[Japanese / English]

Keiichi ENDO
Associate Professor

Department of Computer Science, Graduate School of Science and Engineering, Ehime University
(Bunkyo-cho 3, Matsuyama 790-8577, Japan)

E-Mail:

Main Research Subject: Information System, Educational Technology, Information Network

[Journal Papers (refereed)]
  1. Yu Agusa, Takuya Fujihashi, Keiichi Endo, Hisayasu Kuroda, and Shinya Kobayashi: "Development of Seawater Temperature Announcement System for Improving Efficiency of Fishery Industry," Journal of Information and Telecommunication, Vol. 5, No. 1, pp. 62-82, 2021.
  2. Keiichi Endo, Takuya Fujihashi, and Shinya Kobayashi: "Tablet-assisted Education Incorporating Group Activities in a University," Journal of Information and Telecommunication, Vol. 4, No. 3, pp. 282-294, 2020.
  3. Keiichi Endo, Hisayasu Kuroda, and Shinya Kobayashi: "Implementing Education That Incorporates Group Activities in a Remote Environment," Computer Software, Vol. 37, No. 3, pp. 38-44, 2020.
  4. Takuya Fujihashi, Iori Otomo, Keiichi Endo, Yusuke Hirota, Shinya Kobayashi, and Takashi Watanabe: "A Study on Hybrid Digital-analog Video Transmission Utilizing Multiple Wireless Paths," IPSJ Journal, Vol. 59, No. 10, pp. 1880-1894, 2018.
  5. Keiichi Endo, Gakuto Fujioka, Ayame Onoyama, Dai Okano, Yoshinobu Higami, and Shinya Kobayashi: "Evaluation of Educational Applications in Terms of Communication Delay between Tablets with Bluetooth or Wi-Fi Direct," Vietnam Journal of Computer Science, Vol. 5, No. 3, pp. 219-227, 2018.
  6. Shinya Kobayashi, Hisayasu Kuroda, and Keiichi Endo: "How to Manage Practical Project Based Learning," Journal of JSEE, Vol. 65, No. 1, pp. 84-89, 2017.
  7. Keiichi Endo, Ryoki Horio, and Dai Okano: "A Ranking Algorithm for Mitigating the Influence of Contrived Ratings on Review Sites," Computer Science and Information Technology, Vol. 3, No. 6, pp. 256-263, 2015.
  8. Keiichi Endo, Shingo Yano, and Dai Okano: "Effective Load Balancing for Wireless Sensor Networks with Multiple Mobile Sinks," International Journal of Information and Computer Science, Vol. 3, pp. 45-51, 2014.
  9. Kaname Amano, Dai Okano, Keiichi Endo, and Hidenori Ogata: "Numerical Conformal Mappings onto the Canonical Slit Domains of Koebe (1916) by the Charge Simulation Method," Transactions of the Japan Society for Industrial and Applied Mathematics, Vol. 24, No. 3, pp. 157-183, 2014.
  10. Keiichi Endo, Akinobu Imaoka, Dai Okano, and Kaname Amano: "A Search Method Using Temporary Links for Unstructured P2P Networks," Journal of Networks, Vol. 9, No. 7, pp. 1665-1673, 2014.
  11. Kaname Amano, Dai Okano, Keiichi Endo, and Hidenori Ogata: "Numerical Conformal Mappings onto the Spiral Slit Domain by the Charge Simulation Method," Information-An International Interdisciplinary Journal, Vol. 16, No. 12(B), pp. 8575-8578, 2013.
  12. Keiichi Endo, Hiroshi Fujita, Dai Okano, and Kaname Amano: "Proposal of a Ranking Method for Comments in Social Media Using Ratings of Comment Posters," Global Journal of Computer Science and Technology, Vol. 13, No. 3-G, pp. 1-7, 2013.
  13. Kaname Amano, Takuya Oya, Shota Araki, Tasuku Osanai, Keiichi Endo, Dai Okano, Toshio Konishi, Koji Fukushi, and Jiro Hamada: "Effects of Quasi-Transformational Group Structures on Goodness Judgments of Patterns," IPSJ Journal, Vol. 54, No. 9, pp. 2254-2264, 2013.
  14. Keiichi Endo, Kentaro Watanabe, Dai Okano, and Kaname Amano: "An Efficient Position-based Broadcasting Method Considering Node Density in MANETs," Journal of Networks, Vol. 8, No. 4, pp. 804-811, 2013.
  15. Keiichi Endo, Ryosuke Hamabe, Dai Okano, and Kaname Amano: "An Effective Replication Technique Using Rateless Codes for Unstructured P2P Networks," Journal of Communications, Vol. 7, No. 4, pp. 349-356, 2012.
  16. Dai Okano, Keiichi Endo, and Kaname Amano: "Numerical Conformal Mappings on Rectangular Domains with a Slit," Theoretical and Applied Mechanics Japan, Vol. 60, pp. 333-341, 2012.
  17. Keiichi Endo, Yusuke Inoue, and Yutaka Takahashi: "Performance Modeling of Beaconless Forwarding Strategies in Multi-hop Wireless Networks," Computer Communications, Vol. 35, No. 1, pp. 120-128, 2012.
