Refereed Journal Papers (SCI / SCIE Indexed)
K, H. Y. Park, B. Y. Sohn and Y. T. shin, "Safe Authentication Method for Security Communication in Ubiquitous Environment," ICCSA2005(Lecture Notes in Computer Science), pp. 442~448, May 5~7, Singapore, 2005.
Hoon Ko, Goreti Marreiros, Sang Heon Kim, Carlos Ramos, and Tai Hoon Kim, “A study on Security Grade Assignment Model for Mobile users in Urban Computing,” INFORMATION JOURNAL, Vol. 16, No.1(B), pp.581-586, 2013. (ISSN:1343-4500, IF: 0.358)
Hoon Ko, Goreti Marreiros, Kyung-jin An, Zita Vale, Tai hoon Kim, and Jong Myoung Choi, "A Study on Dynamic State Information (DSI) around Users for Safe Urban Life," Computers and Mathematics with Applications, Vol. 63, Issue 2, pp. 554-563, January 2012. (ISSN: 0898-1221, IF:1.531)
Jeong Seok Oh, Hyo Jung Bang, and Hoon Ko, “An Empirical Study on Smart Safety Management Architecture for Gas Facilities in Korea,” INFORMATION JOURNAL, Vol. 15, No. 3, pp.1107-1122, March 2012. (ISSN: 1343-4500, IF: 0.358)
KyungJin An, MiyKyu Choi and Hoon Ko, “Utilisation of Photo-Montage Technique for UK Planning Process,” INFORMATION JOURNAL, Vol.15, No.11 (B), pp.4785-4796, 2012. (ISSN: 1343-4500, IF: 0.358)
MinKyu Choi, Rosslin John Robles, Goreti Marreiros, Zita Vale, Carlos Ramos and Hoon Ko, “The Cross Crypto Scheme Cipher Integration for Securing SCADA Component Communication,” INFORMATION JOURNAL, Vol.16, No.3(B), pp.3189-3194, March, 2013. (ISSN:1343-4500, IF: 0.358)
MinKyu Choi, Rosslin John Robles, Zita Vale, Carlos Ramos, Hoon Ko and Goreti Marreiros, " Utilization of Different Encryption Schemes for Securing SCADA Component Communication," INFORMATION JOURNAL, Vol.16, No.2(B), pp.1503-1508, February 2013. (ISSN:1343-4500, IF: 0.358)
Hoon Ko, Goreti Marreiros, Hugo Morais, Zita Vale and Carlos Ramos, “Intelligent Supervisory Control System for Home Devices using a Cyber Physical Approach,” INTEGRATED COMPUTER-AIDED ENGINEERING, Vol. 19, No. 1, pp. 67-79, 2012. (ISSN:1069-2509, IF: 5.264)
Jongsun Choi, Jaeyoung Choi, Hoon Ko, Kitae Bae, KyungJin An, Choong Sik Kim, and Jongmyung Choi, “A Smart Service Robot Middleware on Ubiquitous Network Environments,” Intelligent Automation and Soft Journal, Vol. 20, No. 1, pp. 1-13, 2014. (ISSN: 1079-8587, IF: 0.644)
Hoon Ko, Kitae Bae, Sang Heon Kim and Kyung Jin An, “A Study on the Security Algorithm for Contexts in Smart Cities,” International Journal of Distributed Sensor Networks, Vol. 2014, pp. 1-8, 2014. (ISSN: 1550-1329, IF: 1.239)
Hoon Ko, Kitae Bae, Jongsun Choi, Sang Heon Kim and Jongmyung Choi, “Similarity Recognition using context-based pattern for Cyber-Society,” Soft Computing, Vol. 20, Issue 11, pp. 4565-4573, November, 2016. (ISSN: 1432-7643, IF: 2.784)
Hoon Ko and Moonbae Song, "A Study on the Secure User Profiling Structure and Procedure for Home Healthcare Systems," Journal of Medical Systems, Vol. 40, No. 1, pp. 1-9, January, 2016. (SCIE, ISSN: 0148-5598, IF: 2.414)
Joonho Choi, Chang Choi, Hoon Ko and Pankoo Kim, “Intelligent Smart Healthcare Service using Health Lifelog Analysis,” Journal of Medical Systems, Vol. 40, No. 188, pp. 1-9, 2016. (SCIE, ISSN: 0148-5598, IF: 2.456)
Mahdi Daghmehchi Firoozjaei, Jaehoon (Paul) Jeong, Hoon Ko, Hyoungshick Kim, “Security Challenges with Network Functions Virtualization,” FUTURE GENERATION COMPUTER SYSTEMS, Vol. 67, pp. 315-324, February 2017. (SCIE, ISSN: 0167-739X, IF: 6.125)
Joong Hwan Lee, Jae Woo Seo, Hoon Ko and Hyoungshick Kim, “TARD: Temporary Access Rights Delegation for Guest Network Devices,” Journal of Computer and System Sciences, Vol. 86, pp. 59-69, June 2017. (SCI, ISSN: 0022-0000, IF: 1.678)
Song Ko, Hyunki Lim, Hoon Ko and Dae-Won Kim, “Experimental Comparisons with Respect to the Usage of the Promising Relations in EDA–based Causal Discovery,” Annals of Operations Research, Vol. 265, No. 2, pp. 241-255, June, 2018. (SCI, ISSN: 0254-5330, IF: 1.709)
Jeongkun Park, Seunggye Hwang, Janghoon Yang, Kitae Bae, Hoon Ko, and Dong Ku Kim, “Generalized Distributed Compressive Sensing with Security for Linearly Correlated information Sources,” Concurrency and Computation-Practice and Experience, Vol. 30, Issue. 3, pp. 1-12. February, 2018. (SCIE, ISSN: 1532-0626, IF: 1.133, DOI:10.1002/cpe.4233)
Saraswathi Sivamani, Jongsun Choi, Kitae Bae, Hoon Ko, and Yongyun Cho, “A Smart Service Model in Greenhouse Environment Using Event-based Security Based on Wireless Sensor Network,” Concurrency and Computation-Practice and Experience, Vol. 30, No. 2, pp.1-11, August, 2017. (SCIE, ISSN: 1532-0626, IF: 1.133, DOI:10.1002/cpe.4240)
Hoon Ko, Libor Mesicek, Jongsun Choi and Seogchan Hwang, “A Study on Secure Medical-Contents Strategies with DRM Based on Cloud Computing,” Journal of Healthcare Engineering, Volume 2018, Article ID 6410180, 7 pages, April, 2018. (ISSN: 2040-2295, IF: 0.965).
