#contents
  1. *2014
  2. **Journal Paper
  3. -Hiroyuki Sato, Yasuo Okabe, Takeshi Nishimura, Kazutsuna Yamaji, Motonori Nakamura,
  4. Privacy Enhancing Proxies in a Federation: Agent Approach and Cascade Approach,
  5. Journal of Information Processing, Vol. 22, No. 3 pp. 464-471, July 2014.
  6. **Conference Paper
  7. -Daisuke Kotani, Yasuo Okabe,
  8. A Packet-In Message Filtering Mechanism for Protection of Control Plane in OpenFlow Networks, The 10th ACM/IEEE Symposium on Architectures for Networking and Communications Systems (ANCS2014), pp.29-40, October 2014.
  9. -Masayuki Tsubouchi, Tomotaka Maeda, Yasuo Okabe,
  10. Digital Fingerprinting on Executable File for Tracking Illegal Uploaders,
  11. 6th IEEE International Workshop on Computer Forensics in Software Engineering (CFSE2014), (Proc. IEEE COMPSAC2014 Workshops), July 2014.
  12. *2013
  13. ** Journal Paper
  14. -Kazuo Iwama, Shuichi Miyazaki, and Hiroki Yanagisawa,
  15. A 25/17-Approximation Algorithm for the Stable Marriage Problem with One-Sided Ties,
  16. Algorithmica, Volume 68, Issue 3, pp. 758-775, March 2014.
  17. -Takao Inoshita, Robert W. Irving, Kazuo Iwama, Shuichi Miyazaki, Takashi Nagase, Improving Man-Optimal Stable Matchings by Minimum Change of Preference Lists, MDPI Algorithms, Vol. 6, Issue 2, pp. 371-382, May 2013.
  18. ** Conference Paper
  19. -Jun Kawahara, Koji M. Kobayashi, Shuichi Miyazaki, Better Bounds for Online k-Frame Throughput Maximization in Network Switches, Proc. 24th International Symposium on Algorithms and Computation (ISAAC 2013) (Lecture Notes in Computer Science 8283), pp. 218-228, Dec., 2013.
  20. -Yoshiharu Tsuzaki, Ryosuke Matsumoto, Daisuke Kotani, Shuichi Miyazaki, Yasuo Okabe,
  21. A Mail Transfer System Selectively Restricting a Huge Amoount of E-mails,
  22. Workshop on Resilient Internet based Systems (REIS 2013), pp. 896-900, Dec. 2013.
  23. -Hiroki Okamoto, Ryosuke Matsumoto, Yasuo Okabe,
  24. Design of Cooperative Load Distribution for Addressing Flash Crowds Using P2P File Sharing Network,
  25. IEEE 37th Annual International Computer Software and Applications Conference (COMPSAC2013), July 2013.
  26. -Motonori Nakamura, Takeshi Nishimura, Kazutsuna Yamaji, Hiroyuki Sato, Yasuo Okabe,
  27. Privacy Preserved Attribute Aggregation to Avoid Correlation of User Activities Across Shibboleth SPs,
  28. The 7th International Workshop on Middleware Architecture in the Internet (MirArch2013) (Proc. IEEE COMPSAC2013 Workshops), July 2013.
  29. -Hiroyuki Sato, Yasuo Okabe, Motonori Nakamura, Takeshi Nishimura, Kazutsuna Yamaji,
  30. Privacy Enhancing Proxies in Attribute Release:Two Approaches,
  31. The 7th International Workshop on Middleware Architecture in the Internet (MirArch2013) (Proc. IEEE COMPSAC2013 Workshops), July 2013.
  32. -Masaya Yokohata, Tomotaka Maeda, Yasuo Okabe,
  33. Power Allocation Algorithms of PoE for on-Demand Power Supply
  34. The 1st IEEE International Workshop on Consumer Devices and Systems (CDS2013),
  35. (Proc. IEEE COMPSAC2013 Workshops), July 2013.
  36. -Yasuhiro Teramoto, Rei Atarashi, Yoshifumi Atarashi, Yasuo Okabe,
  37. Managing Networks Independently of the Physical Topology by Service Defined Network,
  38. The 1st IEEE International Workshop on Architecture, Design, Deployment and Management of
  39. Networks and Applications (ADMNET2013),
  40. (Proc. IEEE COMPSAC2013 Workshops), July 2013. 
    *2012
**Journal Paper
-Iwama, K., Miyazaki, S. and Yanagisawa, H., ''Improved Approximation Bounds for the Student-Project Allocation Problem with Preferences over Projects'', [[Journal of Discrete Algorithms, Vol. 13, pp. 59-66:http://www.sciencedirect.com/science/article/pii/S1570866712000202]], May 2012.
**Conference Paper
  41. -Masaya Yokohata, Tomotaka Maeda, Yasuo Okabe,
  42. An Extension of the Link Layer Discovery Protocol for On-Demand Power Supply Network by PoE,
  43. First International WorkShop on Energy-Aware Systems, Communications and Security (EASyCoSe 2013) (In conjunction with IEEE AINA-2013), pp.1612-1616, March 2013.
  44. -Toyokazu Akiyama, Takeshi Nishimura, Kazutsuna Yamaji, Motonori Nakamura, Yasuo Okabe,
  45. Design and Implementation of a Functional Extension Framework for Authn ＆ Authz Federation Infrastructure Using Web Browser Add-on,
  46. 27th IEEE International Conference on Advanced Information Networking and Applications (AINA-2013), pp.389-396, March 2013. 
    - Daisuke Kotani, Yasuo Okabe,
''Packet‒In Message Control for Reducing CPU Load and Control Traffic in OpenFlow Switches'',
European Workshop on Software Defined Networks, pp.42-47, October, 2012.
-Wataru Oogami, Takaaki Komura, Yasuo Okabe,
''Secure ID Transformation for Robust Pseudonymity against Backflow of Personal Information in SAML Federation'',
Proc. 2012 IEEE 36th International Conference on Computer Software and Applications Workshops (6th IEEE International Workshop on Middleware Architecture in the Internet
(MidArch 2012)), pp.64-69, July 2012.
-Takuya Miyamoto, Youichi Koyama, Kazumi Sakai, Yasuo Okabe,
''A GMPLS-based Power Resource Reservation System toward Energy-on-Demand Home Networking'',
[[The 12th IEEE/IPSJ International Symposium on Applications and the Internet (SAINT2012):http://www.saintconference.org/2012/index.html]], pp.138-147, July 2012.
-Akihiro Takahashi, Tomotaka Maeda, Yasuo Okabe,
''Design and Implementation of a Secure Public Wireless Internet Service Model Using Host Identity Protocol'',
The 12th IEEE/IPSJ International Symposium on Applications and the Internet (SAINT2012), pp.19-28, July 2012.
-Ryosuke Matsumoto, Yasuo Okabe,
''Access Control Architecture Separating Privilege by a Thread on a Web Server'',
The 12th IEEE/IPSJ International Symposium on Applications and the Internet (SAINT2012), pp.178-183, July 2012.
- Daisuke Kotani, Kazuya Suzuki, Hideyuki Shimonishi,
''A design and implementation of OpenFlow Controller handling IP multicast with Fast Tree Switching'', The 12th IEEE/IPSJ International Symposium on Applications and the Internet(SAINT2012), pp.60-67, July 2012.

