Realization of Continuously Backed-up RAMs for High-Speed Database Recovery. - Yahiko Kambayashi; Hiroki Takakura (DASFAA, 1991)

A Design of a Transparent Backup System Using a Main Memory Database. - Hiroki Takakura; Yahiko Kambayashi (DASFAA, 1993)

Data Structure and Algorithms for New Hardware Technology. - Yahiko Kambayashi; Hiroki Takakura; Shintaro Meki (FODO, 1993)

Continuous Backup Systems Utilizing Flash Memory. - Hiroki Takakura; Yahiko Kambayashi (ICDE, 1993)

Design and performance evaluation of flash memory back-up systems. - Hiroki Takakura; Yahiko Kambayashi (Syst. Comput. Jpn., 1994)

Dynamic Map Synthesis Utilizing Extended Thesauruses and Reuse of Query Generation Process. - Ken'ichi Horikawa; Masatoshi Arikawa; Hiroki Takakura; Yahiko Kambayashi (ACM-GIS, 1997)

A Dynamic Navigation System Based on User's Geographical Situation. - Toshihiko Hamano; Hiroki Takakura; Yahiko Kambayashi (ER Workshops, 1998)

Visual User Interface for Spatial Databases Combined with Landscape Images and Sensors. - Hiroki Takakura; Yutaka Banjou; Yahiko Kambayashi (DANTE, 1999)

Organization of Mobile Networks under Privacy Constraints. - Toshihiko Hamano; Hiroki Takakura; Yahiko Kambayashi (ICSC, 1999)

Web-Based Inference Rules for Processing Conceptual Geographical Relationships. - Taro Tezuka; Ryong Lee; Yahiko Kambayashi; Hiroki Takakura (WISE (2), 2001)

Visual Query Processing for GIS with Web Contents. - Ryong Lee; Hiroki Takakura; Yahiko Kambayashi (VDB, 2002)

Web Locality Based Ranking Utilizing Location Names and Link Structure. - Yohsuke Inoue; Ryong Lee; Hiroki Takakura; Yahiko Kambayashi (WISE Workshops, 2002)

Classification of Web Pages with Geographic Scope and Level of Details for Mobile Cache Management. - Naoharu Yamada; Ryong Lee; Yahiko Kambayashi; Hiroki Takakura (WISE Workshops, 2002)

Caching Schema for Mobile Web information Retrieval. - Ryong Lee; K. Goshima; Yahiko Kambayashi; Hiroki Takakura (WebDyn@WWW, 2002)

Map-Based Range Query Processing for Geographic Web Search Systems. - Ryong Lee; Hironori Shiina; Taro Tezuka; Yusuke Yokota; Hiroki Takakura; Yongjin Kwon; Yahiko Kambayashi (Digital Cities, 2003)

Optimization of geographic area to a Web page for two-dimensional range query processing. - Ryong Lee; Hironori Shiina; Hiroki Takakura; Yongjin Kwon; Yahiko Kambayashi (WISE Workshops, 2003)

Hierarchical Visualization of Network Intrusion Detection Data. - Takayuki Itoh; Hiroki Takakura; Atsushi Sawada; Koji Koyamada (IEEE Computer Graphics and Applications, 2006)

A Comprehensive Approach to Detect Unknown Attacks Via Intrusion Detection Alerts. - Jungsuk Song; Hayato Ohba; Hiroki Takakura; Yasuo Okabe; Kenji Ohira; Yongjin Kwon (ASIAN, 2007)

A Robust Feature Normalization Scheme and an Optimized Clustering Method for Anomaly-Based Intrusion Detection System. - Jungsuk Song; Hiroki Takakura; Yasuo Okabe; Yongjin Kwon (DASFAA, 2007)

A Generalized Feature Extraction Scheme to Detect 0-Day Attacks via IDS Alerts. - Jungsuk Song; Hiroki Takakura; Yongjin Kwon (SAINT, 2008)

A Clustering Method for Improving Performance of Anomaly-Based Intrusion Detection System. - Jungsuk Song; Kenji Ohira; Hiroki Takakura; Yasuo Okabe; Yongjin Kwon (IEICE Trans. Inf. Syst., 2008)

