• Pouya Foudeh Faculty of Computing, Universiti Teknologi Malaysia, Johor Bahru, Malaysia https://orcid.org/0000-0002-9809-5751
  • Naomie Salim UTM Big Data Centre, Ibnu Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia




Probabilistic ontologies, probabilistic modeling, probabilistic databases, ontology storage, human activity recognition


Efficiency and scalability are obstacles that have not yet received a viable response from the human activity recognition research community. This paper proposes an activity recognition method. The knowledge model is in the form of ontology, the state-of-the-art in knowledge representation and reasoning. The ontology starts with probabilistic information about subjects’ low-level activities and location and then is populated with the assertion axioms learned from data or defined by the user. Unlike methods that choose only the most probable candidate from sensor readings, the proposed method keeps multiple candidates with the known degree of confidence for each one and involves them in decision making. Using this method, the system is more flexible to deal with unreliable data, readings from sensors, and the final recognition rate is improved. Besides, to resolve the scalability problem, a system is designed and implemented to do reasoning and storing in a relational database management system. Numerical evaluations and conceptual benchmarking prove the proposed system feasibility.


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How to Cite

Foudeh, P., & Salim, N. (2023). ONTOLOGICAL, FULLY PROBABILISTIC KNOWLEDGE MODEL FOR HUMAN ACTIVITY RECOGNITION. Jurnal Teknologi, 85(2), 183–199. https://doi.org/10.11113/jurnalteknologi.v85.18942



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