*2011
**Conference Paper
-Akihiro Takahashi, Yasuo Okabe,
[[''Providing Ubiquitous Networks Securely Using Host Identity Protocol'':http://dl.acm.org/citation.cfm?id=2089043]],
[[Asia Workshop on Future Internet Technologies (AWFIT2011):http://www.interlab.ait.ac.th/aintec2011/asiafiws.php]]
(In Conjunction with AINTEC 2011, Bangkok, Thailand),
Nov. 2011.
-Hamada, K., Iwama, K. and Miyazaki, S.,
''The Hospitals/Residents Problem with Quota Lower Bounds'',
Proceedings of the 19th Annual European Symposium on Algorithms ([[ESA 2011:http://esa2011.mpi-inf.mpg.de/]])
(Lecture Notes in Computer Science 6942)
pp. 180-191, Sep., 2011. (Saarbrucken, Germany)
-Moriteru Ishida, Hiroki Takakura, and Yasuo Okabe, ''High-Performance Intrusion Detection Using OptiGrid Clustering and Grid-Based Labelling'', [[The 11th IEEE/IPSJ International Symposium on Applications and the Internet (SAINT2011):http://snowman.nagaokaut.ac.jp/saint/]], pp. 11-19, July 2011. (Munich, Germany)
-Satoshi Ishibashi, Shuichi Miyazaki, and Yasuo Okabe, ''Design and Implementation of a Certified Document Delivery System without a Trusted Intermediate Authority'', [[The 11th IEEE/IPSJ International Symposium on Applications and the Internet (SAINT2011):http://snowman.nagaokaut.ac.jp/saint/]], pp. 20-26, July 2011. (Munich, Germany)
-Tomoki Shibata, Kazumi Sakai, and Yasuo Okabe, ''The Design and Implementation of an On-demand DC Grid in Home'', [[The 11th IEEE/IPSJ International Symposium on Applications and the Internet (SAINT2011):http://snowman.nagaokaut.ac.jp/saint/]], pp. 152-159, July 2011. (Munich, Germany)
-Iwama, K., Miyazaki, S. and Yanagisawa, H.,
''Improved Approximation Bounds for the Student-Project Allocation Problem with Preferences over Projects'', Proceedings of the 8th Annual Conference on Theory and Applications of Models of Computation ([[TAMC 2011:http://www.tamc2011.com/]]),
Lecture Notes in Computer Science 6648, pp. 440-451, May 2011. (Tokyo, Japan)
-Jungsuk Song, Hiroki Takakura, Yasuo Okabe, Masashi Eto, Daisuke Inoue, Koji Nakao,
''Statistical Analysis of Honeypot Data and Building of Kyoto2006+ Dataset for NIDS Evaluation'',
[[BADGERS 2011:http://iseclab.org/badgers2011/]], April 2011.