Unsupervised Anomaly Detection Based on Clustering and Multiple One-Class SVM. - Jungsuk Song; Hiroki Takakura; Yasuo Okabe; Yongjin Kwon (IEICE Trans. Commun., 2009)

A Comparative Study of Unsupervised Anomaly Detection Techniques Using Honeypot Data. - Jungsuk Song; Hiroki Takakura; Yasuo Okabe; Daisuke Inoue; Masashi Eto; Koji Nakao (IEICE Trans. Inf. Syst., 2010)

Statistical analysis of honeypot data and building of Kyoto 2006+ dataset for NIDS evaluation. - Jungsuk Song; Hiroki Takakura; Yasuo Okabe; Masashi Eto; Daisuke Inoue; Koji Nakao (BADGERS@EuroSys, 2011)

A grid-based clustering for low-overhead anomaly intrusion detection. - Yang Zhong; Hirofumi Yamaki; Hiroki Takakura (NSS, 2011)

High-Performance Intrusion Detection Using OptiGrid Clustering and Grid-Based Labelling. - Moriteru Ishida; Hiroki Takakura; Yasuo Okabe (SAINT, 2011)

Improving Performance of Anomaly-Based IDS by Combining Multiple Classifiers. - Kazuya Kishimoto; Hirofumi Yamaki; Hiroki Takakura (SAINT, 2011)

An Adaptive Honeypot System to Capture IPv6 Address Scans. - Kazuya Kishimoto; Kenji Ohira; Yukiko Yamaguchi; Hirofumi Yamaki; Hiroki Takakura (CyberSecurity, 2012)

An anti-spam method via real-time retransmission detection. - Naoya Kitagawa; Hiroki Takakura; Tsunehiko Suzuki (ICON, 2012)

Unknown Attacks Detection Using Feature Extraction from Anomaly-Based IDS Alerts. - Masaaki Sato; Hirofumi Yamaki; Hiroki Takakura (SAINT, 2012)

A Malware Classification Method Based on Similarity of Function Structure. - Yang Zhong; Hirofumi Yamaki; Hiroki Takakura (SAINT, 2012)

ARIGUMA Code Analyzer: Efficient Variant Detection by Identifying Common Instruction Sequences in Malware Families. - Yang Zhong; Hirofumi Yamaki; Yukiko Yamaguchi; Hiroki Takakura (COMPSAC, 2013)

Toward a more practical unsupervised anomaly detection system. - Jungsuk Song; Hiroki Takakura; Yasuo Okabe; Koji Nakao (Inf. Sci., 2013)

A Countermeasure Recommendation System against Targeted Attacks with Preserving Continuity of Internal Networks. - Hirokazu Hasegawa; Yukiko Yamaguchi; Hajime Shimada; Hiroki Takakura (COMPSAC, 2014)

Development of a Secure Traffic Analysis System to Trace Malicious Activities on Internal Networks. - Soshi Hirono; Yukiko Yamaguchi; Hajime Shimada; Hiroki Takakura (COMPSAC, 2014)

Unknown Attack Detection by Multistage One-Class SVM Focusing on Communication Interval. - Shohei Araki; Yukiko Yamaguchi; Hajime Shimada; Hiroki Takakura (ICONIP (3), 2014)

Estimation of cause of ice jam flooding in sub-arctic regions using PALSAR full polarimetry data. - Manabu Watanabe; Hiroki Takakura; Chinatsu Yonezawa; Yasuhiro Yoshikawa; Masanobu Shimada (IGARSS, 2014)

Message from SEPT Symposium Organizing Committee. - Bhavani Thuraisingham; Dianxiang Xu; Hiroki Takakura; Mohammad Zulkernine; Elisa Bertino (COMPSAC, 2015)

Detecting Malicious Inputs of Web Application Parameters Using Character Class Sequences. - Yang Zhong; Hiroshi Asakura; Hiroki Takakura; Yoshihito Oshima (COMPSAC, 2015)

Malware Classification Method Based on Sequence of Traffic Flow. - Hyoyoung Lim; Yukiko Yamaguchi; Hajime Shimada; Hiroki Takakura (ICISSP, 2015)

Evaluation on Malware Classification by Session Sequence of Common Protocols. - Shohei Hiruta; Yukiko Yamaguchi; Hajime Shimada; Hiroki Takakura; Takeshi Yagi; Mitsuaki Akiyama (CANS, 2016)

