Koji Okamura

Publication Activity (10 Years)

Years Active: 2000-2022
Publications (10 Years): 30

Top Topics

Newspaper Articles

Sentiment Analysis

Top Venues

J. Inf. Process.

Publications

Piyush Ghasiya, Koji Okamura
A Hybrid Approach to Analyze Cybersecurity News Articles by Utilizing Information Extraction & Sentiment Analysis Methods. Int. J. Semantic Comput. 16 (1) (2022)
Motoyuki Ohmori, Naoki Miyata, Koji Okamura
AXARPSC: Scalable ARP Snooping Using Policy-based Mirroring of Core Switches with ARP Log Contraction. J. Inf. Process. 29 (2021)
Piyush Ghasiya, Koji Okamura
Understanding the Middle East through the eyes of Japan's Newspapers: A topic modelling and sentiment analysis approach. Digit. Scholarsh. Humanit. 36 (4) (2021)
Piyush Ghasiya, Koji Okamura
Investigating Cybersecurity News Articles by Applying Topic Modeling Method. ICOIN (2021)
Piyush Ghasiya, Koji Okamura
Investigating COVID-19 News Across Four Nations: A Topic Modeling and Sentiment Analysis Approach. IEEE Access 9 (2021)
Motoyuki Ohmori, Koji Okamura
The Equal Deepest Vertex First Reboot: Rebooting Network Edge Switches in a Campus Network. J. Inf. Process. 28 (2020)
Sanouphab Phomkeona, Koji Okamura
Zero-day Malicious Email Investigation and Detection Using Features with Deep-learning Approach. J. Inf. Process. 28 (2020)
Geeta Yadav, Kolin Paul, Alaa M. Allakany, Koji Okamura
IoT-PEN: A Penetration Testing Framework for IoT. ICOIN (2020)
Piyush Ghasiya, Koji Okamura
Comparative Analysis of Japan and the US Cybersecurity Related Newspaper Articles: A Content and Sentiment Analysis Approach. AINA (2020)
Alaa M. Allakany, Geeta Yadav, Kolin Paul, Koji Okamura
Detection and Mitigation of LFA Attack in SDN-IoT Network. AINA Workshops (2020)
Geeta Yadav, Kolin Paul, Alaa M. Allakany, Koji Okamura
IoT-PEN: An E2E Penetration Testing Framework for IoT. J. Inf. Process. 28 (2020)
Ariel Rodríguez, Koji Okamura
Cybersecurity Text Data Classification and Optimization for CTI Systems. AINA Workshops (2020)
Kosuke Kaneko, Toshie Igarashi, Kosetsu Kayama, Takuya Takeuchi, Takuya Suzuki, Atsushi Kawase, Tomoyuki Sunaga, Masayuki Okuhara, Koji Okamura
Learning Analytics with Multi-faced Data for Cybersecurity Education. IIAI-AAI (2020)
Yiyi Wang, Koji Okamura
Implementation and Evaluation on Automated E-Learning Contents Creation Based on Natural Language Processing Techniques. AINA Workshops (2020)
Ariel Rodríguez, Koji Okamura
Enhancing data quality in real-time threat intelligence systems using machine learning. Soc. Netw. Anal. Min. 10 (1) (2020)
Ariel Rodríguez, Koji Okamura
Social Media Data Mining for Proactive Cyber Defense. J. Inf. Process. 28 (2020)
Yiyi Wang, Koji Okamura
Automatic Generation of E-Learning Contents Based on Deep Learning and Natural Language Processing Techniques. EIDWT (2020)
Geeta Yadav, Alaa M. Allakany, Vijay Kumar, Kolin Paul, Koji Okamura
Penetration Testing Framework for IoT. IIAI-AAI (2019)
Kazuichi Oe, Takeshi Nanri, Koji Okamura
Hybrid Storage System Consisting of Cache Drive and Multi-Tier SSD for Improved IO Access when IO is Concentrated. IEICE Trans. Inf. Syst. (9) (2019)
Yiyi Wang, Alaa M. Allakany, Srishti Kulshrestha, Wei Shi, Ranjan Bose, Koji Okamura
Automatically Generate E-Learning Quizzes from IoT Security Ontology. IIAI-AAI (2019)
Ariel Rodríguez, Koji Okamura
Generating Real Time Cyber Situational Awareness Information Through Social Media Data Mining. COMPSAC (2) (2019)
Hiroyuki Ohsaki, Yasuo Okabe, Koji Okamura
Message from the IWFIT 2018 Workshop Organizers. COMPSAC (2) (2018)
Chengming Li, Shimin Gong, Xiaojie Wang, Lei Wang, Qingshan Jiang, Koji Okamura