*2010
**Journal Paper
-Iwama, K., Miyazaki, S. and Yanagisawa, H.,
''Approximation Algorithms for the Sex-Equal Stable Marriage Problem'',
[[ACM Transactions on Algorithms:http://portal.acm.org/citation.cfm?doid=1868237.1868239]],
Vol. 7, Issue 1, Article No. 2, November 2010.
-Jungsuk Song, Hiroki Takakura, Yasuo Okabe, Daisuke Inoue, Masashi Eto, Koji Nakao,
''A Comparative Study of Unsupervised Anomaly Detection Techniques Using Honeypot Data'',
[[IEICE Transactions on Information and Systems, Vol.E93-D,No.9,pp.2544-2554:http://search.ieice.org/bin/summary.php?id=e93-d_9_2544&category=D&year=2010&lang=E&abst=]],Sep. 2010.

**Conference Paper
-Kenji Ohira, Yasuo Okabe,
''Host-Centric Site-Exit Router Selection in IPv6 Site Multihoming Environment'',
[[1st International Workshop on Protocols and Applications with Multi-Homing Support (PAMS 2011):http://www.tdr.wiwi.uni-due.de/en/workshops/pams-2011/]],
//(In conjunction with the [[25th International Conference on Advanced Information Networking and Applications (AINA):http://aina2011.i2r.a-star.edu.sg/]])
Singapore, pp. 696-703, 
March 22-25, 2011.
-Shin Maruyama, Masahiro Kozuka, Yasuo Okabe, Motonori Nakamura,
''Policy-based IP Address Selection in SCTP Automatic Address Reconfiguration'',
[[1st International Workshop on Protocols and Applications with Multi-Homing Support (PAMS 2011):http://www.tdr.wiwi.uni-due.de/en/workshops/pams-2011/]],
//(In conjunction with the [[25th International Conference on Advanced Information Networking and Applications (AINA):http://aina2011.i2r.a-star.edu.sg/]]),
Singapore, pp. 704-707, 
March 22-25, 2011.
-Kazumi Sakai, Yasuo Okabe,
''Quality-aware Energy Routing toward On-demand Home Energy Networking'',
Proc. [[IEEE Consumer Communications and Networking Conference (CCNC) 2011:http://www.ieee-ccnc.org/2011/]]
(Special Session on Ecological Home Network), pp.822-825,
Jan. 2011.
-Miyazaki, S. and Okamoto, K.,
''Improving the Competitive Ratios of the Seat Reservation Problem'',
Proceedings of the 6th IFIP TC1/WG2.2, International Conference ([[IFIP/TCS 2010:http://www.wcc2010.com/content/conferences/ifip/theoretical-computer-science-tcs-2010]]),
pp. 328-339, Sep., 2010. (Brisbane, Australia)
-Iwama, K., Miyazaki, S. and Yanagisawa, H.,
''A 25/17-Approximation Algorithm for the Stable Marriage Problem with One-Sided Ties'',
Proceedings of the 18th Annual European Symposium on Algorithms ([[ESA 2010:http://algo2010.csc.liv.ac.uk/esa/]]),
(Lecture Notes in Computer Science 6347)
pp. 135-146, Sep., 2010. (Liverpool, UK)