An Automated ACL Generation System for Secure Internal Network. - Hirokazu Hasegawa; Yukiko Yamaguchi; Hajime Shimada; Hiroki Takakura (COMPSAC Workshops, 2016)

Message from the SEPT Organizing Committee. - Bhavani Thuraisingham; Dianxiang Xu; Hiroki Takakura; Mohammad Zulkernine; Elisa Bertino (COMPSAC, 2016)

An incident response support system based on seriousness of infection. - Hirokazu Hasegawa; Yukiko Yamaguchi; Hajime Shimada; Hiroki Takakura (ICOIN, 2016)

A fully meshed backbone network for data-intensive sciences and SDN services. - Takashi Kurimoto; Shigeo Urushidani; Hiroshi Yamada; Kenjiro Yamanaka; Motonori Nakamura; Shunji Abe; Kensuke Fukuda; Michihiro Koibuchi; Yusheng Ji; Hiroki Takakura; Shigeki Yamada (ICUFN, 2016)

SINET5: A low-latency and high-bandwidth backbone network for SDN/NFV Era. - Takashi Kurimoto; Shigeo Urushidani; Hiroshi Yamada; Kenjiro Yamanaka; Motonori Nakamura; Shunji Abe; Kensuke Fukuda; Michihiro Koibuchi; Hiroki Takakura; Shigeki Yamada; Yusheng Ji (ICC, 2017)

Malware originated HTTP traffic detection utilizing cluster appearance ratio. - Hideki Ogawa; Yukiko Yamaguchi; Hajime Shimada; Hiroki Takakura; Mitsuaki Akiyama; Takeshi Yagi (ICOIN, 2017)

Resource Allocation for Throughput Optimization in Buffer-Limited Mobile Ad Hoc Networks. - Jia Liu 009; Yang Xu 012; Ruo Ando; Hiroki Takakura; Yifei Xu (NaNA, 2017)

Editor's Message to Special Issue of Applications and the Internet in Conjunction with Main Topics of COMPSAC 2016. - Hiroki Takakura (J. Inf. Process., 2017)

Message from the Fast Abstract Co-chairs. - Hossain Shahriar; Hiroki Takakura; Michiharu Takemoto; Dave Towey (COMPSAC (1), 2018)

Speculating Incident Zone System on Local Area Networks. - Daichi Hasumi; Shigeyoshi Shima; Hiroki Takakura (WTMC@SIGCOMM, 2018)

Detecting Successful Attacks from IDS Alerts Based On Emulation of Remote Shellcodes. - Yo Kanemoto; Kazufumi Aoki; Makoto Iwamura; Jun Miyoshi; Daisuke Kotani; Hiroki Takakura; Yasuo Okabe (COMPSAC (2), 2019)

Construction of Secure Internal Networks with Communication Classifying System. - Yuya Sato; Hirokazu Hasegawa; Hiroki Takakura (ICISSP, 2019)

Resilience Evaluations of a Wide-area Distributed System with a SDN-FIT system. - Hiroki Kashiwazaki; Hiroki Takakura; Shinji Shimojo (ICT-DM, 2019)

IDS Alert Priority Determination Based on Traffic Behavior. - Shohei Hiruta; Satoshi Ikeda; Shigeyoshi Shima; Hiroki Takakura (IWSEC, 2019)

Resilient Mechanisms for Reliable Digital Health Services. - Hiroki Takakura (SERVICES, 2019)

SPINZ: A Speculating Incident Zone Systemfor Incident Handling. - Daichi Hasumi; Shigeyoshi Shima; Hiroki Takakura (J. Cyber Secur. Mobil., 2019)

A Quantitative Evaluation of a Wide-Area Distributed System with SDN-FIT. - Hiroki Kashiwazaki; Hiroki Takakura; Shinji Shimojo (COMPSAC, 2020)

An Evaluation of Stochastic Quantitative Resilience Index Based on SLAs of Communication Lines. - Hiroki Kashiwazaki; Hiroki Takakura; Shinji Shimojo (COMPSAC, 2021)

On Strategic Interactions in Blockchain Markets: A Three-stage Stackelberg Game Approach. - Jianbo Shao; Yang Xu 012; Jia Liu 009; Hiroki Takakura; Zhao Li 005; Xuewen Dong (GLOBECOM, 2021)

