
  3 Citations (Scopus)
• 2017

  Effectiveness of Experiential Learning for Keeping Knowledge Retention in IoT Security Education

  Ban, Y., Okamura, K. & Kaneko, K., Nov 15 2017, Proceedings - 2017 6th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2017. Hashimoto, K., Fukuta, N., Matsuo, T., Hirokawa, S., Mori, M. & Mori, M. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 699-704 6 p. 8113334. (Proceedings - 2017 6th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2017).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Activity Learning 100%
  • Groups 71%
  • Learner 57%
  • Learning 42%
  • Effectiveness 42%
  8 Citations (Scopus)

• Feasibility study for building hybrid storage system consisting of non-volatile DIMM and SSD

  Oe, K., Nanri, T. & Okamura, K., Jan 13 2017, Proceedings - 2016 4th International Symposium on Computing and Networking, CANDAR 2016. Institute of Electrical and Electronics Engineers Inc., p. 454-457 4 p. 7818655. (Proceedings - 2016 4th International Symposium on Computing and Networking, CANDAR 2016).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Solid State Drive 100%
  • Nonvolatile 77%
  • Dual Inline Memory Module 66%
  • Storage System 55%
  • Algorithms 33%
  4 Citations (Scopus)

• Latency monitoring in software-defined networks

  Allakany, A. M. & Okamura, K., Jun 14 2017, Proceedings of the 12th International Conference on Future Internet Technologies, CFI 2017. Association for Computing Machinery, 3095791. (ACM International Conference Proceeding Series; vol. Part F128772).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Networks 100%
  • Links 75%
  • Quality of Service 50%
  • Probe 50%
  • Application 25%
  1 Citation (Scopus)
• 2016

  Analysis of storage workloads of input-output access locality and designing of hybrid storage system

  Oe, K., Nanri, T. & Okamura, K., Aug 31 2016, Proceedings - 2016 5th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2016. Hiramatsu, A., Matsuo, T., Kanzaki, A. & Komoda, N. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 971-974 4 p. 7557753

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Input/Output 100%
  • Storage System 60%
  • Magnetic Hard Disk 40%
  • Filesystems 40%
  • Virtual Desktop 40%
  6 Citations (Scopus)

• Collaborative Spoofing Detection and Mitigation - SDN Based Looping Authentication for DNS Services

  Sahri, N. M. & Okamura, K., Aug 24 2016, Proceedings - 2016 IEEE 40th Annual Computer Software and Applications Conference Workshops, COMPSAC 2016. Liu, L., Milojicic, D., Zhang, Z., Zhang, Z., Ahamed, S. I., Sato, H., Cimato, S., Claycomb, W., Reisman, S., Nakamura, M., Lung, C. H. & Matskin, M. (eds.). IEEE Computer Society, p. 565-570 6 p. 7552274. (Proceedings - International Computer Software and Applications Conference; vol. 2).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Server 100%
  • Spoofing 83%
  • Authentication 66%
  • Detection 33%
  • Attack 33%
  8 Citations (Scopus)

• On-The-Fly Automated Storage Tiering with Caching and both Proactive and Observational Migration

  Oe, K., Nanri, T. & Okamura, K., Mar 2 2016, Proceedings - 2015 3rd International Symposium on Computing and Networking, CANDAR 2015. Institute of Electrical and Electronics Engineers Inc., p. 371-377 7 p. 7424741. (Proceedings - 2015 3rd International Symposium on Computing and Networking, CANDAR 2015).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Magnetic Hard Disk 100%
  • User 40%
  • Experimental Result 20%
  • Storage System 20%
  • Workload 20%
  11 Citations (Scopus)

• Protecting DNS services from IP spoofing-SDN collaborative authentication approach

  Sahri, N. M. & Okamura, K., Jun 15 2016, Proceedings of the 11th International Conference on Future Internet Technologies, CFI 2016. Association for Computing Machinery, p. 83-89 7 p. (ACM International Conference Proceeding Series; vol. 15-17-June-2016).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Server 100%
  • Spoofing 83%
  • Authentication 66%
  • Attack 33%
  • Software Defined Networking 33%
  6 Citations (Scopus)
• 2015

