Portrait of A.Qahtan

Abdulhakim Qahtan

PhD Student
Pursued his Ph.D. degree at MINE Lab from August 2011 - May 2016
Dissertation Title:  Efficient Estimation of Dynamic Density Function with Applications in Streaming Data. 

Curent position: Assistant Professor, Department of Information and Computing Sciences, Utrecht University, the Netherlands (after 3-year Postdoctoral researcher at QCRI in Qatar).

Research Interests

Data mining; Statistics​​​; Applying statistical models in machine learning.

Selected Publications

  • Basma Alharbi Abdulhakim Ali Qahtan, Xiangliang Zhang: Minimizing User Involvement for Learning Human Mobility Patterns from Location Traces. AAAI 2016: 865-871
  • Abdulhakim A QahtanBasma Alharbi, Suojin Wang, Xiangliang Zhang"A PCA-Based Change Detection Framework for Multidimensional Data Streams". Proceedings of the 21st ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2015), pp. 935 - 944, Sydney, Australia, August 10-13, 2015 (acceptance rate=159/819=19.4%)
  • Qahtan, A., Zhang, X., and Wang, S. Efficient Estimation of Dynamic Density Functions with an Application to Outlier Detection. To appear in 21st ACM International Conference on Information and Knowledge Management (CIKM 2012), Maui, Hawaii, October 29 - November 2, 2012 (acceptance rate=302/1088=27.7%)
  • Salah, K. and Qahtani, A. Performance Evaluation Comparison of Snort NIDS under Linux and Windows Server, Journal of Network and Computer Applications, Elsevier Science, Vol. 33, No. 1, January 2010, pp. 6-15
  • Salah, K. and Qahtan, A. Implementation and Experimental Performance Evaluation of a Hybrid Interrupt-Handling Scheme, Computer Communications, Elsevier Science, Vol. 32(1) (2009), pp. 179-188


  • Ph.D., KAUST, Saudi Arabia, 2016​
  • M.S.,  Interrupt Handling in High Speed Networks, KFUPM, Saudi Arabia, 2008
  • B.S., Computer Science, Cairo University, Egypt, 2000

Professional Profile

  • July-August 2012, intern,  Texas A M University. 
  • 2008-2010, Lecturer-B, KFUPM, Saudi Arabia.
  • 2000-2003, Teaching Assistant, Taiz University, Yemen.


  • Provost Award for Academic Excellence, KAUST, Saudi Arabia, 2010.​
  • A certificate and Medal of academic excellence, Ministry of Higher Education and Scientific Research, Yemen, 2008.
  • Graduated from Cairo University with honors, Egypt, 2000.
  • A certificate of academic excellence, Embassy of Yemen at Egypt, 1999.