Dynamic Collaborative Business Process Formulation via Ontologised Hierarchical Task Network (HTN) Planning. - Ryan K. L. Ko; Stephen Siang Guan Lee; Eng Wah Lee; Andre Jusuf (ICWS, 2009)

Generating Request Web Services from Annotated BPEL. - Duy Ngan Le; Ngoc Son Nguyen; Karel Mous; Ryan Kok Leong Ko; Angela Eck Soong Goh (RIVF, 2009)

Genesis. - Ryan K. L. Ko; Andre Jusuf; Stephen Siang Guan Lee (SERVICES I, 2009)

Business process management (BPM) standards: a survey. - Ryan K. L. Ko; Stephen Siang Guan Lee; Eng Wah Lee (Bus. Process. Manag. J., 2009)

A computer scientist's introductory guide to business process management (BPM). - Ryan K. L. Ko (ACM Crossroads, 2009)

Cloud computing in plain English. - Ryan K. L. Ko (ACM Crossroads, 2010)

Towards Achieving Accountability, Auditability and Trust in Cloud Computing. - Ryan K. L. Ko; Bu-Sung Lee; Siani Pearson (ACC (4), 2011)

How to Track Your Data: The Case for Cloud Computing Provenance. - Olive Qing Zhang; Markus Kirchberg; Ryan K. L. Ko; Bu-Sung Lee (CloudCom, 2011)

TrustCloud: A Framework for Accountability and Trust in Cloud Computing. - Ryan K. L. Ko; Peter Jagadpramana; Miranda Mowbray; Siani Pearson; Markus Kirchberg; Qianhui Liang; Bu-Sung Lee (SERVICES, 2011)

Flogger: A File-Centric Logger for Monitoring File Access and Transfers within Cloud Computing Environments. - Ryan K. L. Ko; Peter Jagadpramana; Bu-Sung Lee (TrustCom, 2011)

From Linked Data to Relevant Data – Time is the Essence - Markus Kirchberg; Ryan K. L. Ko; Bu-Sung Lee (CoRR, 2011)

Automating Compliance for Cloud Computing Services. - Nick Papanikolaou 001; Siani Pearson; Marco Casassa Mont; Ryan K. L. Ko (CLOSER, 2012)

Formal Concept Discovery in Semantic Web Data. - Markus Kirchberg; Erwin Leonardi; Yu Shyang Tan; Sebastian Link; Ryan K. L. Ko; Bu-Sung Lee (ICFCA, 2012)

Overcoming Large Data Transfer Bottlenecks in RESTful Service Orchestrations. - Ryan K. L. Ko; Markus Kirchberg; Bu-Sung Lee; Elroy Chew (ICWS, 2012)

Tracking of Data Leaving the Cloud. - Yu Shyang Tan; Ryan K. L. Ko; Peter Jagadpramana; Chun Hui Suen; Markus Kirchberg; Teck Hooi Lim; Bu-Sung Lee; Anurag Singla; Ken Mermoud; Doron Keller; Ha Duc (TrustCom, 2012)

How to Track Your Data: Rule-Based Data Provenance Tracing Algorithms. - Olive Qing Zhang; Ryan K. L. Ko; Markus Kirchberg; Chun Hui Suen; Peter Jagadpramana; Bu-Sung Lee (TrustCom, 2012)

Business-OWL (BOWL) - A Hierarchical Task Network Ontology for Dynamic Business Process Decomposition and Formulation. - Ryan K. L. Ko; Eng Wah Lee; Stephen Siang Guan Lee (IEEE Trans. Serv. Comput., 2012)

Security and Data Accountability in Distributed Systems: A Provenance Survey. - Yu Shyang Tan; Ryan K. L. Ko; Geoff Holmes 001 (HPCC/EUC, 2013)

S2Logger: End-to-End Data Tracking Mechanism for Cloud Data Provenance. - Chun Hui Suen; Ryan K. L. Ko; Yu Shyang Tan; Peter Jagadpramana; Bu-Sung Lee (TrustCom/ISPA/IUCC, 2013)