Marek R. Ogiela, and Hoon Ko, "Cognitive systems and operations research in big data and cloud computing," Annals of Operations Research, pp. 1-4, June 2018 (SCI, ISSN: 0254-5330, IF: 1.709)
Marek Ogiela and Hoon Ko, “Bio-inspired and Cognitive approaches in cryptography and security applications,” Concurrency and Computation-Practice and Experience, Vol. 30, No. 2, January, 2018. (SCIE, ISSN: 1532-0626, IF: 1.133), Article.ID: CPE4385, DOI:10.1002/cpe.4385)
Hoon Ko, Seogchan Hwang, Libor Mesicek, Jongsun Choi, Junho Choi, and Pankoo Kim, "A Study on Context-Relationship with Context-Attributes for a Smart Service Generation in Smart City," Journal of Universal Computer Science, Vol. 24, No. 3, pp. 249-260, June 2018. (SCIE, ISSN: 0948-695x, IF: 0.566)
Hoon Ko, Sangheon Kim, Libor Mesicek, Jong Youl Hong, and In Seop Na, "Human-Machine Interaction: A Case Study on Fake News Detection using a backtracking based on a cognitive system," Cognitive Systems Research, Vol. 55, pp. 77-81, June 2019. (SCIE / SSCI, ISSN: 1389-0417, IF:1.384, Springer)
Hoon Ko, Sung Bum Pan, and Libor Mesicek, "Personal Identification Study for Touchable devices with ECG," Concurrency and Computation-Practice and Experience, Vol. 32, Issue 8, pp. 1-8, April 2019. (SCIE On-line: 1532-0634 / Off-line: 1532-0626, IF: 1.114, Wiley)
Hoon Ko, Marek Ogiela, Lidia Ogiela, Libor Mesicek, Myoungwon Lee, Junho Choi and Pankoo Kim, “ECG based Advanced Personal Identification Study with Adjusted (Qi∗Si),” IEEE Access, Vol. 7, Issue. 7, pp. 40078-40084, April 2019 (SCIE, 2169-3536, IF: 4.098, Springer, JCR:16%).
Yoosang Park, Jaehyung Ye, Jongsun Choi, Jaeyoung Choi, and Hoon Ko, “Extraction of Abstracted Sensory Data to Reduce the Execution Time of Context-Aware Services in Wearable Computing Environments,” Concurrency and Computation-Practice and Experience, Vol. 32, No. 18, pp. 1-10, September 2020. (SCIE, On-line: 1532-0634 / Off-line: 1532-0626, IF: 1.447 Wiley).
Hoon Ko, and Goreti Marreiros, “(Editorial) Smart Media & Application,” Concurrency and Computation-Practice and Experience, Vol. 33, No. 2, pp. 1-2. (SCIE, On-line: 1532-0634 / Off-line: 1532-0626, IF: 1.114, Wiley).
Jong Youl Hong, Hoon Ko, Libor Mesicek, and Moonbae Song, “Cultural Intelligence as an education contents: Exploring he pedagogical aspects of effective functioning in higher education,” Concurrency and Computation-Practice and Experience, Vol. 33, Issue 2. pp. 1-10, January 2021. (SCIE, On-line: 1532-0634 / Off-line: 1532-0626, IF: 1.447, Wiley).
Hyo-Joon Kim, Sang-Hee Jeong, Ji-Hyeon Seo, In-Seok Park, Hoon Ko, and Seong-Yong Moon, “Augmented Reality for Botulinum Toxin Injection,” Concurrency and Computation-Practice and Experience, Vol. 32, No. 18, pp. 1-7, September 2020 (SCIE, On-line: 1532-0634 / Off-line: 1532-0626, IF: 1.447, Wiley, DOI:10.1002/cpe.5526)
Hoon Ko, Libor Mesicek, Jong Youl Hong, Soon Sim Yeo, Sung Bum Pans, and Pankoo Kim, “Blog Reliability Analysis with conflicting interests of contexts in the extended branch for Cyber Security,” IEEE Access, Vol. 7, pp. 143693-143698, September 2019. (SCIE, 2169-3536, IF: 4.098, JCR:16%).
Heesoo Choi, Hoon Ko, Jong Youl Hong, Sangheon Kim, "A Study on Experience Contents of Baekje Muryeong Royal Tomb using Virtual Reality," Journal of Ambient Intelligence and Humanized Computing, vol. x, no. x, pp. 1-8, September 2019 (SCIE, OFF:1868-5137, ON: 1868-5145, IF: 7.104, Springer).
Tae-Yeun Kim, Hoon Ko, and Sung-Hwan Kim, “Data Analysis for Emotion Classification based on Bio-Information in Self-Driving Vehicles,” Journal of Advanced Transportation, vol. 2020, Article ID. 8167295, pp. 1-11, January 2020. (SCIE, ISSN: 0197-6729 / E-ISSN: 2042-3195, IF: 1.102, Hindawi)
Lidia Ogiela, Marek R. Ogiela, and Hoon Ko, "Intelligent data management and security in cloud computing," SENSORS, Vol. 20, No. 12, 2020. (SCIE, ISSN: 1424-8220, IF: 3.031, MDPI) https://doi.org/10.3390/s20123458
Hoon Ko, Jong Hyuk Kim, Kyungjin An, Libor Mesicek, Goreti Marreiros, Sung Bum Pan, Pankoo Kim, “Smart Home Energy Strategy based on Human Behaviour Patterns for Transformative computing,” Information Processing & Management, Vol. 57, Issue. 5, September 2020 (SSCI/SCIE, Off: 0306-4573, On: 1873-5371, IF: 3.892, ELSEVIER).