  18. Keiichi Endo, Kensuke Kanetada, Dai Okano, and Kaname Amano: "Proposal of a Flooding-based Flexible Search Method for Chord Networks," Global Journal of Computer Science and Technology, Vol. 11, No. 11, pp. 1-7, 2011.
  19. Keiichi Endo: "An Analytical Evaluation Method Based on Generalised Random Graphs for Unstructured Peer-to-Peer Content-Sharing Systems," International Journal of Communication Networks and Distributed Systems, Vol. 6, No. 4, pp. 392-403, 2011.
  20. Hiroki Yamamoto, Keiichi Endo, Dai Okano, and Kaname Amano: "An Information Retrieval Technique Achieving Short Search Time and Low Communication Load for Unstructured P2P Networks," IEICE Transactions on Information and Systems, Vol. J93-D, No. 7, pp. 1082-1090, 2010.
  21. Kaname Amano, Tao Li, Keiichi Endo, and Dai Okano: "Numerical Conformal Mappings onto Parallel and Collinear Slit Domains by the Charge Simulation Method," IPSJ Transactions on Advanced Computing Systems, Vol. 2, No. 4, pp. 83-94, 2009.
  22. Keiichi Endo: "An Analysis on the Probability Distribution of the Number of Hops Required for Content Lookups in Chord Networks," Information-An International Interdisciplinary Journal, Vol. 12, No. 5, pp. 991-1001, 2009.
  23. Kaname Amano, Hirokatsu Ootori, Tao Li, Keiichi Endo, and Dai Okano: "Numerical Conformal Mappings onto a Rectilinear Slit Domain by the Charge Simulation Method," IPSJ Journal, Vol. 50, No. 8, pp. 1775-1779, 2009.
  24. Keiichi Endo, Kenichi Saita, Minoru Kawahara, and Yutaka Takahashi: "A Self-organizing Algorithm Based on Content Similarity for P2P Networks," IEICE Transactions on Information and Systems, Vol. J91-D, No. 6, pp. 1494-1505, 2008.
  25. Keiichi Endo, Minoru Kawahara, and Yutaka Takahashi: "Encoding for Secure Computations in Distributed Interactive Real-time Applications," Computer Communications, Vol. 31, No. 9, pp. 1679-1686, 2008.
  26. Keiichi Endo, Minoru Kawahara, and Yutaka Takahashi: "A Distributed Architecture for Massively Multiplayer Online Services with Peer-to-Peer Support," IFIP - The International Federation for Information Processing, Vol. 229, pp. 147-158, 2007.
  27. Keiichi Endo, Minoru Kawahara, and Yutaka Takahashi: "Cheat Prevention for Massively Multiplayer Online Distributed Services," IPSJ Journal, Vol. 47, No. 4, pp. 1087-1098, 2006.
[International Conferences (refereed)] (Presenter's name is listed in boldface.)
  1. Takuya Ogawa, Keiichi Endo, Hisayasu Kuroda, and Shinya Kobayashi: "Examination of Analogy Method of Degree of Interest in News Articles by Gaze Information," Proceedings of the 3rd International Conference on Activity and Behavior Computing (ABC 2021), Online, October 22-23, 2021.
  2. Yu Agusa, Keiichi Endo, Hisayasu Kuroda, and Shinya Kobayashi: "Examination of Water Temperature Interpolation Method for Prediction," Proceedings of the 22nd International Conference on Advanced Computer Systems (ACS 2021), Online, June 28-30, 2021.
  3. Takuya Ogawa, Keiichi Endo, Hisayasu Kuroda, and Shinya Kobayashi: "Analogy of the Degree of Interest in a News Article by Gaze Information," Proceedings of the 22nd International Conference on Advanced Computer Systems (ACS 2021), Online, June 28-30, 2021.
  4. Takuya Ogawa, Keiichi Endo, Hisayasu Kuroda, and Shinya Kobayashi: "Improving Reading Accuracy in Personal Information Distribution Systems Using Smartwatches and Wireless Headphones," Proceedings of the 13th Asian Conference on Intelligent Information and Database Systems (ACIIDS 2021), Online, April 7-9, 2021.
  5. Yu Agusa, Keiichi Endo, Hisayasu Kuroda, and Shinya Kobayashi: "Examination of Water Temperature Accuracy Improvement Method for Forecast," Proceedings of the 13th Asian Conference on Intelligent Information and Database Systems (ACIIDS 2021), Online, April 7-9, 2021.
  6. Takuya Ogawa, Takuya Fujihashi, Keiichi Endo, and Shinya Kobayashi: "A Proposal of Personalized Information Distribution System Using Smart Watch and Wireless Headphones," Proceedings of the 12th Asian Conference on Intelligent Information and Database Systems (ACIIDS 2020), Online, March 23-26, 2020.
  7. Takuya Fujihashi, Iori Otomo, Keiichi Endo, Yusuke Hirota, Shinya Kobayashi, and Takashi Watanabe: "Wi-Fi Offloading for Multi-homed Hybrid Digital-Analog Video Streaming," Proceedings of 2019 IEEE International Conference on Communications (ICC 2019), Shanghai, China, May 20-24, 2019.