'Time' for Cloud? Design and Implementation of a Time-Based Cloud Resource Management System. - Ryan Kok Leong Ko; Alan Yu Shyang Tan; Grace P. Y. Ng (IEEE CLOUD, 2014)

Progger: An Efficient, Tamper-Evident Kernel-Space Logger for Cloud Data Provenance Tracking. - Ryan K. L. Ko; Mark A. Will (IEEE CLOUD, 2014)

Virtual Numbers for Virtual Machines? - Alan Yu Shyang Tan; Ryan Kok Leong Ko; Veena B. Mendiratta (IEEE CLOUD, 2014)

OpenStack Café: A Novel Time-Based User-centric Resource Management Framework in the Cloud. - Alan Yu Shyang Tan; Ryan Kok Leong Ko; Grace P. Y. Ng (BigData Congress, 2014)

A Mantrap-Inspired, User-Centric Data Leakage Prevention (DLP) Approach. - Ryan Kok Leong Ko; Alan Yu Shyang Tan; Ting Gao (CloudCom, 2014)

Consumer-centric protection for online social networks. - Raja Naeem Akram; Ryan K. L. Ko; Tsz Fung Law (IRI, 2014)

Unified Model for Data Security - A Position Paper. - Raja Naeem Akram; Ryan K. L. Ko (TrustCom, 2014)

Digital Trust - Trusted Computing and Beyond: A Position Paper. - Raja Naeem Akram; Ryan K. L. Ko (TrustCom, 2014)

Escrow: A Large-Scale Web Vulnerability Assessment Tool. - Baden Delamore; Ryan K. L. Ko (TrustCom, 2014)

End-to-End Secure and Privacy Preserving Mobile Chat Application. - Raja Naeem Akram; Ryan K. L. Ko (WISTP, 2014)

Computing Mod Without Mod. - Mark A. Will; Ryan K. L. Ko (IACR Cryptol. ePrint Arch., 2014)

A toolkit for automating compliance in cloud computing services. - Nick Papanikolaou 001; Siani Pearson; Marco Casassa Mont; Ryan K. L. Ko (Int. J. Cloud Comput., 2014)

Special issue on trust and security in cloud computing. - Ryan K. L. Ko; Markus Kirchberg; Bu-Sung Lee (Secur. Commun. Networks, 2014)

Special Issue on Advances in Trust, Security and Privacy for Wireless and Mobile Networks. - Yulei Wu; Ryan K. L. Ko; Ahmed Yassin Al-Dubai (Wirel. Pers. Commun., 2014)

Security as a service (SecaaS) - An overview. - Baden Delamore; Ryan K. L. Ko (The Cloud Security Ecosystem, 2015)

Cloud security ecosystem. - Ryan K. L. Ko; Kim-Kwang Raymond Choo (The Cloud Security Ecosystem, 2015)

Provenance for cloud data accountability. - Alan Yu Shyang Tan; Ryan K. L. Ko; Geoff Holmes 001; Bill Rogers 001 (The Cloud Security Ecosystem, 2015)

A guide to homomorphic encryption. - Mark A. Will; Ryan K. L. Ko (The Cloud Security Ecosystem, 2015)

STRATUS: Towards Returning Data Control to Cloud Users. - Ryan K. L. Ko; Giovanni Russello; Richard Nelson; Shaoning Pang 001; Aloysius Cheang; Gillian Dobbie; Abdolhossein Sarrafzadeh; Sivadon Chaisiri; Muhammad Rizwan Asghar; Geoffrey Holmes 001 (ICA3PP (Workshops and Symposiums), 2015)

Secure Voting in the Cloud Using Homomorphic Encryption and Mobile Agents. - Mark A. Will; Brandon Nicholson; Marc Tiehuis; Ryan K. L. Ko (ICCCRI, 2015)

A Joint Optimization Approach to Security-as-a-Service Allocation and Cyber Insurance Management. - Sivadon Chaisiri; Ryan K. L. Ko; Dusit Niyato (TrustCom/BigDataSE/ISPA (1), 2015)

A Global, Empirical Analysis of the Shellshock Vulnerability in Web Applications. - Baden Delamore; Ryan K. L. Ko (TrustCom/BigDataSE/ISPA (1), 2015)