  A hybrid storage system composed of on-the-fly automated storage tiering (OTF-AST) and caching

  Oe, K. & Okamura, K., Feb 27 2015, Proceedings - 2014 2nd International Symposium on Computing and Networking, CANDAR 2014. Institute of Electrical and Electronics Engineers Inc., p. 406-411 6 p. 7052218

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Input/Output 100%
  • Storage System 42%
  • Workload 28%
  • Experimental Result 14%
  • Response Time 14%
  3 Citations (Scopus)
• 2014

  Design and implementation of Content Warehouse for optimal performance of Content Centric Network

  Chhetri, Y. & Okamura, K., Jan 1 2014, 2014 International Conference on Signal Propagation and Computer Technology, ICSPCT 2014. IEEE Computer Society, p. 304-311 8 p. 6884884

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Networks 100%
  • Routers 100%
  • Server 66%
  • Centric Content 66%
  • Simulation 33%

• Social-oriented adaptive transmission in wireless ad hoc networks

  Ning, Z., Song, Q., Guo, L. & Okamura, K., Jan 1 2014, 2014 IEEE International Conference on Communications, ICC 2014. IEEE Computer Society, p. 490-495 6 p. 6883366. (2014 IEEE International Conference on Communications, ICC 2014).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Ad Hoc Wireless Network 100%
  • Simulation 50%
  • Roles 50%
  • Throughput 50%
  • Network Performance 50%
  6 Citations (Scopus)
• 2013

  Aiding OpenFlow controller by enhancing OpenFlow's control model, and behaviour of flows

  Othman, O. M. M. & Okamura, K., 2013, TNC 2013 - Innovating Together. TERENA, (TNC 2013 - Innovating Together).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Control 100%
  • Networks 85%
  • Simulation Mode 57%
  • OpenFlow 57%
  • Openflow Controller 42%

• Ant colony based forwarding method for content-centric networking

  Li, C., Okamura, K. & Liu, W., Aug 19 2013, Proceedings - 27th International Conference on Advanced Information Networking and Applications Workshops, WAINA 2013. p. 306-311 6 p. 6550415. (Proceedings - 27th International Conference on Advanced Information Networking and Applications Workshops, WAINA 2013).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Forwarding 100%
  • Domains 40%
  • Centric Content 40%
  • Algorithms 30%
  • Networking 30%
  23 Citations (Scopus)

• Enhancing control model to ease off centralized control of flow-based SDNs

  Othman, M. M. O. & Okamura, K., 2013, Proceedings - 2013 IEEE 37th Annual Computer Software and Applications Conference, COMPSAC 2013. IEEE Computer Society, p. 467-470 4 p. 6649866. (Proceedings - International Computer Software and Applications Conference).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Control 100%
  • Networks 85%
  • Simulation Mode 57%
  • OpenFlow 28%
  • Internet 14%
  6 Citations (Scopus)

• Hybrid control model for flow-based networks

  Othman, M. M. O. & Okamura, K., 2013, Proceedings - 2013 IEEE 37th Annual Computer Software and Applications Conference Workshops, COMPSACW 2013. p. 765-770 6 p. 6605886. (Proceedings - International Computer Software and Applications Conference).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Control 100%
  • Networks 85%
  • Simulation Mode 57%
  • OpenFlow 42%
  • Internet 28%
  6 Citations (Scopus)
• 2011

  Compression method for high dynamic range intensity to improve SAR image visibility

  Hisanaga, S., Wakimoto, K. & Okamura, K., Jul 26 2011, IMECS 2011 - International MultiConference of Engineers and Computer Scientists 2011. p. 589-593 5 p. (IMECS 2011 - International MultiConference of Engineers and Computer Scientists 2011; vol. 1).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Synthetic Aperture Radar Images 100%
  • Dynamic Range 40%
  • Compression Method 20%
  • Synthetic Aperture Radar 20%
  • Visibility 20%
  5 Citations (Scopus)

