Picture of Belkacem Chikhaoui

Belkacem Chikhaoui holds a Ph.D in computer science from University of Sherbrooke (Canada) and was member of the DOMUS and PROSPECTUS laboratories at the University of Sherbrooke. After his doctoral studies, he joined the Intelligent Assistive Technology and systems Lab (IATSL) at University of Toronto (Canada) as a postdoctoral research fellow. Before joining the TELUQ University, Belkacem Chikhaoui worked as data science researcher at the Computer Research Institute of MontrealHe is currently assistant professor at the Science & Technology Department of the TELUQ University and he is a researcher in the LICEF research center. He is also an adjunct professor in the Department of Computer science at the University of Sherbrooke.

His research interests include data mining, machine learning, artificial intelligence, big data, social network analysis, recommender systems, and mobile computing. 


  • Postdoctoral fellow, University of Toronto, 2016
  • Ph.D, University of Sherbrooke, 2013
  • M. Sc. University of Sherbrooke, 2009
  • Computer science engineer, University of Boumerdes (Algeria), 2004

Research Interests

  • Data Mining
  • Machine Learning
  • Artificial Intelligence
  • Social Network Analysis
  • Big Data Processing
  • Recommender Systems
  • Mobile Computing


Publications & Presentations

This section shows the documents (if any) that are available in R-libre, TELUQ's open access research publication repository.

Journal articles (refereed)

Mabrouk, Rostom; Chikhaoui, Belkacem, & Bentabet, Layachi (In Press). Machine Learning Models Classification using Clinical and DaTSCAN SPECT Imaging features: A Study on SWEDD and Parkinson’s disease. IEEE Transactions on Radiation and Plasma Medical Sciences.

Ye, Bing; Khan, Shehroz S.; Chikhaoui, Belkacem; Iaboni, Andrea; Schindel Martin, Lori; Newman, Kristine; Wang, Angel, & Mihailidis, Alex (In Press). Challenges in collecting big data in a clinical environment with vulnerable population : Lessons learned from a study using a multi-modal sensors platform. Journal of Science and Engineering Ethics.

Chikhaoui, Belkacem; Bing, Ye, & Mihailidis, Alex (In Press). Aggressive and agitated behavior recognition from accelerometer data using non-negative matrix factorization. Journal of Ambient Intelligence and Humanized Computing. https://doi.org/10.1007/s12652-017-0537-x

Chikhaoui, Belkacem; Chiazzaro, Mauricio; Wang, Shengrui, & Sotir, Martin (2017). Detecting communities of authority and analyzing their influence in dynamic social networks. ACM Transactions on Intelligent Systems and Technology (TIST), 8 (6), 82:1-82:28.

Chikhaoui, Belkacem; Ye, Bing, & Mihailidis, Alex (2017). Feature-level combination of skeleton joints and body parts for accurate aggressive and agitated behavior recognition. Journal of Ambient Intelligence and Humanized Computing, 8 (6), 957–976.

Papers in Conference Proceedings (refereed)

Tshimula, Jean-Marie; Chikhaoui, Belkacem, & Wang, Shengrui (In Press). HAR-search: A Method to Discover Hidden Affinity Relationships in Online Communities. In The 2019 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2019). Vancouver, Canada : IEEE/ACM.

Chikhaoui, Belkacem; Bier, Nathalie; Lussier, Maxime; Gagnon, Mathieu; Giroux, Sylvain, & Pigot, Hélène (In Press). Automatic Identification of Behavior Patterns in Mild Cognitive Impairments and Alzheimer's Disease Based on Activities of Daily Living. In 16th International Conference On Smart homes and health Telematics. Singapore, coll. « Springer ».

Chikhaoui, Belkacem; Frank, Gouineau, & Martin, Sotir (In Press). A CNN Based Transfer Learning Model for Automatic Activity Recognition from Accelerometer Sensors. In 14th International Conference on Machine Learning and Data Mining MLDM 2018. New York, USA, coll. « Springer ».

Chikhaoui, Belkacem, & Frank, Gouineau (2017). Towards Automatic Feature Extraction for Activity Recognition from Wearable Sensors: A Deep Learning Approach. In IEEE ICDM Workshops (p. 693-702). New Orleans, USA, coll. « IEEE ».

Awards & Honors

  • 2015: Best Post-doctoral poster award, Toronto Rehabilitation Institute Research Day, University of Toronto. $250.
  • 2014: Dean’s honour list, Ph.D studies, Faculty of science, University of Sherbrooke.
  • 2013: Recipient of the prestigious NSERC (Natural Sciences and Engineering Research Council of Canada) Posdoctoral Fellowship at the Post doctorate-level. $40,000 per year (2 years)
  • 2011: Recipient of the prestigious Alexander-Graham-Bell NSERC (Natural Sciences and Engineering Research Council of Canada) Scholarship at the doctorate-level. $35,000 per year (2 years)
  • 2011: Recipient of the FQRNT (Fonds Québecois de la Recherche sur la Nature et les Technologies) Scholarship at the doctorate-level (declined). $20,000 per year (2 years)