*2009
**Journal Paper
-Mitsuo Okada, Yasuo Okabe, Tetsutaro Uehara,
''Privacy-Secure Image Sharing System for a Purchaser and Recorded Subjects Using Semi-Blind Fingerprinting'',
[[Procedia - Social and Behavioral Sciences, Vol.2, Issue 1:http://www.sciencedirect.com/science/journal/18770428]], pp.137-142, Mar. 2010.
-Asahiro, Y., Miyano, E., Miyazaki, S. and Yoshimuta, T., ''Weighted Nearest Neighbor Algorithms for the Graph Exploration Problem on Cycles'', [[Information Processing Letters:http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V0F-4XJP41M-1&_user=119230&_coverDate=01%2F01%2F2010&_rdoc=4&_fmt=high&_orig=browse&_srch=doc-info%28%23toc%235645%232010%23998899996%231577324%23FLP%23display%23Volume%29&_cdi=5645&_sort=d&_docanchor=&_ct=10&_acct=C000009380&_version=1&_urlVersion=0&_userid=119230&md5=c6394990d64fd4f9adeeeb44e3ff9462]], Vol.110, Issue 3, pp. 93-98, January 2010.
-Shuichi Miyazaki, Naoyuki Morimoto and Yasuo Okabe, ''The Online Graph Exploration Problem on Restricted Graphs,'' 
[[IEICE Transactions on Information and Systems, Vol.E92-D,No.9,pp.1620-1627:http://search.ieice.org/bin/summary.php?id=e92-d_9_1620&category=D&year=2009&lang=E&abst=]], Sep. 2009.
-Hamada, K., Iwama, K. and Miyazaki, S., ''An Improved Approximation Lower Bound for Finding Almost Stable Maximum Matchings'', [[Information Processing Letters:http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V0F-4WKK1R3-1&_user=119230&_coverDate=08%2F31%2F2009&_rdoc=5&_fmt=high&_orig=browse&_srch=doc-info(%23toc%235645%232009%23998909981%231468091%23FLP%23display%23Volume)&_cdi=5645&_sort=d&_docanchor=&_ct=17&_acct=C000009380&_version=1&_urlVersion=0&_userid=119230&md5=7bb2fbec15564f3d9bbad8f6115f6549]], Vol.109, Issue 18, pp. 1036-1040, August 2009.
-Shuichi Miyazaki and Kazuya Okamoto, ''Improving the Competitive Ratio of the Online OVSF Code Assignment Problem'', [[Algorithms:http://www.mdpi.com/1999-4893/2/3/953]] 2009, Vol. 2, Issue 3, pp. 953-972, July 2009.
-Jungsuk Song, Hiroki Takakura, Yasuo Okabe and Yongjin Kwon, 
''Unsupervised Anomaly Detection Based on Clustering and Multiple One-class SVM'',
[[IEICE Transactions on Communications,Vol.E92-B, No.6, pp.1981-1990:http://search.ieice.org/bin/summary.php?id=e92-b_6_1981&category=B&year=2009&lang=E&abst=]], Jun. 2009.

**Conference Paper
-Mitsuo Okada, Yasuo Okabe, Tetsutaro Uehara, ''A Privacy-Secure Content Trading System for Small Content Providers Using Semi-Blind Digital Watermarking,'' The 2009 International Workshop on Forensics for Future Generation Communication environments ([[F2GC>http://www.ftrg.org/f2gc2009/index.htm]]), IEEE,pp.561--568, Jeju Korea,Dec 2009 
-Mitsuo Okada, Yasuo Okabe, Tetsutaro Uehara, ''Semi-Blind Fingerprinting Utilizing Ordinary Existing Watermarking Techniques,'' The 8th International Workshop on Digital Watermarking ([[IWDW09>http://www.iwdw.org.uk]]), LNCS 5703, pp.14--28, Guildford, UK, Aug 2009.
-Koji Kobayashi, Shuichi Miyazaki, Yasuo Okabe,
''Competitive Buffer Management for Multi-Queue Switches in QoS Networks using Packet Buffering Algorithms'',
[[21st ACM Symposium on Parallelism in Algorithms and Architectures (SPAA2009):http://www.cs.jhu.edu/~spaa/2009/]], pp.328-336, Calgary, Canada
August 11 - 13, 2009.
-Keita Shimizu, Shuichi Miyazaki, Yasuo Okabe,
''Design and Implementation of a Certified Mail Exchange System Using Simultaneous Secret Exchange''
[[The 2009 International Symposium on Applications and the Internet (SAINT2009):http://infonet.cse.kyutech.ac.jp/conf/saint09/]], pp. 37-42, Seattle, USA, 20 - 24 July 2009.
-Keiji Maekawa, Yasuo Okabe,
''An Enhanced Location Privacy Framework with Mobility Using Host Identity Protocol'',
[[The 2009 International Symposium on Applications and the Internet (SAINT2009):http://infonet.cse.kyutech.ac.jp/conf/saint09/]], pp. 23-29, Seattle, USA, 20 - 24 July 2009.
-Mitsuo Okada, Yasuo Okabe, Tetsutaro Uehara,
''Security Analysis on Privacy-Secure Image Trading Framework Using Blind Watermarking'',
The Third Workshop on Middleware
Architecture in the Internet (MidArc2009)
(held as a part of
[[SAINT2009:http://infonet.cse.kyutech.ac.jp/conf/saint09/]]),
Seattle, USA, 20 - 24 July 2009.
-Toshiyuki Kataoka, Takeshi Nishimura, Masaki Shimaoka, Kazutsuna Yamaji,
Motonori Nakamura, Noboru Sonehara, Yasuo Okabe,
''Leveraging PKI in SAML2.0 Federation for Enhanced Discovery Service'',
The Third Workshop on Middleware
Architecture in the Internet (MidArc2009)
(held as a part of
[[SAINT2009:http://infonet.cse.kyutech.ac.jp/conf/saint09/]]),
Seattle, USA, 20 - 24 July 2009.