Secure and Efficient Content Distribution in Crowdsourced Vehicular Content-Centric Networking. IEEE Access 6 (2018)
Kento Kono, Sanouphab Phomkeona, Koji Okamura
An Unknown Malware Detection Using Execution Registry Access. COMPSAC (2) (2018)
Alaa M. Allakany, Koji Okamura
Latency Monitoring in Software-Defined Networks. CFI (2017)
Yoshitatsu Ban, Koji Okamura, Kosuke Kaneko
Effectiveness of Experiential Learning for Keeping Knowledge Retention in IoT Security Education. IIAI-AAI (2017)
N. M. Sahri, Koji Okamura
Protecting DNS services from IP spoofing: SDN collaborative authentication approach. CFI (2016)
N. M. Sahri, Koji Okamura
Collaborative Spoofing Detection and Mitigation - SDN Based Looping Authentication for DNS Services. COMPSAC Workshops (2016)
Kazuichi Oe, Takeshi Nanri, Koji Okamura
Analysis of Storage Workloads of Input-Output Access Locality and Designing of Hybrid Storage System. IIAI-AAI (2016)
Kazuichi Oe, Takeshi Nanri, Koji Okamura
Feasibility Study for Building Hybrid Storage System Consisting of Non-volatile DIMM and SSD. CANDAR (2016)
Kazuichi Oe, Takeshi Nanri, Koji Okamura
On-the-Fly Automated Storage Tiering with Caching and both Proactive and Observational Migration. CANDAR (2015)
Chengming Li, Wenjing Liu, Lei Wang, Mingchu Li, Koji Okamura
Energy-efficient quality of service aware forwarding scheme for Content-Centric Networking. J. Netw. Comput. Appl. 58 (2015)
Kazuichi Oe, Koji Okamura
A Hybrid Storage System Composed of On-the-Fly Automated Storage Tiering (OTF-AST) and Caching. CANDAR (2014)
A. A. Alaa Mohammed, Koji Okamura
Distributed GA for popularity based partial cache management in ICN. CFI (2014)
Zhaolong Ning, Qingyang Song, Lei Guo, Koji Okamura
Social-oriented adaptive transmission in wireless ad hoc networks. ICC (2014)
N. M. Sahri, Koji Okamura
Fast failover mechanism for software defined networking: OpenFlow based. CFI (2014)
Othman M. M. Othman, Koji Okamura
Hybrid Control Model for Flow-Based Networks. COMPSAC Workshops (2013)
Chengming Li, Koji Okamura, Wenjing Liu
Ant Colony Based Forwarding Method for Content-Centric Networking. AINA Workshops (2013)
Othman M. M. Othman, Koji Okamura
Enhancing Control Model to Ease Off Centralized Control of Flow-Based SDNs. COMPSAC (2013)
Ilkwon Cho, Koji Okamura, Tae Wan Kim, Choong Seon Hong
Performance analysis of IP mobility with multiple care-of addresses in heterogeneous wireless networks. Wirel. Networks 19 (6) (2013)
Othman M. M. Othman, Koji Okamura
On Demand Content Anycasting to Enhance Content Server Using P2P Network. IEICE Trans. Inf. Syst. (2) (2012)
Heru Sukoco, Koji Okamura
Grouping packet scheduling for virtual networks by genetic algorithm. CFI (2011)
Motoyuki Ohmori, Koji Okamura
Implementation of Green Wireless LAN System by on-demand power supply. ICOIN (2011)
Joon-Suk Kang, Koji Okamura
Mobility support through locator/ID split architecture. ICOIN (2011)
Othman M. M. Othman, Koji Okamura
Design and implementation of application based routing using OpenFlow. CFI (2010)
Sunglim Lee, Koji Okamura, Eunho Yang
Tele-conference using advanced tool on future IP. ICOIN (2009)
Cho Il Kwon, Koji Okamura
Analysis and Study of IP Telephony Traffic Characteristics over Next Generation Network with NGN Carrier's Case Study. J. Inf. Process. 17 (2009)
Cho Il Kwon, Koji Okamura
A centralized resource and admission control scheme for NGN core networks. ICOIN (2009)
Sunglim Lee, Koji Okamura, Junghun Lee
Medical Application of Internet Based Multipoint Tele-Conference Technology. CISIS (2009)
Joon-Suk Kang, Motoyuki Ohmori, Koji Okamura