• Content anycasting applications for future internet

  Othman Othman, M. M. & Okamura, K., Jul 26 2011, IMECS 2011 - International MultiConference of Engineers and Computer Scientists 2011. p. 658-663 6 p. (IMECS 2011 - International MultiConference of Engineers and Computer Scientists 2011; vol. 1).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Application 100%
  • Internet 40%
  • Video Streaming 40%
  • Design 20%
  • User 20%

• Genetic algorithm for optimizing and arrangement of queue in virtual networks

  Sukoco, H. & Okamura, K., Jul 26 2011, IMECS 2011 - International MultiConference of Engineers and Computer Scientists 2011. p. 670-675 6 p. (IMECS 2011 - International MultiConference of Engineers and Computer Scientists 2011; vol. 1).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Genetic Algorithm 100%
  • Networks 66%
  • Routers 66%
  • Fitness Function 66%
  • Virtual Networks 66%
  1 Citation (Scopus)

• Grouping packet scheduling for virtual networks by genetic algorithm

  Sukoco, H. & Okamura, K., Aug 16 2011, Proceedings of the 6th International Conference on Future Internet Technologies, CFI11. p. 59-65 7 p. (Proceedings of the 6th International Conference on Future Internet Technologies, CFI11).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Genetic Algorithm 100%
  • Virtual Networks 100%
  • Packet Scheduling 100%
  • Design 50%
  • Networks 50%

• Implementation of green wireless LAN system by on-demand power supply

  Ohmori, M. & Okamura, K., Mar 28 2011, International Conference on Information Networking 2011, ICOIN 2011. p. 194-199 6 p. 5723177. (International Conference on Information Networking 2011, ICOIN 2011).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Local Area Network 100%
  • Electricity Consumption 75%
  4 Citations (Scopus)

• Mobility support through locator/ID split architecture

  Kang, J. S. & Okamura, K., 2011, International Conference on Information Networking 2011, ICOIN 2011. p. 404-409 6 p. 5723118. (International Conference on Information Networking 2011, ICOIN 2011).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Mobility Support 100%
  • Identifier 66%
  • Control 33%
  • Networks 33%
  • Communication 33%
  2 Citations (Scopus)
• 2010

  Design and implementation of application based routing using OpenFlow

  Othman, M. M. & Okamura, K., Oct 25 2010, Proceedings of the 5th International Conference on Future Internet Technologies, CFI10. p. 60-67 8 p. (Proceedings of the 5th International Conference on Future Internet Technologies, CFI10).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • OpenFlow 100%
  • Application 50%
  • Internet 50%
  • Design 50%
  • Utilization 50%
  15 Citations (Scopus)
• 2009

  A centralized resource and admission control scheme for NGN core networks

  Cho, I. K. & Okamura, K., Dec 1 2009, 2009 International Conference on Information Networking, ICOIN 2009. 4897252. (2009 International Conference on Information Networking, ICOIN 2009).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Generation Network 100%
  • Control 85%
  • Quality of Service 71%
  • Service 42%
  • Networks 28%
  4 Citations (Scopus)

• Analysis of subscribers' usages and attitudes for video IP telephony services over NGN

  Cho, I., Okamura, K., Song, M. W. & Lee, Y. R., 2009, 11th International Conference on Advanced Communication Technology, ICACT 2009 - Proceedings. Vol. 3. p. 1549-1553 5 p. 4809369

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Service 100%
  • Telephony 60%
  • Next Generation Networks 60%
  • Networks 20%
  • Convergence 20%
  1 Citation (Scopus)

• A proposal to enhance and control continuous communications in proxy mobile IPv6

  Kang, J. S., Ohmori, M. & Okamura, K., Oct 5 2009, Proceedings - 2009 International Conference on Advanced Information Networking and Applications, AINA 2009. p. 456-462 7 p. 5076234. (Proceedings - International Conference on Advanced Information Networking and Applications, AINA).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Communication 100%
  • Access Network 50%
  • Control 40%
  • Provider Service 20%
  • Simulation Mode 10%