Tae-Yeun Kim, Sung-Hwan Kim, and Hoon Ko, "Design and Implementation of BCI-Based Intelligent Upper Limb Rehabilitation Robot System," ACM Transactions on Internet Technology, Vol. 21, Issue. 3, June 2021 (SCIE, ISSN: 1533-5399 / E-ISSN: 1557-6051, IF:2.382). https://doi.org/10.1145/3392115
Seongeong Wan Park, Libor Mesicek, Joohyun Shin, Kitae Bae, Kyungjin An, Hoon Ko, “Customizing Intelligent Recommendation Study with multiple advisors based on Fuzzy-AHP,” Concurrency and Computation-Practice and Experience, Vol. 33, No. 23, September 2020 (SCIE, On-line: 1532-0634 / Off-line: 1532-0626, IF: 1.447, Wiley). https://doi.org/10.1002/cpe.5930
AK Singh, A Anand, Z Lv, H Ko, T Baker, A Mohan, “A survey on healthcare data: A Security perspectives,” ACM Transactions on Multimedia Computing Communications and Applications, Vol. 17, No. 2s, pp. 1-26, May, 2021 (SCIE, ISSN: 1551-6857, e-ISSN: 1551-6865, IF: 2.87). https://dl.acm.org/doi/10.1145/3422816.
Gyu Ho Choi, Hoon Ko, Witold Pedrycz, Amit Kumar Singh, and Sung Bum Pan, “Recognition System Using Fussion Normalization Based on Morphological Features of Post-Exercise ECG for Intelligent Biometrics,” SENSORS, Vol. 20, Issue. 24, December,2020 (SCIE, 1424-8220, IF: 3.275). https://doi.org/10.3390/s20247130
Amit K. Singh, Xuan Liu, Haoxiang Wang, Hoon Ko, “(Editorial) Recent advances in multimedia security and information hiding,” Transactions on Emerging Telecommunications Technologies, Vol 32, Issue. 2, February 2021 (SCIE, ISSN: 2161-3915, IF: 1.258, Wiley). https://onlinelibrary.wiley.com/doi/10.1002/ett.4193
Minho Lee, Libor Mesicek, Kitae Bae, and Hoon Ko, “AI Advisor Platform for disaster response based on Big Data,” Concurrency and Computation-Practice and Experience, Vol. 35, Issue 16. E6215, July. 2023 (SCIE, On-line: 1532-0634 / Offline: 1532-0626, IF: 1.447, Wiley).
MoungHo Yi, MyungJin Lim, Hoon Ko, and Juhyun Shin, “Method of Profanity Detection using Word Embedding and LSTM,” Mobile Information Systems, Vol. 2021, Article ID: 6654029, Feb. 2021 (SCIE, ISSN: 1574-017X, e-ISSN: 1875-905X, IF: 1.508, Hindawi).
Hoon Ko and Isabel Praca, “Design a Secure Energy Trading Model based on a Blockchain,” Sustainability, Vol. 13, No. 4, pp. 1-11, February 2, 2021 (SCIE/SSCI, ISSN: 2071-1050, IF: 2.576, MDPI).
Amit Singh, OP Singh, Chandan Sharma, MP Sharma, Hoon Ko, “Fuzzy based secure exchange of digital data using watermarking in NSCT-RDWT-SVD domain,” Concurrency and Computation-Practice and Experience, Vol. 35, No. 16, e6251, March, 2021 (SCIE, On-line: 1532-0634 / Off-line: 1532-0626, IF: 1.447, Wiley).
Vinay Arora, Sunil Kumar Mahla, Rohan Singh Leekha, Amit Dhir, Kyungroul Lee, and Hoon Ko, “Intervention of Artificial Neural Network with an improved activation function to predict the performance and emission characteristics of a biogas powered dual fuel engine,” Electronics, Vol. 10, No. 5, March 2021 (SCIE, ISSN: 2079-9292, IF: 2.110). https://doi.org/10.3390/electronics10050584
Tae-Yeun Kim, Hoon Ko, Sung-Hwan Kim, Ho-Da Kim, “Modeling of Recommendation System based on Emotional Information and Collaborative Filtering,” SENSORS, Vol. 21, Issue. 6, March 2021 (SCIE, 1424-8220, IF: 3.275). https://doi.org/10.3390/s21061997
Kwang Cheol Rim, Pankoo Kim, and Hoon Ko, “Gradient Descent for Quadratic Functions Using Geometric Mean and the Kai Fang Method,” Concurrency and Computation-Practice and Experience, Vol. 35, Issue 16. E6605, September. 2021 (SCIE, On-line: 1532-0634 / Off-line: 1532-0626, IF: 1.447, Wiley).
Amit Kumar Singh, Zhihan Lv, Hoon Ko, “(Editorial) Introduction to the Special Issue on Recent Trends in Medical Data Security for e-Health Applications,” ACM Transactions on Multimedia Computing Communications and Applications, Vol. 17, No. 2s, pp. 1-3, 2021. (SCIE, ISSN: 1551-6857/ e-ISSN: 1551-6865, IF: 2.87.) https://dl.acm.org/doi/10.1145/3459601
Hoon Ko, Kwang Cheol Rim, and Isabel Praca, "Influence of Features on Accuracy of Anomaly Detection for Energy Trading System," SENSORS, Vol. 21, No. 21, June 21, 2021.
Kwang-Cheol Rim, Kitae Bae, Pankoo Kim, Hoon Ko, and Tae-Gyun Kwon, “Restoration of dimensions for ancient drawing recognition,” Electronics, Vol. 10, No. 18, pp. 1-10, September 15, 2021 (SCIE, ISSN: 2079-9292, IF: 2.110).