Inferring User Actions from Provenance Logs. - Xin Li; Chaitanya Joshi; Alan Yu Shyang Tan; Ryan Kok Leong Ko (TrustCom/BigDataSE/ISPA (1), 2015)

Trusted Tamper-Evident Data Provenance. - Mohammad M. Bany Taha; Sivadon Chaisiri; Ryan K. L. Ko (TrustCom/BigDataSE/ISPA (1), 2015)

Bin Encoding: A User-Centric Secure Full-Text Searching Scheme for the Cloud. - Mark A. Will; Ryan K. L. Ko; Ian H. Witten (TrustCom/BigDataSE/ISPA (1), 2015)

Computing Mod with a Variable Lookup Table. - Mark A. Will; Ryan K. L. Ko (SSCC, 2016)

From Reactionary to Proactive Security: Context-Aware Security Policy Management and Optimization under Uncertainty. - Sivadon Chaisiri; Ryan K. L. Ko (Trustcom/BigDataSE/ISPA, 2016)

UVisP: User-centric Visualization of Data Provenance with Gestalt Principles. - Jeffery Garae; Ryan K. L. Ko; Sivadon Chaisiri (Trustcom/BigDataSE/ISPA, 2016)

The Data Privacy Matrix Project: Towards a Global Alignment of Data Privacy Laws. - Craig Scoon; Ryan K. L. Ko (Trustcom/BigDataSE/ISPA, 2016)

Taxonomy of Man-in-the-Middle Attacks on HTTPS. - Shaun Stricot-Tarboton; Sivadon Chaisiri; Ryan K. L. Ko (Trustcom/BigDataSE/ISPA, 2016)

Privacy Preserving Computation by Fragmenting Individual Bits and Distributing Gates. - Mark A. Will; Ryan K. L. Ko; Ian H. Witten (Trustcom/BigDataSE/ISPA, 2016)

The Full Provenance Stack: Five Layers for Complete and Meaningful Provenance. - Ryan K. L. Ko; Thye Way Phua (SpaCCS Workshops, 2017)

Visualizing the New Zealand Cyber Security Challenge for Attack Behaviors. - Jeffery Garae; Ryan K. L. Ko; Janice Kho; Saidah Suwadi; Mark A. Will; Mark D. Apperley (TrustCom/BigDataSE/ICESS, 2017)

Attribution Using Keyboard Row Based Behavioural Biometrics for Handedness Recognition. - Sam Shute; Ryan K. L. Ko; Sivadon Chaisiri (TrustCom/BigDataSE/ICESS, 2017)

Secure FPGA as a Service - Towards Secure Data Processing by Physicalizing the Cloud. - Mark A. Will; Ryan K. L. Ko (TrustCom/BigDataSE/ICESS, 2017)

Anonymous Data Sharing Between Organisations with Elliptic Curve Cryptography. - Mark A. Will; Ryan K. L. Ko; Silvino J. Schlickmann (TrustCom/BigDataSE/ICESS, 2017)

Malware Propagation and Prevention Model for Time-Varying Community Networks within Software Defined Networks. - Lan Liu 003; Ryan K. L. Ko; Guangming Ren; Xiaoping Xu (Secur. Commun. Networks, 2017)

MetropolJS: visualizing and debugging large-scale javascript program structure with treemaps. - Joshua D. Scarsbrook; Ryan K. L. Ko; Bill Rogers 001; David Bainbridge 001 (ICPC, 2018)

A Full-Scale Security Visualization Effectiveness Measurement and Presentation Approach. - Jeffery Garae; Ryan K. L. Ko; Mark D. Apperley (TrustCom/BigDataSE, 2018)

A Scalable Approach to Joint Cyber Insurance and Security-as-a-Service Provisioning in Cloud Computing. - Jonathan Chase; Dusit Niyato; Ping Wang 001; Sivadon Chaisiri; Ryan K. L. Ko (IEEE Trans. Dependable Secur. Comput., 2019)