*2008
**Journal Paper
-Naoyuki Kamiyama, Yuuki Kiyonari, Eiji Miyano, Shuichi Miyazaki, and Katsuhisa Yamanaka, ''Computational Complexities of University Interview Timetabling,'' 
IEICE TRANSACTIONS on Information and Systems, Volume E92-D, No.2,
pp.130-140, Feb. 2009.
-Koji Kobayashi, Shuichi Miyazaki, Yasuo Okabe,
''A Tight Upper Bound on Online Buffer Management for Multi-Queue Switches with Bicodal Buffers'',
IEICE Transactions on Information and System, Vol.E91-D, No.12, pp.2757-2769, Dec. 2008.
-Koji Kobayashi, Shuichi Miyazaki, Yasuo Okabe,
''A Tight Upper Bound on Online Buffer Management for Multi-Queue Switches with Bicodal Buffers'',
IEICE Transactions on Information and Communication System, Vol.E91-D,No.12,pp.-,Dec. 2008.
-Koji Kobayashi, Shuichi Miyazaki, Yasuo Okabe,
''A Tight Bound on Online Buffer Management for Two- port Shared-Memory Switches'',
IEICE Transactions on Information and Communication System,
Vol.E91-D,No.8,pp.2105-2114, Aug. 2008.
-Iwama, K., Miyazaki, S. and Yamauchi, N.,
''A (2-c 1 / \sqrt{N})-Approximation Algorithm for the Stable Marriage Problem,''
[[Algorithmica:http://www.springerlink.com/content/v8u8m8gp5u354564/?p=af32358fd62b4b1fb49ad12e5b9de524&pi=6]], Volume 51, Number 3, pp. 902-914, July 2008.
-Jungsuk Song, Kenji Ohira, Hiroki Takakura, Yasuo Okabe and Yongjin Kwon, 
''A Clustering Method for Improving Performance of Anomaly-based Intrusion Detection System'',
IEICE Transactions on Information and Communication System Security,
Vol.E91-D, No.5, pp.1282-1291, May. 2008.(To Appear)
-Mitsuo Okada, Hiroaki Kikuchi, and Yasuo Okabe, 
''Multi-bit Embedding for Asymmetric Digital Watermarking without Exposing Secret'',
IEICE Transactions on Information and Communication System Security,
Vol.E91-D, No.5, pp.1348-1358, May. 2008.(To Appear)

**Conference Paper
-Jungsuk Song, Hiroki Takakura and Yongjin Kwon,
''A Generalized Feature Extraction Scheme to Detect 0-Day Attacks via IDS Alerts'',
[[The 2008 International Symposium on Applications and the Internet(SAINT2008):http://www.icta.ufl.edu/saint08/]], Turku, FINLAND, 28 July - 1 Aug. 2008.
-Toshihiro Takagi, Takaaki Komura, Shuichi Miyazaki and Yasuo Okabe,
''Privacy Oriented Attribute Exchange in Shibboleth Using Magic Protocols'',
[[SAINT2008:http://www.icta.ufl.edu/saint08/]] Workshop on Middleware Architecture in the Internet, Turku, FINLAND, 28 July - 1 Aug. 2008.
-Jungsuk Song, Hiroki Takakura and Yasuo Okabe,
''Cooperation of Intelligent Honeypots to Detect Unknown Malicious Codes'',
WOMBAT Workshop on Information Security Threat Data Exchange (WISTDE 2008), Amsterdam, Netherlands, 21-22 April 2008.
-Miyazaki, S. and Okamoto, K.,
''Improving the Competitive Ratio of the Online OVSF Code Assignment Problem'',
Proc. 19th International Symposium on Algorithms and Computation ([[ISAAC 2008:http://www-or.amp.i.kyoto-u.ac.jp/isaac08/]])
(Lecture Notes in Computer Science 5369),
pp. 64-76, Dec., 2008. (Gold Coast, Australia)