Saravana Kumar Venkatesan, Jonghyun Lim, Hoon Ko and Yongyun Cho, "A novel machine learning based model for energy usage peak prediction in smart farms," Electronics, Vol. 11, No. 2, Jan. 2022. (SCIE, ISSN: 2079-9292, IF: 2.11, MDPI) https://doi.org/10.3390/electronics11020218
Aslan, Hoon Ko and Chang Choi, “Classification of vertices on social networks by multiple approaches,” Mathematical Biosciences and Engineering, Vol. 19, Issue 12, pp. 12146-12159 (SCIE: 1551-0018, IF: 2.194). https://www.simspress.com/article/doi/10_3934/mbe_2022565
Hoon Ko, Kwang-Cheol Rim, and Jong Youl Hong, “Bio-metric authentication with ECG by considering variable signals,” Mathematical Biosciences and Engineering, Vol. 20. Issue 2, pp. 1716-1729, 2022. (SCIE: 1551-0018, IF: 2.194). https://www.aimspress.com/article/doi/10.3934/mbe.2023078
Hoon Ko, Isabel Praca, and Seong Gon Choi, "Anomaly Signal Analysis based on correlation of features in graph neural network," Multimedia Tools and Applications, (SCIE, 1380-7501/1573-7721, IF: 2.577) 2023. 8. https://doi.org/10.1007/s11042-023-15635-z
J. H. Kim, Y. Moon, and Hoon Ko, "Correlation-Based Advanced Feature Analysis for Wireless Sensor Networks," Journal of Supercomputing, (SCIE: 1573-0484/0920-8542, IF: 3.3), 2023.12. https://doi.org/10.1007/s11227-023-05739-6.
Hoon Ko, Juhee Oh, Sung Uk Kim, "Digital Contents Management using Non-fungible Tokens and the Interplanetary File System," Applied Sciences, Vol. 14, Issue. 1, (SCIE: 2076-3417, IF: 2.7), 2023.12, https://doi.org/10.3390/app14010315.
Hoon Ko and Marek R. Ogiela, "Security Strategy of Digital Medical Contents based on blockchain in generative AI model," CMC-Computers, Materials & Continua, Vol. 82, No.1, pp.259-278, 2025 (SCIE: 1546-2218 / 1546-2226, IF:1.7, Tech Science Press), 2025.01.03. https://doi.org/10.32604/cmc.2024.057257
Hoon Ko, Marek R. Ogiela, Libor Mesic, and Sangheon Kim, "Optimizing Network Intrusion Detection Performance with GNN-based Feature Selection," CMC-Computers, Materials & Continua, Vol. 82, No. 2, pp. 2985-2997, 2025 (SCIE: 1546-2218 / 1546-2226, IF: 1.7, Tech Science Press), 2025.09.08. https://doi.org/10.32604/cmc.2025.065885
Hoon Ko, Libor Mesicek, Marek R. Ogiela, and Yongyun Cho, "A Study on Vulnerability Analysis of Generative AI-Based Medical Digital Contents," Internet of Things, Vol. 34, pp. 101759, 2025 (SCIE: 2542-6605, IF: 7.6, Elsevier), 2025.09.12. https://doi.org/10.1016/j.iot.2025.101759
Jiho Choi, Young-Ae Jung, and Hoon Ko, “Comparative Analysis of SQL Injection Defense Mechanisms Based on Three Approaches: PDO, PVT, and ART,” Applied Sciences, Vol. 15, Issue. 23, (SCIE: 2076-3417, IF: 2.7, MDPI) 2025.11.21, https://doi.org/10.3390/app152312351
Joong-Hyun Park, Student01, Marek R. Ogiela, Libor Mesicek, and Hoon Ko, "An AI-Driven and Risk-Aware Digital Identity Protection Framework for Secure IoMT Environments," Computers, Materials & Continua(CMC), Vol. xx, No. xx, pp. xx-xx, 2026, (SCIE: 1546-2218 / 1546-2226, IF: 1.7, Tech Science Press)
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Refereed Journal Papers (SCOPUS / ESCI Indexed)
B. H. Kim, H. Ko and R. I. Tae, "A Study on Secure Group Transmission in Group Environment," ICIS2005 (IEEE Computer Society), pp. 136~143, Aug. 14~16, Jeju island, Korea, 2005.
H. K, U. J. Jang and S. H. Kim, "A Study on Safe Authentication Processing in IPv6 multicast," ICCMSE2005 (Lecture Series on Computer and Computational Sciences, VSP/Brill), Oct., pp. 1702~1705, Greece, 2005.
H. K and H I Kim, "A Study on Key Management in Wire/Wireless Distributed Group Environment," ICCMSE2006 (Lecture Series on Computer and Computational Sciences, VSP/Brill), Greece, 2006.
H. Ko and S. H. Kim, "One-way Authentication protocol to mobile node in MIPv6," International Conference on Convergence and Hybrid Information Technology 2008 (ICHIT2006, IEEE CS), pp. 160~165, Jeju island, Korea, November 9~11, 2006.
J. Y. Kim, J. J. Jung, H. Ko, S. S. Joe, Y. J. Lee and Y. S. Chang, "A Design of Authentication Protocol for Multi-Key RFID Tag," ASWAN2007(Lecture Notes in Computer Science), pp. 644~653, Hwangshan, China. June 16~18, 2007.
H. Ko, J. Y. Kim, J. J. Jung, S. S. Joe, Y. J. Lee and Y. S. Chang, "A Study on the RFID Tag Encryption using Fast SEED," ICCMSE2007 (AIP : American Institute of Physics), pp. 571~574, Corfu, Greece, September 25~30, 2007.
J. Y. Kim, J. J. Jung, H. Ko, S. S. Joe, Y. J. Lee and Y. S. Chang, "Multiple Object Based RFID System Using Security Level," ICCMSE2007 (AIP : American Institute of Physics), pp. 575~578, Corfu, Greece. September 25~30, 2007.
