Ontology-Enabled Activity Learning and Model Evolution in Smart Homes. - George Okeyo; Liming Chen 001; Hui Wang 001; Roy Sterritt (UIC, 2010)

A systematic approach to adaptive activity modeling and discovery in smart homes. - Liming Chen 001; George Okeyo; Hui Wang 001; Roy Sterritt; Chris D. Nugent (BMEI, 2011)

A Hybrid Ontological and Temporal Approach for Composite Activity Modelling. - George Okeyo; Liming Chen 001; Hui Wang 001; Roy Sterritt (TrustCom, 2012)

A Knowledge-Driven Approach to Composite Activity Recognition in Smart Environments. - George Okeyo; Liming Chen 001; Hui Wang 001; Roy Sterritt (UCAmI, 2012)

An Agent-mediated Ontology-based Approach for Composite Activity Recognition in Smart Homes. - George Okeyo; Liming Chen 001; Hui Wang 001 (J. Univers. Comput. Sci., 2013)

Combining ontological and temporal formalisms for composite activity modelling and recognition in smart homes. - George Okeyo; Liming Chen 001; Hui Wang 001 (Future Gener. Comput. Syst., 2014)

Dynamic sensor data segmentation for real-time knowledge-driven activity recognition. - George Okeyo; Liming Chen 001; Hui Wang 001; Roy Sterritt (Pervasive Mob. Comput., 2014)

An Ontology-Based Hybrid Approach to Activity Modeling for Smart Homes. - Liming Chen 001; Chris D. Nugent; George Okeyo (IEEE Trans. Hum. Mach. Syst., 2014)

An aggregated technique for optimization of SOAP performance in communication in Web services. - Kennedy Mutange Senagi; George Okeyo; Wilson K. Cheruiyot; Michael W. Kimwele (Serv. Oriented Comput. Appl., 2016)

Matrix Factorization Techniques for Context-Aware Collaborative Filtering Recommender Systems: A Survey. - Mohamed Hussein Abdi; George Onyango Okeyo; Ronald Waweru Mwangi (Comput. Inf. Sci., 2018)

A Cloud-Based Business Continuity for Universities: Issues and Challenges (short paper). - Sofie Muriithi; Geoffrey Chemwa; George Okeyo (ACSE, 2020)

A survey on privacy and security of Internet of Things. - Mark Mbock Ogonji; George Okeyo; Joseph Muliaro Wafula (Comput. Sci. Rev., 2020)

Feature Selection for Classification using Principal Component Analysis and Information Gain. - Erick Odhiambo Omuya; George Onyango Okeyo; Michael W. Kimwele (Expert Syst. Appl., 2021)

Detecting Phishing Attacks Using Feature Importance-Based Machine Learning Approach. - Belyse Rugangazi; George Okeyo (AFRICON, 2023)

Cover feature: guest editors' introduction title: internet of things for everyday living: ubiquitous intelligence at Scale. - George Okeyo; Liming Chen 001; Chengsheng Pan; Lingmei Wang (J. Ambient Intell. Humaniz. Comput., 2023)

AI-Driven Precision Farming: A Holistic Approach to Enhance Food and Nutrition Security in Africa. - Diane Tuyizere; Valodia Uwase; Moise Niyonkuru; Gentil Ndanyunzwe; Moses Kabutware; Prosper Singadi; Rachel Uwera; George Okeyo (COINS, 2024)

Improved collaborative filtering recommender system based on hybrid similarity measures. - Mohamed Hussein Abdi; George Onyango Okeyo; Ronald Waweru Mwangi (Int. Arab J. Inf. Technol., 2025)

Data stream mining techniques for real-time monitoring and control of smart power grids in Kenya: challenges and opportunities. - Cornelius Mutuku Mulevu; George Onyango Okeyo; Joseph Muliaro Wafula (Discov. Internet Things, 2025)