• Medical application of internet based multipoint tele-conference technology

  Lee, S., Okamura, K. & Lee, J., 2009, Proceedings of the International Conference on Complex, Intelligent and Software Intensive Systems, CISIS 2009. p. 1001-1005 5 p. 5066914

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Medical Application 100%
  • Internet 33%
  • Medical Service 33%
  • Technical Issue 33%
  1 Citation (Scopus)

• Tele-conference using advanced tool on future IP

  Lee, S., Okamura, K. & Yang, E., Dec 1 2009, 2009 International Conference on Information Networking, ICOIN 2009. 4897332. (2009 International Conference on Information Networking, ICOIN 2009).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Teleconferencing 100%
  • Networks 50%
  • Server 50%
  • Image Quality 50%
  • Network Technology 50%
• 2008

  A study on the subscribers' drifts and attitudes regarding the provision of converged services

  Cho, I., Okamura, K., Ha, S., Lee, Y. & Oh, H., 2008, 10th International Conference on Advanced Communication Technology, ICACT 2008 - Proceedings. Vol. 1. p. 748-753 6 p. 4493865

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Service 100%
  • Networks 66%
  • Convergence 33%
  • Attitude 33%
  • Binocular Convergence 33%

• DVTS videoconferencing with quatre a reasonable tool for medical multipoint applications

  Shimizu, S., Okamura, K. & Navrátil, J., 2008, CESNET Conference 2008 - Security, Middleware, and Virtualization - Glue of Future Networks, Proceedings. Krcmarova, G. & Sojka, P. (eds.). CESNET, z. s. p. o., p. 113-121 9 p. (CESNET Conference 2008 - Security, Middleware, and Virtualization - Glue of Future Networks, Proceedings).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Video 100%
  • Tool 100%
  • Transport System 100%
  • Simulation Mode 100%
  • Videorecording 100%

• Experimental evaluation of usage pattern in campus mobile IP network

  Ryu, J. & Okamura, K., 2008, Proceedings - The 28th International Conference on Distributed Computing Systems Workshops, ICDCS Workshops 2008. p. 54-59 6 p. 4577758. (Proceedings - International Conference on Distributed Computing Systems).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • User 100%
  • Roaming 40%
  • Evaluation 20%
  • Simulation 20%
  • Networks 20%
  1 Citation (Scopus)

• The bandwidth feasibility test method for ubiquitous tele-conference on future internet

  Lee, S., Okamura, K. & Yang, E., 2008, Proceedings of the 2008 International Symposium on Parallel and Distributed Processing with Applications, ISPA 2008. p. 790-794 5 p. 4725228

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • User 100%
  • Feasibility Test 100%
  • Bandwidth 75%
  • Internet 25%
  • Network Bandwidth 25%
• 2007

  A remote surgery experiment between Japan and Thailand over Internet using a low latency CODEC system

  Arata, J., Takahashi, H., Pitakwatchara, P., Warisawa, S. N. I., Tanoue, K., Konishi, K., Ieiri, S., Shimizu, S., Nakashima, N., Okamura, K., Fujino, Y., Ueda, Y., Chotiwanll, P., Mitsuishit, M. & Hashizume, M., 2007, 2007 IEEE International Conference on Robotics and Automation, ICRA'07. p. 953-959 7 p. 4209212. (Proceedings - IEEE International Conference on Robotics and Automation).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Internet 100%
  • Network Infrastructure 66%
  • Application 33%
  • Control Signal 33%
  • Contexts 33%
  60 Citations (Scopus)

• A remote surgery experiment between Japan-Korea using the minimally invasive surgical system

  Arata, J., Takahashi, H., Pitakwatchara, P., Warisawa, S., Konishi, K., Tanoue, K., Ieiri, S., Shimizu, S., Nakashima, N., Okamura, K., Kim, Y., Kim, S., Hahm, J., Hashizume, M. & Mitsuishi, M., 2007, IFMBE Proceedings. Kim, S. I. & Suh, T. S. (eds.). 1 ed. Springer Verlag, p. 3065-3068 4 p. (IFMBE Proceedings; vol. 14, no. 1).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Integrated Services Digital Network 100%
  • Internet 66%
  • Control Signal 66%
  • Networks 66%
  • Teams 33%
  3 Citations (Scopus)