A Proposal to Enhance and Control Continuous Communications in Proxy Mobile IPv6. AINA (2009)
Jaehyuk Ryu, Koji Okamura
Experimental Evaluation of Usage Pattern in Campus Mobile IP Network. ICDCS Workshops (2008)
Sunglim Lee, Koji Okamura, Eunho Yang
The Bandwidth Feasibility Test Method for Ubiquitous Teleconference on Future Internet. ISPA (2008)
Jin Ho Kim, Choong Seon Hong, Koji Okamura
A Routing Scheme for Supporting Network Mobility of Sensor Network Based on 6LoWPAN. APNOMS (2007)
Jumpei Arata, Hiroki Takahashi, Phongsaen Pitakwatchara, Shin'ichi Warisawa, Kazuo Tanoue, Kozo Konishi, Satoshi Ieiri, Shuji Shimizu, Naoki Nakashima, Koji Okamura, Yuichi Fujino, Yukihiro Ueda, Pornarong Chotiwan, Mamoru Mitsuishi, Makoto Hashizume
A remote surgery experiment between Japan and Thailand over Internet using a low latency CODEC system. ICRA (2007)
Yasuichi Kitamura, Youngseok Lee, Ryo Sakiyama, Koji Okamura
Experience with Restoration of Asia Pacific Network Failures from Taiwan Earthquake. IEICE Trans. Commun. (11) (2007)
Jumpei Arata, Hiroki Takahashi, Phongsaen Pitakwatchara, Shin'ichi Warisawa, Kozo Konishi, Kazuo Tanoue, Satoshi Ieiri, Shuji Shimizu, Naoki Nakashima, Koji Okamura, Young Soo Kim, Sungmin Kim, Joon-Soo Hahm, Makoto Hashizume, Mamoru Mitsuishi
A Remote Surgery Experiment between Japan-Korea using the Minimally Invasive Surgical System. ICRA (2006)
Yoshiaki Harada, Koji Okamura, Takashi Chiyonobu, Youngseok Lee
Analyzing Correlation Between Flow Data and AS Paths in BGP Routing. ISPA Workshops (2006)
Naoki Nakashima, Koji Okamura, Joon-Soo Hahm, Young-Woo Kim, Hiroshi Mizushima, Haruyuki Tatsumi, Byung-In Moon, Ho-Seong Han, Yong-Jin Park, Jae-Hwa Lee, Sung-Kwan Youm, Chul-Hee Kang, Shuji Shimizu
Telemedicine with Digital Video Transport System in Asia-Pacific Area. AINA (2005)
Chi Hyung In, Choong Seon Hong, Koji Okamura
An Enhanced SOS Architecture for DDoS Attack Defense Using Active Network Technology. AICT/SAPIR/ELETE (2005)
Kazuhisa Nakagawa, Koji Okamura
The Advanced International Case Study Using High Speed Internet. AINA (2005)
Kentaro Ishizu, Koji Okamura, Masahiro Kuroda, K. Kamura
SSTP: an 802.1s extension to support scalable spanning tree for mobile metropolitan area network. GLOBECOM (2004)
Masayuki Tabaru, Koji Okamura, Seomee Choi, Jaehyuk Ryu, Dae Young Kim
Design of ABEL Route Recording System Base on BGP for Network Management and Application Software. ICOIN (2004)
Toshiyuki Kawasaki, Koji Okamura
Evaluation on Scalability of Conference System using Request-Routing. AINA (1) (2004)
Yoshikazu Watanabe, Koji Okamura, Keijiro Araki
Study on Merge of Overlapped TCP Traffic Using Reliable Multicast Transport. ICOIN (2003)
Akira Hiyamizu, Koji Okamura, Masatoshi Arikawa
Internet Camera Selections in Response to Location-Based Requests from Multiple Users. ICOIN (2003)
Kensuke Shibata, Koji Okamura, Keijiro Araki
Design and Evaluation of Dynamic Protocol Selection Architecture for Reliable Multicast. SAINT (2002)
Kentaro Takei, Koji Okamura, Keijiro Araki
Design of Gateway System between Different Signalling Protocols of the Multimedia Session on the Internet. ICOIN (2001)
Motoyuki Ohmori, Koji Okamura, Keijiro Araki
Design of Scalable Interdomain IP Multicast Architecture. ICOIN (2001)
Masataka Sonoda, Koji Okamura, Keijiro Araki
Design of General Reliable Multicast Architecture with Active Network Framework. ICOIN (2001)
Michihiro Murao, Masatoshi Arikawa, Koji Okamura
Networked Augmented Spatial Hypermedia System on Internet. VDB (2000)
Masatoshi Arikawa, Koji Okamura
Spatial Media Fusion Project. Kyoto International Conference on Digital Libraries (2000)