*2007
**Journal Paper
-Halldorsson, M. M., Iwama, K., Miyazaki, S. and Yanagisawa, H.,
''Improved Approximation Results of the Stable Marriage Problem'',
[[ACM Transactions on Algorithms:http://portal.acm.org/citation.cfm?id=1273346&coll=portal&dl=ACM&CFID=34665573&CFTOKEN=97386851]],
Vol. 3, Issue 3, Article No. 30, August 2007.

**Conference Paper
-Jungsuk Song, Hayato Ohba, Hiroki Takakura, Yasuo Okabe, Kenji Ohira and Yongjin Kwon,
''A Comprehensive Approach to Detect Unknown Attacks via Intrusion Detection Alerts'',
[[The twelfth Asian Computing Science Conference(ASIAN2007) Focusing on Computer and Network Security:http://www.qatar.cmu.edu/asian07/]], LNCS 4846, 
Doha, Qatar, December 9-11, 2007.
-Koji Kobayashi and Kazuya Okamoto,
''Improved Upper Bounds on the Competitive Ratio for Online Realtime Scheduling'',
[[15th Annual European Symposium on Algorithms (ESA2007):http://www.algo07.cs.tau.ac.il/esa.html]],
Eilat, Israel, October 8-10, 2007 (to appear).
-Manami Kikuchi, Takayuki Ito, Hiroki Takakura,
''A Visualization Technique for Monitoring of Network Flow Data'', 
[[The First International Symposium on Information and Computer Elements ISICE 2007:http://www.waseda.jp/assoc-ISICE2007/]], Sept. 12-14, 2007.
-Iwama, K., Miyazaki, S. and Yanagisawa, H.,
''Approximation Algorithms for the Sex-Equal Stable Marriage Problem'',
Proc. [[10th Workshop on Algorithms and Data Structures (WADS 2007):http://projects.cs.dal.ca/wads07/]], (Lecture Notes in Computer Science 4619), pp. 201-213, August, 2007. (Halifax, Canada)
-Iwama, K., Miyazaki, S. and Okamoto, K.,
''Stable Roommates Problem with Triple Rooms'', 
Proc. [[10th KOREA-JAPAN Joint Workshop on Algorithms and Computation (WAAC 2007):http://waac2007.jnu.ac.kr/]], pp. 105-112, August, 2007. (Chonnam National University, Gwangju, Korea) 
-Koji Kobayashi, Shuichi Miyazaki, Yasuo Okabe,
''A Tight Bound on Online Buffer Management for two-port Shared-Memory Switches'',
[[19th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA2007):http://www.cs.jhu.edu/~spaa/2007/]], pp. 358-364, June 2007. 
-Jungsuk Song, Hiroki Takakura, Yasuo Okabe, Yongjin Kwon,
''A Robust Feature Normalization Scheme and an Optimized Clustering Method for Anomaly-based Intrusion Detection System'',
[[Proc. 12th International Conference on Database Systems for Advanced Applications (DASFAA2007),(Lecture Notes in Computer Science 4443):http://www.dasfaa07.ait.ac.th/index.htm]], pp. 140-151, April 2007.(Bangkok, Thailand)

*2006
**Journal Paper
- Iwama, K., Miyazaki, S. and Okamoto, K., 
''A (2-c log N/N)-Approximation Algorithm for the Stable Marriage Problem,'' 
[[IEICE TRANSACTIONS on Information and Systems, Volume E89-D No.8:http://search.ieice.org/bin/index.php?category=D&lang=E&vol=E89-D&num=8&abst=]], pp.2380-2387, August 2006.