• A routing scheme for supporting network mobility of sensor network based on 6LoWPAN

  Kim, J. H., Hong, C. S. & Okamura, K., 2007, Managing Next Generation Networks and Services - 10th Asia-Pacific Network Operations and Management Symposium, APNOMS 2007, Proceedings. Springer Verlag, p. 155-164 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 4773 LNCS).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  Open Access

  • Mobility Network 100%
  • Optimization 25%
  • Simulation 25%
  • Correlation 25%
  • Packet Forwarding 25%
  19 Citations (Scopus)
• 2006

  Analyzing correlation between flow data and AS paths in BGP routing

  Harada, Y., Okamura, K., Chiyonobu, T. & Lee, Y., 2006, Frontiers of High Performance Computing and Networking - ISPA 2006 International Workshops, FHPCN, XHPC, S-GRACE, GridGIS, HPC-GTP, PDCE, ParDMCom, WOMP, ISDF, and UPWN, Proceedings. p. 1126-1135 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 4331 LNCS).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Internet 100%
  • Correlation 100%
  • Internet Traffic 66%
  • Design 33%
  • Statistics 33%
  2 Citations (Scopus)

• A remote surgery experiment between Japan-Korea using the minimally invasive surgical system

  Arata, J., Takahashi, H., Pitakwatchara, P., Warisawa, S., Konishi, K., Tanoue, K., Ieiri, S., Shimizu, S., Nakashima, N., Okamura, K., Kim, Y. S., Kim, S. M., Hahm, J. S., Hashizume, M. & Mitsuishi, M., 2006, Proceedings 2006 IEEE International Conference on Robotics and Automation, ICRA 2006. p. 257-262 6 p. 1641193. (Proceedings - IEEE International Conference on Robotics and Automation; vol. 2006).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Submarine Cable Network 100%
  12 Citations (Scopus)

• Field trial of 40-Gbit/s wavelength path quality assurance using GMPLS-controlled all-optical 2R regenerator

  Yagi, M., Tanaka, S., Satomi, S., Ryu, S., Okamura, K., Aoyagi, M. & Asano, S., 2006, Optical Fiber Communication Conference, OFC 2006. Optical Society of America, (Optics InfoBase Conference Papers).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Regenerator 100%
  • Wavelength 50%
  • Field Trial 50%
  • Quality Assurance 50%
  • Measurement 25%
• 2005

  An enhanced SOS architecture for DDoS attack defense using active network technology

  In, C. H., Hong, C. S., Wei, J. & Okamura, K., Dec 1 2005, Proceedings - Advanced Industrial Conference on Telecommunications/Service Assurance with Partial and Intermittent Resources Conference/E-Learning on Telecommunications Workshop AICT/SAPIR/ELETE 2005. p. 90-97 8 p. 1517611. (Proceedings - Advanced Industrial Conference on Telecommunications/Service Assurance with Partial and Intermittent Resources Conference/E-Learning on Telecommunications Workshop AICT/SAPIR/ELETE 2005; vol. 2005).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Attack 100%
  • Overlay 80%
  • Service Overlay 80%
  • Service Architecture 60%
  • Functions 20%
  3 Citations (Scopus)

• Field trial of 40-Gbit/s wavelength path quality assurance using GMPLS-controlled all-optical 2R regenerator

  Yagi, M., Tanaka, S., Satomi, S., Ryu, S., Okamura, K., Aoyagi, M. & Asano, S., Dec 1 2005, OFC/NFOEC 2005 Optical Fiber Communication Conference, Technical Digest. p. 471-473 3 p. 1497647. (Conference on Optical Fiber Communication, Technical Digest Series; vol. 4).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Regenerator 100%
  • Wavelength 50%
  • Field Trial 50%
  • Quality Assurance 50%
  • Measurement 25%