Incident Response Support System for Multi-Located Network by Correlation Analysis of Individual Events. - Masahito Kumazaki; Hirokazu Hasegawa; Yukiko Yamaguchi; Hajime Shimada; Hiroki Takakura (ICISS, 2021)

Assessment System for Residual Risks of Information Leakage in Incident Countermeasures. - Tomohiro Noda; Hirokazu Hasegawa; Hiroki Takakura (ICISS, 2021)

A Dynamic Access Control System based on Situations of Users. - Hirokazu Hasegawa; Hiroki Takakura (ICISSP, 2021)

A Proposal of Stochastic Quantitative Resilience Index Based on SLAs for Communication Lines. - Hiroki Kashiwazaki; Hiroki Takakura; Shinji Shimojo (ICOIN, 2021)

Choice of parallelism: multi-GPU driven pipeline for huge academic backbone network. - Ruo Ando; Youki Kadobayashi; Hiroki Takakura (Int. J. Parallel Emergent Distributed Syst., 2021)

Incentive Routing Design for Covert Communication in Multi-hop Decentralized Wireless Networks. - Meng Xie; Jia Liu 009; Hiroki Takakura; Yang Xu 012; Zhao Li 005; Norio Shiratori (GLOBECOM, 2022)

Stackelberg Game-based Secure Communication in SWIPT-enabled Relaying Systems. - Yang Xu 012; Jia Liu 009; Hiroki Takakura; Zhao Li 005; Yusheng Ji; Norio Shiratori (ICC, 2022)

A Resource Importance Estimation Method Based on Proximity of Hierarchical Position. - Yingtao Zhou; Hirokazu Hasegawa; Hiroki Takakura (ICISS, 2022)

Cyber Attack Stage Tracing System based on Attack Scenario Comparison. - Masahito Kumazaki; Hirokazu Hasegawa; Yukiko Yamaguchi; Hajime Shimada; Hiroki Takakura (ICISSP, 2022)

Buffer Space Management in Intermittently Connected Internet of Things: Sharing or Allocation? - Jia Liu 009; Yang Xu 012; Yulong Shen 001; Hiroki Takakura; Xiaohong Jiang 001; Tarik Taleb (IEEE Internet Things J., 2022)

Security Operation Support by Estimating Cyber Attacks Without Traffic Decryption. - Shohei Hiruta; Itaru Hosomi; Hirokazu Hasegawa; Hiroki Takakura (COMPSAC, 2023)

Bandwidth Allocation for Low-Latency Wireless Federated Learning: An Evolutionary Game Approach. - Shanshan Zhang; Yang Xu 012; Jia Liu 009; Hiroki Takakura; Lyu Chen; Norio Shiratori (ICC, 2023)

Double-Sided Auction based Data-Energy Trading Architecture in Internet of Vehicles. - Honggang He; Yang Xu 012; Jia Liu 009; Hiroki Takakura; Zhao Li 005; Norio Shiratori (WCNC, 2023)

Activities of National Institute of Informatics in Japan. - Masaru Kitsuregawa; Shigeo Urushidani; Kazutsuna Yamaji; Hiroki Takakura; Ichiro Hasuo; Imari Sato; Fuyuki Ishikawa; Isao Echizen; Kensaku Mori (Commun. ACM, 2023)

Multi-Armed Bandit-Based Secure Routing in Air-Ground Integrated Networks. - Xiaoyuan Liu; Yang Xu 012; Jia Liu 009; Hiroki Takakura; Xiaoying Liu 001; Kechen Zheng; Norio Shiratori (WCNC, 2024)

Generative AI-based closed-loop fMRI system. - Mikihiro Kasahara; Taiki Oka; Vincent Taschereau-Dumouchel; Mitsuo Kawato; Hiroki Takakura; Aurelio Cortese (CoRR, 2024)

Editor's Message to Special Issue of "Young Researchers' Papers". - Hiroki Takakura (J. Inf. Process., 2024)

Sleeping Multi-Armed Bandit-Based Path Selection in Space-Ground Semantic Communication Networks. - Hanlu Wu; Yang Xu 012; Shouxin Cao; Jia Liu 009; Hiroki Takakura; Norio Shiratori (WCNC, 2025)