Hoon Ko, Jiyeon Kim, Jongjun Jung, Susan Joe, Yongjun Lee and Yunseok Chang, "A Study on the 128bits SEED algorithm to apply in RFID tag," 2007 International Conference on Convergence Information Technology 2007 (ICCIT2007, IEEE CS), pp. 406~411, Kyeongju, S. Korea, November 21~23, 2007.
Kyung-Sang Sung, Hoon Ko and Hae-Seok Oh, "XML Document Encrypt Implementation using Elliptic Curve Cryptosystem," 2007 International Conference on Convergence Information Technology 2007 (ICCIT2007, IEEE CS), pp. 2473~2478, Kyeongju, S. Korea, November 21~23, 2007.
Hoon Ko, Seonho Kim and Yongtae Shin ,”A Study on an Effective Group Management Scheme for Secure Multicast in MIPv6,” International Conference on Information Security and Assurance 2008 (ISA2008, IEEE CS), pp. 497~500, Hanwah Resort Heaundae, Busan, S. Korea, April, 24~26, 2008.
Hoon Ko, Yunseok Chang and Carlos Ramos, "A Study on the Encryption Algorithm for RFID tag (SEED: 8 Rounds × 64 bits block)," International Conference on Convergence and Hybrid Information Technology 2008 (ICHIT2008, IEEE CS), pp. 672~677, Daejeon, S. Korea, August 27-28, 2008.
Hoon Ko, Yunseok Chang and Carlos Ramos, "Tag Initiated Authentication Module for Fast and Efficient RFID Security," The Second International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies 2008 (UBICOMM2008, IEEE CS), pp. 362~366, Valencia, Spain, September 29~October 4, 2008.
Hoon Ko, Carlos Freitas, Goreti Marreiros and Carlos Ramos, "A Study on the Authentication Method for TAmI in Ambient Intelligence," International Conference on Convergence and Hybrid Information Technology 2008 (ICCIT2008, IEEE CS), pp. 374~379, Busan, S. Korea, November 11~13, 2008.
Hoon Ko, Ning Chen, Goreti Marreiros and Carlos Ramos, “Safe high accuracy Context-Aware Matrix (CAM) making based on X.509 proxy certificate,” ISA2009 (SHCI2009) (Lecture Notes in Computer Science), pp. 829~837, Korea University, Seoul, S. Korea, June 25~27, 2009.
Jongmyung Choi, Sangjoon Park, Hoon Ko, Hyun-Joo Moon, and Jongchan Lee, “Issues for Applying Instant Messaging to Smart Home Systems,” ICCSA2009 (Lecture Notes in Computer Science), pp. 649~691, Kyunghee University, Yongin, S. Korea, June 29~July 3, 2009.
Hoon Ko and Carlos Ramos, “A Study on Security Framework for Ambient Intelligent Environment,” InfoWare2009 (ICWMC2009) IEEE CS, pp. 23~29, Cannes, France, August 23~29, 2009.
Hoon Ko and Carlos Ramos, “A Study on Security Status Matrix (SSM) in Urban Computing,” ICITST2009 (IEEE CS), pp. 134~140, London, UK, November 9~12, 2009.
Hoon Ko, Jongmyung Choi and Carlos Ramos, "A Study on Secure Contents Using in Urban Computing," FGIT2009 (CCIS 58-0026), pp. 26~34, Jeju, S. Korea, December 9~12, 2009.
Hoon Ko, Carlos Freitas, Goreti Marreiros and Carlos Ramos, "A Study on Users Authentication Method for Safety Group Decision System in Dynamic Small Group," Journal of Convergence Information Technology (JCIT), Vol. 4, No. 4, pp. 68~76, January 2010.
Hoon Ko and Carlos Ramos, "A Survey of Context Classification for Intelligent Systems Research for Ambient Intelligence," Fourth International Workshop on Intelligent, Mobile and Internet Services in Ubiquitous Computing (IMIS2010, IEEE CS), pp. 746~751, Addrzej Frycz Modrzewski Cracow College, Krakow, Poland, February 15-18, 2010.
Hoon Ko and Carlos Ramos, "Safe Behaviors by Security Status Table (SST) in Urban Life," International Journal for Digital Society (IJDS), Vol. 1, Issue 3, pp. 203~212, September, 2010.
Hoon Ko, Jongmyung Choi, Maricel O. Balitanas, Tae-hoon Kim and Carlos Ramos, "A Study on Secure Contents Using in Intelligent Urban Computing," International Journal of Smart Homes (IJSH), Vol. 4, No. 2, pp. 39~48, April, 2010.
Hoon Ko, and Zita Vale, "Optimal intelligent Supervisory Control System in Cyber-Physical Intelligence," SecTech2010/FGIT2010 (LNCS/CCIS122), pp.171~178, Jeju, S. Korea, December 11-13, 2010.
Jeong-Hyo Park, Yong-Hoon Jung, Hoon Ko, Kwang-Hyung Lee, and Moon-Seog Jun, "A Privacy Technique for Providing Anonymity to Sensor Nodes in a Sensor Network," The 2nd International Conference Ubiquitous Computing and Multimedia Applications (UCMA2011, CCIS), pp.327-335, HNU, Daejeon, S. Korea, April 13-15, 2011.
Hoon Ko, Goreti Marreiros, Zita Vale and JongMyoung Choi, "A Study on Context Services Model with location privacy," 2011 International Workshop on Security and Cognitive Informatics for Homeland Defense (SeCIHD2011), pp.336-349, Vienna, Austria, August 22-26, 2011.
Hoon Ko, Goreti Marreiros, Kyung-jin An, Zita Vale, Taihoon Kim, and JongMyoung Choi, "Contexts-Management Strategy in considering the security in urban computing based on urban design," The Fifth International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing (IMIS-2011), pp.65-72, Korean Bible University (KBU), Seoul, Korea, June 30 - July 2, 2011.
Seung Jae Jang, Yong Gu Lee, Hoon Ko, Moon-Seog Jun, "Study on Group Key Agreement using Two-Dimensional Array in Sensor Network Environment," The 2nd International Conference Ubiquitous Computing and Multimedia Applications (UCMA2011, CCIS), Daejeon, Korea, April 13-15, pp. 336-349, 2011.