**Conference Paper
- Asahiro, Y., Miyano, E., Miyazaki, S. and Yoshimuta, T., ''Weighted Nearest Neighbor Algorithms for the Graph Exploration Problem on Cycles'', 
Proc. 33rd Conference on Current Trends in Theory and Practice of Informatics ([[SOFSEM 2007:http://www.cs.cas.cz/sofsem/07/]]), (Lecture Notes in Computer Science 4362), 
pp. 164-175, Jan., 2007. (Harrachov, Czech Republic)
- Iwama, K., Miyazaki, S. and Yamauchi, N., ''A 1.875-Approximation Algorithm for the Stable Marriage Problem'', Proc. 18th ACM-SIAM Symposium on Discrete Algorithms ([[SODA 2007:http://www.siam.org/meetings/da07/]]), pp. 288-297, Jan., 2007. (New Orleans, USA)
- Yutaka Nakano, Motonori Nakamura, Yasuo Okabe, ''Analysis of Topological Properties of the Network Feeding Usenet News'', [[SAINT2007:http://infonet.cse.kyutech.ac.jp/conf/saint07/]], Jan. 2007.
- Shoichiro Fujiwara, Takaaki Komura, Yasuo Okabe, ''A Privacy Oriented Extension of Attribute Exchange in Shibboleth'', [[SAINT2007 Workshop on Middleware Architecture in the Internet:http://infonet.cse.kyutech.ac.jp/conf/saint07/workshops/Programs/ws-program-3.html]], Jan. 2007.
- Kiyonari, Y., Miyano, E. and Miyazaki, S.,
''Computational Complexity Issues in University Interview Timetabling,''
Proc. of The 6th International Conference on the Practice and Theory of Automated Timetabling ([[PATAT 2006):http://patat06.muni.cz/]],
pp. 448-453, August 2006. (Brno, Czech Republic)
- Kato, S., Miyazaki, S., Nishimura, Y. and Okabe, Y.,
''Cheat-proof Serverless Network Games,'' 
5th International Conference on Computers and Games ([[CG 2006):http://www.cs.unimaas.nl/cg2006/]], (Lecture Notes in Computer Science 4630), pp. 234-243, May 2006. (Turin, Italy)

**Drafts
- R. Stewart, Q. Xie, M. Tuexen, S. Maruyama, M. Kozuka, ''[[Stream Control Transmission Protocol (SCTP) Dynamic Address Reconfiguration>http://www.ietf.org/internet-drafts/draft-ietf-tsvwg-addip-sctp-17.txt]]'' , IETF Internet-Draft, Nov. 2006
- S. Maruyama, M. Kozuka, ''[[Stream Control Transmission Protocol (SCTP) Cumulative ASCONF chunk transmission extension>http://www.ietf.org/internet-drafts/draft-marushin-sctp-asconfext-01.txt]]'', IETF Internet-Draft, June 2006

*2005
**Conference Paper
-Shin Maruyama, Motonori Nakamura, Yasuo Okabe, Nariyoshi Yamai, Kiyohiko Okayama, Takuya Miyashita, ''Priority Control in Receiving E-mails by Giving a Separate Response to Each DNS Query'', SAINT2006, pp.90-93, Jan. 2006.
-Iwama, K., Miyazaki, S. and Yamauchi, N.,
''A (2-c 1 / ?sqrt{N})-Approximation Algorithm for the Stable Marriage Problem,'' 
Proc. 16th International Symposium on Algorithms and Computation ([[ISAAC 2005:http://www.cs.cityu.edu.hk/~isaac2005/]])
(Lecture Notes in Computer Science 3827), 
pp. 902-914, Dec., 2005. (Sanya, Hainan, China)
-K. Ohira, Y. Huang, Y. Okabe, K. Fujikawa, M. Nakamura, ''Security Analysis on Public Wireless Internet Service Models'', [[WMASH2005>http://wmash2005.ece.iastate.edu/]], pp. 107-110, Sept. 2005(poster)
-H. Murai, Y. Okabe, ''Pipeline Parallelization in HPF programs on the Earth Simulator'', HPF international Workshop: Experiences and Progress 2006 (HiWEP2005), Sept. 2005
-K. Ohira, Y. Koyama, K. Fujikawa, Y. Okabe, ''Automatic Address Assignment for IPv6 End-to-End Multihoming Sites'', [[ICITA2005>http://attend.it.uts.edu.au/icita05/]], Vol II, pp. 755-758, July 2005(poster)


*2004
**Journal Paper
-H. Ito, K. Iwama, Y. Okabe, T. Yoshihiro,
''Single backup table schemes for shortest-path routing'',
[[Theoretical Computer Science>http://www.elsevier.com/locate/tcs]], 333, pp. 347-353, 2005
-A. Ishtiaq, Y. Okabe, M. Kanazawa,
''Management of parallel UBR flows over TCP in congested ATM networks'',
[[Computer Communications>http://www.elsevier.com/locate/comcom]], 27, 801-808,
2004.
-Halldorsson, M., Iwama, K., Miyazaki, S. and Yanagisawa, H., 
''Randomized approximation of the stable marriage problem,''
Theoretical Computer Science, Vol. 325, No. 3, pp. 439-465, Oct. 2004.