Data Provenance for Big Data Security and Accountability. - Thye Way Phua; Ryan K. L. Ko (Encyclopedia of Big Data Technologies, 2019)

PrivColl: Practical Privacy-Preserving Collaborative Machine Learning. - Yanjun Zhang; Guangdong Bai; Xue Li 001; Caitlin Curtis; Chen Chen 056; Ryan K. L. Ko (ESORICS (1), 2020)

General Data Protection Regulation (GDPR) in Healthcare: Hot Topics and Research Fronts. - Farhad Fatehi; Farkhondeh Hassandoust; Ryan K. L. Ko; Saeed Akhlaghpour (MIE, 2020)

Pandora: A Cyber Range Environment for the Safe Testing and Deployment of Autonomous Cyber Attack Tools. - Hetong Jiang; Taejun Choi; Ryan K. L. Ko (SSCC, 2020)

An Analytics Framework for Heuristic Inference Attacks against Industrial Control Systems. - Taejun Choi; Guangdong Bai; Ryan K. L. Ko; Naipeng Dong; Wenlu Zhang; Shunyao Wang (TrustCom, 2020)

Local Editing in LZ-End Compressed Data. - Daniel Roodt; Ulrich Speidel; Vimal Kumar 001; Ryan K. L. Ko (CoRR, 2020)

Cyber Autonomy: Automating the Hacker- Self-healing, self-adaptive, automatic cyber defense systems and their impact to the industry, society and national security. - Ryan K. L. Ko (CoRR, 2020)

Message from the guest editors. - Takeshi Takahashi 001; Rodrigo Roman Castro; Bilhanan Silverajan; Ryan K. L. Ko; Said Tabet (Int. J. Inf. Sec., 2020)

On Random Editing in LZ-End. - Daniel Roodt; Ulrich Speidel; Vimal Kumar 001; Ryan K. L. Ko (DCC, 2021)

Privacy-Preserving Gradient Descent for Distributed Genome-Wide Analysis. - Yanjun Zhang; Guangdong Bai; Xue Li 001; Caitlin Curtis; Chen Chen 056; Ryan K. L. Ko (ESORICS (2), 2021)

Plan2Defend: AI Planning for Cybersecurity in Smart Grids. - Taejun Choi; Ryan K. L. Ko; Tapan Kumar Saha; Joshua D. Scarsbrook; Abigail M. Y. Koay; Shunyao Wang; Wenlu Zhang; Connor St Clair (ISGT Asia, 2021)

SDGen: A Scalable, Reproducible and Flexible Approach to Generate Real World Cyber Security Datasets. - Abigail M. Y. Koay; Miao Xie; Ryan K. L. Ko; Charles Sterner; Taejun Choi; Naipeng Dong (UbiSec, 2021)

It's Not Just the Site, It's the Contents: Intra-domain Fingerprinting Social Media Websites Through CDN Bursts. - Kailong Wang 001; Junzhe Zhang; Guangdong Bai; Ryan K. L. Ko; Jin Song Dong 001 (WWW, 2021)

ColdPress: An Extensible Malware Analysis Platform for Threat Intelligence. - Haoxi Tan; Mahin Chandramohan; Cristina Cifuentes; Guangdong Bai; Ryan K. L. Ko (CoRR, 2021)

Confined Gradient Descent: Privacy-preserving Optimization for Federated Learning. - Yanjun Zhang; Guangdong Bai; Xue Li 001; Surya Nepal; Ryan K. L. Ko (CoRR, 2021)

FDGATII : Fast Dynamic Graph Attention with Initial Residual and Identity Mapping. - Gayan K. Kulatilleke; Marius Portmann; Ryan K. L. Ko; Shekhar S. Chandra (CoRR, 2021)

Differentially Private Collaborative Coupling Learning for Recommender Systems. - Yanjun Zhang; Guangdong Bai; Mingyang Zhong; Xue Li 001; Ryan K. L. Ko (IEEE Intell. Syst., 2021)

Security and Privacy in Smart Cities. - Chalee Vorakulpipat; Ryan K. L. Ko; Qi Li 002; Ahmed Meddahi (Secur. Commun. Networks, 2021)