Minkyu Choi, Goreti Marreiros, Myunggwon Hwang, Zita Vale and Hoon Ko, “Secure Contents Design / Implement of Smart Home Management System in OISCS,” Lecture Notes in Computer Science (Intelligent Urban Computing 2012), LNCS7709, pp.216-223, Dec. 16-19, K. Woman Training Center, Kangwondo, Korea.
Myunggwon Hwang, Do-Heon Jeong, Jinhyung Kim, Sa-Kwang Song, Hoon Ko and Hanmin Jung, “Horizontal Search Method for Wikipedia Category Grouping,” 2012 IEEE International Conference on Green Computing and Communications, Conference on Internet of Things, and Conference on Cyber, Physical and Social Computing, pp717-721, November 20-23, 2012, Besançon, France.
Kyung Jin An and Hoon Ko, “Environmental Impact Assessment and Photomontages,” Communications in Computer and Information Science (Intelligent Urban Computing 2012), CCIS353, pp.360-368, Dec. 16-19, K. Woman Training Center, Kangwondo, Korea.
Hoon Ko and Kyungjin An, “Analysis on Smart Warning System for Home Network in Smart Grid.” The Seventh International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing (IMIS-2013), pp.714-718, July 3-5, Asia University, Taichung, Taiwan, 2013.
Hoon Ko, Goreti Marreiros and Jongmyung Choi, “A Study on a Centralized Peer-to-Peer Architecture for Follow-me Services,” International Journal of Multimedia and Ubiquitous Engineering, Vol.8, No.2, pp.13-22, 2013.
Seongjin Kim, Hangkon Kim, Hoon Ko and Hyun Yoe, “Design and Implementation of Android-based Livestock Disease Forecasting System using Thermal Image,” International Journal of Smart Home, Vol.7, No.6, pp.305-312, 2013.
Ki-tae Bae, Libor Mesicek and Hoon Ko, "A Study on an Effective Feature Selection Method Using Hog-Family Feature for Human Detection," International Journal of Multimedia and Ubiquitous Engineering, Vol.9, No.12 (2014), pp.203-215, (SCOPUS: 1975-0080).
Choong-Sik Kim, Hoon Ko and Kyungjin An, “Development of 3D Visibility Analysis Models Implementing NURBS data,” International Journal of Smart Home, Vol.9, No.1 (2015), pp.151-160 (SCOPUS: 1975-4094).
Kyungjin An, Hoon Ko, and Choongsik Kim, “Development and Implementation of Visual Exposure Indicator for Residential Development,” International Journal of Smart Home, Vol.9, No.2, pp.1-10, 2015 (SCOPUS: 1975-4094).
Donggye Kwak, Jongsun Choi, Hoon Ko and Jaeyoung Choi, “Design on the BPEL Engine Generator for adding New Functions,” Human-Computer Interface and its Applications in Analytics 2015 (LNCS), Vol.9191, pp.605-612, Los Angeles, CA, USA, 2-7 August 2015.
Hoon Ko, Libor Mesicek, Kitae Bae, Goreti Marreiros, Haengkon Kim, Hyun Yoe, Juan Manuel Corchado and Carlos Ramos, "A Study on a Secure Profile Model for Home Network in Cyber-Physical System," International Journal of Security and Its Applications, Vol.9, No.8, pp.337-346, 2015.
(Best Paper Award) Jeongun Park, Seunggye Hwang, Janghoon Yang, Kitae Bae, Hoon Ko, and Dong Ku Kim, “Distributed Compressive Sensing for Correlated Information Sources,” The 1st International Workshop on Internet of Things, Social Network, and Security in Big Data (ISSB 2016), Nov. 17-18, 2016, Seoul, S.Korea.
Carlos Ramos, Diogo Martinho, Goreti Marreiros, Gabriel Villarrubia, Juan F. De Paz, Juan M. Corchado, Hoon Ko, Haeng-kon kim, Hyun Yoe, "EKRUCAmI architecture – Applications in Healthcare Domain,” Frontiers in Artificial Intelligence and Applications, Vol. 298, pp.140-152. 2017.
Sanghak Oh, Eunsoo Kim, Hoon Ko, and Hyoungshick Kim, “An Architecture for Security Management in I2NSF Framework,” International Conference on Ubiquitous Information Management and Communication 2017 (ACM IMCOM2017), Jan. 5-7, 2017, Beppu, Japan, 2017.
Hoon Ko, Libor Mesicek, Jongsun Choi, Junho Choi and Seogchan Hwang, “A Study on Secure Contents Strategies for applications with DRM on Cloud Computing,” International Journal of Cloud Applications and Computing (IJCAC), Vol.8, No.1, pp. 1-11, 2018.
Gyu Ho Choi, Hoon Ko, Witold Pedrycz, and Sung Bum Pan, "Post-exercise Electrocardiogram Identification System using Normalized Tachycardia based on P, T wave," IEEE IEMCON 2019 (The 10th IEEE Annual Information Technology Electronics & Mobile Communication Conference), October 17-19, 2019, University of British Columbia, Vancouver, Canada, pp. xx-xx, 2019.
Kyungroul Lee, Hoon Ko, Junho Choi, Hyoungju Kim, and Sun-Young Lee, ”Practical Vulnerability Analysis of Mouse Data According to Offensive Security based on Machine Learning,” 5th International Congress (ICICT2020), Feb. 20-21, London, UK.