**Conference Paper
- Nariyoshi Yamai, Kiyohiko Okayama, Takuya Miyashita, Shin Maruyama, Motonori Nakamura,
''Protection Method against Massive Error Mails Caused by Sender Spoofed Spam Mails'',
SAINT2005, Jan. 2005.
-A. Ishtiaq, Y. Okabe, M. Kanazawa,
''Issues of Multihoming Implementation using SCTP'',
[[IASTED International Conference on Communication Systems and Applications (CSA2004):http://www.iasted.org/conferences/2004/banff/csa-programmain.htm]], 422-162, July 2004.
- Iwama, K., Miyazaki, S. and Okamoto, K., ''A (2-c log N/N)-Approximation Algorithm for the Stable Marriage Problem,'' Proceedings of the 9th Scandinavian Workshop on Algorithm Theory ([[SWAT 2004:http://swat.diku.dk/]]), (LNCS 3111), pp. 349-361, July 2004. (Humlebaek, Denmark)

*2003
**Journal Paper
-Halldorsson, M., Irving, R., Iwama, K., Manlove, D., Miyazaki, S., Morita, Y. and Scott, S.  ''Approximability Results for Stable Marriage Problems with Ties'', Theoretical Computer Science, Vol. 306, pp. 431-447, Sept. 2003.
-Hiro Ito, Kazuo Iwama, Yasuo Okabe, Takuya Yoshihiro,
''Avoiding Routing Loops in the Internet,''
Theory of Computing Systems, 36, 597-609, 2003.

**Conference Paper
-Hiro Ito, Kazuo Iwama, Yasuo Okabe, Takuya Yoshihiro,
''Polynomial-Time Computable Backup Tables for Shortest-Path Routing,''
The 10th International Colloquium on Structural Information and
Communication Complexity (SIROCCO 2003), pp.163-177, June 2003.
-Halldorsson, M., Iwama, K., Miyazaki, S. and Yanagisawa, H. ''Randomized Approximation of the Stable Marriage Problem'', Proceedings of the ninth Annual International Computing and Combinatorics Conference ([[COCOON 2003:http://www.cs.montana.edu/bhz/cocoon03.html]]), (LNCS 2697), pp. 339-350, July 2003. (Big Sky, USA)
-Komura, T., Fujikawa, K., and Okabe, Y., ''The MIAKO.NET Public Wireless Internet Service in Kyoto,'' Proc. of the First ACM International Workshop on Wireless Mobile Applications and WLAN Hotspots ([[WMASH2003>http://wmash2003.cs.ucla.edu/]]), September 2003. 
-Halldorsson, M., Iwama, K., Miyazaki, S. and Yanagisawa, H., ''Improved Approximation of the Stable Marriage Problem'', Proceedings of the 11th Annual European Symposium on Algorithms (ESA 2003), (LNCS 2832), pp. 266-277, Sep. 2003. (Budapest, Hungary)
-Komura, T., Kosuga, M., Fujikawa, K., and Okabe, Y., ''Desgin and Implementation of the MIAKO.phone Peer-to-peer Mobile IP Phone System,'' 5th Asia-Pacific Symposium on Information and Telecommunication Technologies ([[APSITT2003>http://www.ieice.org/cs/in/APSITT2003/]]), November 2003.

**Drafts
//**学会誌・商業誌等解説
-Arifumi Matsumoto, Kenji Fujikawa, Yasuo, Okabe, ''Basic Socket API Extension for LIN6 End-to-End Multi-home,'' IETF Internet-Draft, 23 June 2003.
-Arifumi Matsumoto, Masahiro, Kozuka, Kenji Fujikawa, Yasuo Okabe, ''TCP Multi-Home Options,'' IETF Internet-Draft, 7 Oct 2003.
-Arifumi Matsumoto, Masahiro, Kozuka, Kenji Fujikawa, Yasuo Okabe, ''TLC-FM,'' IETF Internet-Draft, 7 Oct 2003.
-K. Ohira, K. Ogata, A. Matsumoto, K. Fujikawa, Y. Okabe, ''IPv6 Address Assingment and Route Selection for End-to-End Multihoming,'' IETF Internet-Draft, November 2003.
//**patent