  8. Yu Agusa, Takuya Fujihashi, Keiichi Endo, Hisayasu Kuroda, and Shinya Kobayashi: "Development of Seawater Temperature Announcement System for Improving Productivity of Fishery Industry," Proceedings of the 11th Asian Conference on Intelligent Information and Database Systems (ACIIDS 2019), Yogyakarta, Indonesia, April 8-11, 2019.
  9. Takuya Ogawa, Takuya Fujihashi, Keiichi Endo, and Shinya Kobayashi: "Increasing the Chance of Interest Learning in the User-Aware Information Distribution System Using a Smart Watch," Proceedings of International Symposium on Affective Science and Engineering 2019 (ISASE 2019), Tokyo, Japan, March 17-18, 2019.
  10. Takuya Fujihashi, Makoto Kobayashi, Keiichi Endo, Shunsuke Saruwatari, Shinya Kobayashi, and Takashi Watanabe: "Graceful Quality Improvement in Wireless 360-Degree Video Delivery," Proceedings of IEEE Global Communications Conference 2018 (GLOBECOM 2018), Abu Dhabi, UAE, December 9-13, 2018.
  11. Keiichi Endo, Takuya Fujihashi, and Shinya Kobayashi: "Utilizing Tablets in an Ideathon for University Undergraduates," Proceedings of the 10th Asian Conference on Intelligent Information and Database Systems (ACIIDS 2018), Dong Hoi, Vietnam, March 19-21, 2018.
  12. Kento Ando, Yu Fujihara, Takuya Fujihashi, Keiichi Endo, Hisayasu Kuroda, and Shinya Kobayashi: "Improvement of Community Bus Operation Management System," Proceedings of the 10th Asian Conference on Intelligent Information and Database Systems (ACIIDS 2018), Dong Hoi, Vietnam, March 19-21, 2018.
  13. Yu Agusa, Takuya Fujihashi, Keiichi Endo, Hisayasu Kuroda, and Shinya Kobayashi: "Development of Seawater Temperature Announcement System for Quick and Accurate Red Tide Estimation," Proceedings of the 10th Asian Conference on Intelligent Information and Database Systems (ACIIDS 2018), Dong Hoi, Vietnam, March 19-21, 2018.
  14. Keiichi Endo, Ayame Onoyama, Dai Okano, Yoshinobu Higami, and Shinya Kobayashi: "Comparative Evaluation of Bluetooth and Wi-Fi Direct for Tablet-Oriented Educational Applications," Proceedings of the 9th Asian Conference on Intelligent Information and Database Systems (ACIIDS 2017), Ishikawa, Japan, April 3-5, 2017.
  15. Kosuke Yamaguchi, Tsutomu Inamoto, Keiichi Endo, Yoshinobu Higami, and Shinya Kobayashi: "Evaluation of Influence Exerted by a Malicious Group's Various Aims in the External Grid," Proceedings of the 20th International Multi-Conference on Advanced Computer Systems (ACS 2016), Miedzyzdroje, Poland, October 19-21, 2016.
  16. Takahiro Hirokawa, Masahiro Hayashi, Yohei Miyase, Kyosuke Watanabe, Keiichi Endo, Hisayasu Kuroda, and Shinya Kobayashi: "Development of a Management System for Community Bus Operation," Proceedings of International Conference on Business and Industrial Research (ICBIR 2016), Bangkok, Thailand, May 12-13, 2016.
  17. Kaname Amano, Dai Okano, Keiichi Endo, and Hidenori Ogata: "Numerical Conformal Mappings onto the Spiral Slit Domain by the Charge Simulation Method," Proceedings of the 6th International Conference on Information (INFORMATION 2013), pp. 232-235, Tokyo, Japan, May 8-11, 2013.
  18. Yusuke Inoue, Keiichi Endo, and Yutaka Takahashi: "A Distance-Aware Forwarding Protocol for Beaconless Communication in Mobile Ad Hoc Networks and Its Performance," Proceedings of the 5th Annual International Wireless Internet Conference (WICON 2010), Singapore, March 1-3, 2010.
  19. Keiichi Endo: "An Analysis of the Number of Message Receivers in Highly Clustered Peer-to-Peer Networks," Proceedings of 2009 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PacRim '09), pp. 477-482, Victoria, Canada, August 23-26, 2009.
  20. Keiichi Endo, Minoru Kawahara, and Yutaka Takahashi: "A Proposal of Encoded Computations for Distributed Massively Multiplayer Online Services," Proceedings of ACM SIGCHI International Conference on Advances in Computer Entertainment Technology 2006 (ACE 2006), Hollywood, USA, June 14-16, 2006.
  21. Keiichi Endo, Minoru Kawahara, and Yutaka Takahashi: "A Distributed Architecture for Massively Multiplayer Online Services with Peer-to-Peer Support," Proceedings of IFIP TC6 Conference on Network Control and Engineering for QoS, Security and Mobility 2005 (NetCon '05), pp. 143-154, Lannion, France, November 14-17, 2005.