Jiho Choi, Taek Lee and Hoon Ko, "Evaluating Input Validation Techniques for SQL Injection Defense," International Journal of Environmental Sciences (IJES), Vol. xx, Issue. x, pp. xx-xx, 2025 (SCOPUS, ISSN: 2229-7359)
Minchan-Kang , Gou-Sung Degbey , Hyunhwa Le2, Jonghyuk Kim,Sungchul Lee, and Hoon Ko, "Anxiety-Focused Classification Using Smartphone-Based Gait Analysis and Deep Learning Models," Journal of Computer Science, Vol. xx, No. xx, pp. xx-xx, 2026 (SCOPUS, 1549-3636 / 1552-6607, Science Publications)
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Refereed Journal Papers (Domestic, KCI)
(KCI) H. Ko, U. J. Jang and Y. T. Shin, "PKI환경의 OCSP 서버 부하 감소를 위한 OCSP 분산 기법," Korea Institute of Information Security & Cryptology (KIISC), Vol. 13, No. 6, pp. 67~76, December, 2003.
(KCI) H. Ko, U. J. Jang and Y. T. Shin, "A Study on the Secure CLR forward method for distributed OCSP server," Korea Society for Internet Information (KSII), Vol. 5, No. 2, pp. 33~40, April, 2004.
(KCI) S. H. Kim, H. Ko and Y. T. Shin, "Design of Redirection System for Server Selection in Contents Distribute," Korea Institute of Communication Science (KICS), Vol. 28, No. 1, pp. 267~273, January, 2004.
(KCI) H. Ko and B. Y. Sohn, "An Efficient Group Management for data forwarding in dynamic group environment," Journal Data Analysis Science (JDAS), Vol. 7, No. 3, pp. 893~903, June, 2005.
(KCI) BaeHyeun Kim, H. Ko and B. Y. Sohn, "A Study on the distribution server to prevent Authentication congestion," Korea Information Science Society(KISS), Vol. 2, No. 1, pp. 7~12, December, 2005.
(KCI) H. Ko, U. J. Jang, S. H. Kim and Y. T. Shin, "An Efficient Group Management Method for Secure Multicast forward," Korea Information Science Society (KISS), Vol. 33, No. 1, pp. 9~15, February, 2006.
(KCI) Y. S. Son, H. Ko, H. H. Han, D. W. Lee and Y. T. Shin, "A Study on to Software technique human strength and to Improve Strategy," Korea Institute of Communication Science(KICS), Vol. 31, No. 3B, pp. 239~253, April, 2006.
(KCI) Y. S. Son, H. Ko and Y. T. Shin, "A Study on the development strategy of e-learning contents preparing DMB ages," Journal Data Analysis Science(JDAS), Vol. 8, No. 2, pp. 833~843, April, 2006.
(KCI) Y. S. Son, H. Ko and Y. T. Shin, "A Study on the technique evaluation process model for Enterprise selection," Korea Institute of Communication Science(KICS), Vol. 29, No. 3B, pp. 112~120, September, 2006.
(KCI) Hoon Ko, "XML Document Encrypt Implementation using Elliptic Curve Cryptosystem," Korea Society for Internet Information (KSII), Vol. 8, No. 1, pp. 59~65, February, 2007.
(KCI) S. S. Cho, Y. J. Lee, Y. S. Chang, J. J. Jung, H. Ko, J. Y. Kim, " A Study of Factors in Adopting Multi-RFID: Comparison between the Early Adopter and Late Adopter," Cyber-communication Academic Journal, Vol. 25, No. 1, pp.157-192, 2008.
(KCI) Y. J. Lee, S. S. Cho, Y. S. Chang, J. J. Jung, H. Ko, J. Y. Kim, "A study on the functions of multi-RFID and privacy concern: Focusing on potential users," East-West press society journal, Vol. 11, pp.159-177, 2008.
Hoon Ko, "Application of Asymmetric key Encryption Method for Internet-based SCADA Security," Journal of Security Engineering, Vol. 5, No.6, pp.537-544, 2008.
Hoon Ko, "A New Data Filtering Method for Auto Vacc in Handheld Device," Journal of Security Engineering, Vol. 5, No.1, pp.81-88, 2008.
Hoon Ko, "Special Issues for Penetration testing of Firewall," Journal of Security Engineering, Vol. 5, No.4, pp.303-307, 2008.
(KCI) Kiyoung Kim and Hoon Ko, “Reliable Group Handover Scheme based on IEEE802.11,” The Korea Society of Digital Industry & Information Management, Vol. 5, No. 1, pp. 33~41, March, 2009.
(KCI) Hoon Ko and Carlos Ramos, "A Study on Dynamic Credential (DC) Making based on X.509," Journal of Science and Engineering, Vol. 6, No. 4, pp. 275~286, March, 2009.
(KCI) Hoon Ko, "Web SCADA Employing Application Program Interface as Data Source," Journal of Security Engineering, Vol. 7, No. 6, pp. 567-574, December, 2010.
(KCI) Hoon Ko and Ronnie D. Caytiles, "A Review of Smartcard Security Issues," Journal of Security Engineering, Vol. 8, No. 3, pp. 359-370, June, 2011.
Hoon Ko, K. T Bae, H. K Kim, Hyun Yoe, Goreti Marreiors, Juan, and Carlos Ramos, “A Study on the Key Management Strategy for Wireless Social Networks,” Advances in Distributed Computing and Artificial Intelligence Journal, Vol. 3, No. 3, pp. 1-10, 2014 (ISSN:2255-2863, http://DOI:10.14201/ADCAIJ2014334353).
배기태, 고훈, “상황인지기반 보안을 고려한 사용자 행동 분석,” 정보기술융합공학논문지, 7월, 2호, pp. 41-45, 2017.12. (no KCI indexed).
Sung Uk Kim, and Hoon Ko, “Study on NFT-Blockchain-Based Incentive Mechanism for Vehicular Network,” 차세대컴퓨팅학회, Vol. 20, No. 6, pp.101-112, 2024.12.
김정인, 고훈, 임광철, "Stability AI를 이용한 고서의 이미지 생성 연구," 차세대컴퓨팅학회, Vol. 20, No. 6, pp.92-100, 2024.12.
Dae il Ngagaba Gogo, Hoon Ko, and Sungchul Lee, “Blockchain-based system for User Consent Management using Smart Contract in Healthcare,” 차세대컴퓨팅힉회, Vol. 21, No. 3, pp. 21-33, 2025.06.