Source Authentication of Distribution Synchrophasors for Cybersecurity of Microgrids. - Yi Cui 004; Feifei Bai; Ruifeng Yan; Tapan Kumar Saha; Ryan K. L. Ko; Yilu Liu 001 (IEEE Trans. Smart Grid, 2021)

SATB: A Testbed of IoT-Based Smart Agriculture Network for Dataset Generation. - Liuhuo Wan; Yanjun Zhang; Ruiqing Li; Ryan K. L. Ko; Louw Hoffman; Guangdong Bai (ADMA (1), 2022)

FDGATII: Fast Dynamic Graph Attention with Initial Residual and Identity. - Gayan K. Kulatilleke; Marius Portmann; Ryan K. L. Ko; Shekhar S. Chandra (AI, 2022)

Positive-Unlabeled Learning using Random Forests via Recursive Greedy Risk Minimization. - Jonathan Wilton; Abigail M. Y. Koay; Ryan K. L. Ko; Miao Xu 001; Nan Ye (NeurIPS, 2022)

Evaluating Performance and Security of a Hybrid Moving Target Defense in SDN Environments. - Minjune Kim; Jin-Hee Cho; Hyuk Lim; Terrence J. Moore; Frederica F. Nelson; Ryan K. L. Ko; Dan Dongseong Kim (QRS, 2022)

Situational Crime Prevention (SCP) techniques to prevent and control cybercrimes: A focused systematic review. - Heemeng Ho; Ryan K. L. Ko; Lorraine Mazerolle (Comput. Secur., 2022)

Editorial: Human-Centric Security and Privacy. - Surya Nepal; Ryan K. L. Ko; Marthie Grobler; L. Jean Camp (Frontiers Big Data, 2022)

An exploratory study of organizational cyber resilience, its precursors and outcomes. - Elinor Tsen; Ryan K. L. Ko; Sergeja Slapnicar (J. Organ. Comput. Electron. Commer., 2022)

Introduction to the Special Section on Resiliency for AI-enabled Smart Critical Infrastructures for 5G and Beyond. - Laizhong Cui; Yulei Wu; Ryan K. L. Ko; Alex Ladur; Jianping Wu (ACM Trans. Sens. Networks, 2022)

Multiscale Adaptive Multifractal Detrended Fluctuation Analysis-Based Source Identification of Synchrophasor Data. - Yi Cui 004; Feifei Bai; Hongzhi Yin; Tong Chen 005; David Dart; Matthew Zillmann; Ryan K. L. Ko (IEEE Trans. Smart Grid, 2022)

Multifractal Characterization of Distribution Synchrophasors for Cybersecurity Defense of Smart Grids. - Yi Cui 004; Feifei Bai; Ruifeng Yan; Tapan Kumar Saha; Mehdi Mosadeghy; Hongzhi Yin; Ryan K. L. Ko; Yilu Liu 001 (IEEE Trans. Smart Grid, 2022)

Preserving the Privacy and Cybersecurity of Home Energy Data. - Richard Bean 001; Yanjun Zhang; Ryan K. L. Ko; Xinyu Mao; Guangdong Bai (Emerging Trends in Cybersecurity Applications, 2023)

Preserving the Privacy and Cybersecurity of Home Energy Data. - Richard Bean 001; Yanjun Zhang; Ryan K. L. Ko; Xinyu Mao; Guangdong Bai (Emerging Trends in Cybersecurity Applications, 2023)

A Framework for User-Centric Visualisation of Blockchain Transactions in Critical Infrastructure. - Jeyakumar Samantha Tharani; Ryan K. L. Ko; Vallipuram Muthukkumarasamy (BSCI, 2023)

TypeScript's Evolution: An Analysis of Feature Adoption Over Time. - Joshua D. Scarsbrook; Mark Utting; Ryan K. L. Ko (MSR, 2023)

ResNet and Yolov5-enabled non-invasive meat identification for high-accuracy box label verification. - Omar Jarkas; Josh Hall 001; Stuart Smith; Md. Redowan Mahmud; Parham Khojasteh; Joshua D. Scarsbrook; Ryan K. L. Ko (Eng. Appl. Artif. Intell., 2023)

