Professor Vassilis Kostakos

  • Room: Level: 09 Room: 03
  • Building: Doug McDonell Building
  • Campus: Parkville

Research interests

  • Human Computer Interaction
  • Internet of Things
  • Mobile and Social Computing
  • Smart Cities
  • Smartphones
  • Ubiquitous Computing


Vassilis is a Professor of Human Computer Interaction at the School of Computing and Information Systems at the University of Melbourne. He holds a PhD in Computer Science from the University of Bath, UK. He has previously held appointments at the University of Oulu, University of Madeira, and Carnegie Mellon University. He was a Marie Curie Fellow, and a Fellow of the Academy of Finland Distinguished Professor Program. He was the founding director of the Center for Ubiquitous Computing at the University of Oulu in 2016. He is a founding editor of the Proceedings of the ACM in Interactive, Mobile, Wearable, and Ubiquitous Technologies. His research interests include Human Computer Interaction, Ubiquitous Computing, and Social Computing. His research aims to develop novel interactive technologies that better understand and better respond to humans.

Recent publications

  1. Luo C, Xu Z, Dong R, Goncalves J, Velloso E, Kostakos V. CamTest: A laboratory testbed for camera-based mobile sensing applications. PERVASIVE AND MOBILE COMPUTING. Elsevier. 2019, Vol. 56. DOI: 10.1016/j.pmcj.2019.04.001
  2. Van Berkel N, Goncalves J, Koval P, Hosio S, Dingler T, Ferreira D, Kostakos V. Context-Informed Scheduling and Analysis: Improving Accuracy of Mobile Self-Reports. Conference on Human Factors in Computing Systems. ACM Press. 2019. DOI: 10.1145/3290605.3300281
  3. Van Berkel N, Goncalves J, Hettiachchi D, Wijenayake S, Kelly R, Kostakos V. Crowdsourcing Perceptions of Fair Predictors for Machine Learning: A Recidivism Case Study. Proceedings of the ACM on Human-Computer Interaction. Association for Computing Machinery. 2019, Vol. 3, Issue CSCW. DOI: 10.1145/3359130
  4. Sarsenbayeva Z, Van Berkel N, Jiang W, Hettiachchi D, Kostakos V, Goncalves J. Effect of Ambient Light on Mobile Interaction. 17th IFIP TC 13 International Conference. Proceedings, Part III. 2019, Vol. 11748. DOI: 10.1007/978-3-030-29387-1_26
  5. Hettiachchi D, Van Berkel N, Hosio S, Kostakos V, Goncalves J. Effect of Cognitive Abilities on Crowdsourcing Task Performance. Human-Computer Interaction – INTERACT 2019. Springer Verlag. 2019. DOI: 10.1007/978-3-030-29381-9_28
  6. Van Berkel N, Goncalves J, Loven L, Ferreira D, Hosio S, Kostakos V. Effect of experience sampling schedules on response rate and recall accuracy of objective self-reports. INTERNATIONAL JOURNAL OF HUMAN-COMPUTER STUDIES. Academic Press - Elsevier Science. 2019, Vol. 125. DOI: 10.1016/j.ijhcs.2018.12.002
  7. Luo C, Visuri A, Klakegg S, Van Berkel N, Sarsenbayeva Z, Mottonen A, Goncalves J, Anagnostopoulos T, Ferreira D, Flores H, Velloso E, Kostakos V. Energy-efficient prediction of smartphone unlocking. PERSONAL AND UBIQUITOUS COMPUTING. Springer-Verlag London. 2019, Vol. 23, Issue 1. DOI: 10.1007/s00779-018-01190-0
  8. Liono J, Salim FD, Van Berkel N, Kostakos V, Qin AK. Improving experience sampling with multi-view user-driven annotation prediction. 2019 IEEE International Conference on Pervasive Computing and Communications (PerCom). IEEE. 2019. DOI: 10.1109/PERCOM.2019.8767394
  9. Wang C, Sarsenbayeva Z, Luo C, Goncalves J, Kostakos V. Improving wearable sensor data quality using context markers. Proceedings of the 2019 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2019 ACM International Symposium on Wearable Computers - UbiComp/ISWC '19. ACM Press. 2019. DOI: 10.1145/3341162.3349334
  10. Sarsenbayeva Z, Van Berkel N, Hettiachchi D, Jiang W, Dingler T, Velloso E, Kostakos V, Goncalves J. Measuring the Effects of Stress on Mobile Interaction. ACM International Joint Conference on Pervasive and Ubiquitous Computing. ACM Press. 2019, Vol. 3, Issue 1. DOI: 10.1145/3314411
  11. Giannakos MN, Sharma K, Pappas IO, Kostakos V, Velloso E. Multimodal data as a means to understand the learning experience. International Journal of Information Management. Pergamon. 2019, Vol. 48. DOI: 10.1016/j.ijinfomgt.2019.02.003
  12. Shi H, Cao H, Zhou X, Li Y, Zhang C, Kostakos V, Sun F, Meng F. Semantics-aware hidden Markov model for human mobility. SIAM International Conference on Data Mining, SDM 2019. 2019.
  13. Goncalves J, Feldman M, Hu S, Kostakos V, Bernstein A. Task routing and assignment in crowdsourcing based on cognitive abilities. 26th International Conference on World Wide Web. 2019. DOI: 10.1145/3041021.3055128
  14. Marini G, GonÇalves J, Velloso E, Jurdak R, Kostakos V. Towards context-free semantic localisation. Proceedings of the 2019 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2019 ACM International Symposium on Wearable Computers - UbiComp/ISWC '19. ACM Press. 2019. DOI: 10.1145/3341162.3349329
  15. Visuri A, Van Berkel N, Okoshi T, Goncalves J, Kostakos V. Understanding smartphone notifications’ user interactions and content importance. International Journal of Human-Computer Studies. Academic Press - Elsevier Science. 2019, Vol. 128. DOI: 10.1016/j.ijhcs.2019.03.001

View a full list of publications on the University of Melbourne’s ‘Find An Expert’ profile