Seojun Lee, Seungwoo Lee, and Hoon Ko, “Research on an AI-based Platform for Proofreading and Writing Style Learning of Digital Content,” International Journal of Environmental Sciences (IJES), Vol. xx, Issue. x, pp.xx-xx, 2026 (SCOPUS, ISSN: 2229-7359)
Refereed Conference Papers (International)
H. Ko, Y. H. Kim, I. S. Lee, D. Y. Yoo and U. J. Jang, "A Development to Secure monitoring tool for analyzing vulnerability of home gateway," JWIS2006(Join Workshop Information Symposium), pp. 111~120, Seoul, Korea, September, 2006.
H. Ko, J. Y. Kim, J. J. Jung, S. S. Joe, Y. J. Lee and Y. S. Chang, "A Design and Development Modified SEED Algorithm to Apply RFID," ICUT2007, pp. 3~12, Dubai, UAE, February, 12~14, 2007.
Jongil Park, Fengde Zhang, Hyewon Bae, Hoon Ko, Yoojae Won, Yongtea Shin, “A design the Information Security Standard Map and Information Security Product Map in Wire/Wireless Environment,” APIC-IST 2007, pp. 221~225, The Hanoi University of Technology, Hanoi, Vietnam. December, 13~14, 2007.
MinKyu Choi, Zita Vale, Carlos Ramos, Hoon Ko and Goreti Marreiros, “Securing SCADA Component Communication with the Utilization of Different Encryption Schemes,” The 1st International Conference on Advanced Information Technology and Sensor Application (SERSC Proceeding), February 28-20, Sunshine Hotel, Daejeon, S. Korea, 2012.
Minkyu Choi, Goreti Marreiros, Zita Vale, Carlos Ramos and Hoon Ko, “The Integration of Cross Crypto Scheme Cipher for Securing SCADA Component Communication,” The 1st International Conference on Advanced Information Technology and Sensor Application (SERSC Proceeding), February 28-20, Sunshine Hotel, Daejeon, S. Korea, 2012.
Hoon Ko, Goreti Marreiros and Jongmyung Choi, “A Centralized Peer-to-Peer Architecture for Follow-me Services,” The 3rd International Conference on Security-enriched Urban Computing and Smart Grid 2012 (SUCOMS2012, SERSC Proceeding), Vol.12, pp.10-19, July 29-31, Porto, Portugal.
Hoon Ko, Yvette Gelogo and Tai-Hoon Kim, “Securing IPv6 Signaling for SCADA Wireless Sensor Network,” ICCA2012, pp.00-00, Pondicherry, India, January 27-31, 2012.
Hoseok Jeong, Taewoong Choi, Seoungsoo Woo, Hoon Ko and Hyun Yoe, "A Study on the Automatic Feeding System for Productivity Improvement of Hog Farm,” The 2nd International Conference on Smart Media Applications (SMA2013), pp.662-667, October 14-17, Kota Kinabalu, Malaysia, 2013.
Seongjin Kim, Hoon Ko and Hyun Yoe, "A Study on the Livestock Disease Forecasting System using Thermal Image,” The 2nd International Conference on Smart Media Applications (SMA2013), pp.675-680, October 14-17, Kota Kinabalu, Malaysia, 2013.
Ki-tae Bae, Libor Mesicek and Hoon Ko, "Effective Feature Selection Method Using Hog-Family Feature for Human Detection," Advanced Science and Technology Letters (IUrC2014, August 14-17, Best Western Hotel, Budapest, Hungary), Vol.52, pp.131-141, (ISSN: 2287-1233).
Hoon Ko, JongSeok Choi and Yongtae Shin, "Fast Handover Method by Using L2 Trigger Supporting Multi-interface in PMIPv6," International Conference on Smart IT Applications 2015, February 13-14, pp.000-000, Soongsil Univ, Seoul. S. Korea.
Hoon Ko, Libor Mesicek, Kitae Bae, Goreti Marreiros, Haengkon Kim, Hyun Yoe and Carlos Ramos, “Suggest a Secure Profile Structure for Home Network,” SUComS2015 (Advanced Science and Technology Letters), Vol.97, pp.48-51, June 21-23, Porto, Portugal.
Kitae Bae, Libor Mesicek, and Hoon Ko, “Character Input Interface Based on Drag Gesture For The Effective Use of Smart Devices of the visually impaired,” International Conference Software & Smart Convergence 2017 (ICSSC2017), June 27-July 01, FEFU, Vladivostok, Russia.
Hoon Ko, Batenkina Oksana, In Seop Na, Sung Beom Pan, Pankoo Kim, “A study on an Identification with ECG base in Augmented-Reality,” Research in Adaptive and Convergent Systems 2018 (ACM RACS2018), Honolulu, Hawaii, October 9-12, 2018.
Hoon Ko, Chang Choi, and Junho Choi, “Network Security Architecture and Applications based on Context-Aware Security,” 7th International Conference of Advanced Computer Science & Information Technology (ACSIT 2019) March 23-24, 2019, Sydney, Australia, 2019.
Jong Youl Hong, Hoon Ko, and Jeong Hee Kim, “Cultural Intelligence and ARCS Model for Digital Era,” The 2nd International Workshop on Internet of Things, Social Network, and Security in Big Data June 26-28 2019, JoongAng Univ., Seoul, Korea.
Junho Choi, Chang Choi, SungHwan Kim and Hoon Ko, “Medical Information Protection Frameworks for Smart Healthcare based on IoT,” 9th International Conference on Web Intelligence, Mining and Semantics (sub. ISSB2019), June 26-28 2019, JoongAng Univ., Seoul, Korea.
Seojun Lee, Seungwoo Lee, and Hoon Ko, "Research on an AI-based Platform for Proofreading and Writing Style Learning of Digital Content," International Journal of Environmental Sciences (IJES), Vol. xx, No. xx, pp. xx-xx, 2026 (ISSN: 2229-7359, theaspd)