Preserving Privacy for Distributed Genome-Wide Analysis Against Identity Tracing Attacks. - Yanjun Zhang; Guangdong Bai; Xue Li 001; Surya Nepal; Marthie Grobler; Chen Chen 056; Ryan K. L. Ko (IEEE Trans. Dependable Secur. Comput., 2023)

Realizing credible remote agricultural auditing with trusted video technology. - Md. Redowan Mahmud; Joshua D. Scarsbrook; Ryan K. L. Ko; Omar Jarkas; Josh Hall 001; Stuart Smith; Jonathan Marshall (J. Cybersecur., 2023)

Where is the human in human-centered AI? Insights from developer priorities and user experiences. - William J. Bingley; Caitlin Curtis; Steven Lockey; Alina Bialkowski; Nicole M. Gillespie; S. Alexander Haslam; Ryan K. L. Ko; Niklas Steffens; Janet Wiles; Peter Worthy (Comput. Hum. Behav., 2023)

Machine learning in industrial control system (ICS) security: current landscape, opportunities and challenges. - Abigail M. Y. Koay; Ryan K. L. Ko; Hinne Hettema; Kenneth Radke (J. Intell. Inf. Syst., 2023)

Mining Irregular Time Series Data with Noisy Labels: A Risk Estimation Approach. - Kun Han; Abigail M. Y. Koay; Ryan K. L. Ko; Weitong Chen 001; Miao Xu 001 (ADC, 2024)

Scp-bp Framework: Situational Crime Prevention for Managing Data Breaches in Business Processes. - Cheng Miao; Heemeng Ho; Elinor Tsen; John Gilmour; Ryan K. L. Ko (BPM, 2024)

Privacy-Preserving and Fairness-Aware Federated Learning for Critical Infrastructure Protection and Resilience. - Yanjun Zhang; Ruoxi Sun 001; Liyue Shen; Guangdong Bai; Minhui Xue 001; Mark Huasong Meng; Xue Li 001; Ryan K. L. Ko; Surya Nepal (WWW, 2024)

Evasion Attack and Defense on Machine Learning Models in Cyber-Physical Systems: A Survey. - Shunyao Wang; Ryan K. L. Ko; Guangdong Bai; Naipeng Dong; Taejun Choi; Yanjun Zhang (IEEE Commun. Surv. Tutorials, 2024)

Using Situational Crime Prevention (SCP)-C3 cycle and common inventory of cybersecurity controls from ISO/IEC 27002:2022 to prevent cybercrimes. - Heemeng Ho; Ryan Kok Leong Ko; Lorraine Mazerolle; John Gilmour; Cheng Miao (J. Cybersecur., 2024)

Intelligent Data Refinement and Analysis of Real-World Cyber Attacks on SCADA Systems. - Wenlu Zhang; Naipeng Dong; Taejun Choi; Guangdong Bai; Ryan K. L. Ko (e-Energy, 2025)

An interdisciplinary approach to identifying outside-of-work drivers of IS innovation adoption for emerging technology. - Elinor Tsen; Ryan K. L. Ko (PACIS, 2025)

Practical Poisoning Attacks with Limited Byzantine Clients in Clustered Federated Learning. - Viet Vo; Mengyao Ma; Guangdong Bai; Ryan K. L. Ko; Surya Nepal (SP, 2025)

Contrasting the optimal resource allocation to cybersecurity controls and cyber insurance using prospect theory versus expected utility theory. - Chaitanya Joshi; Sergeja Slapnicar; Jinming Yang; Ryan K. L. Ko (Comput. Secur., 2025)

A Container Security Survey: Exploits, Attacks, and Defenses. - Omar Jarkas; Ryan Kok Leong Ko; Naipeng Dong; Md. Redowan Mahmud (ACM Comput. Surv., 2025)

Adapting to the stream: an instance-attention GNN method for irregular multivariate time series data. - Kun Han; Abigail M. Y. Koay; Ryan K. L. Ko; Weitong Chen 001; Miao Xu 001 (Frontiers Comput. Sci., 2025)