Refereed papers

1. The predictive power of ranking systems in association football.
   To appear in International Journal of Applied Pattern Recognition, 2013.
2. Optimal resource allocation in survey designs.
   European Journal of Operational Research, 226(1):115-121, 2013.
3. Structural properties of the optimal resource allocation policy for single-queue systems.
   Annals of Operations Research, 202(1):211-233, 2013.
4. Optimal balanced control for call centers.
   Annals of Operations Research, 201(1):39-62, 2012.
5. Approximate dynamic programming techniques for skill-based routing in call centers.
   Probability in the Engineering and Informational Sciences, 26(4):581-591, 2012.
6. Parameter dependent convergence bounds and complexity measure for a class of conceptual hydrological models.
   Journal of Hydroinformatics, 14(2):443-463, 2012.
7. Optimal job splitting in parallel processor sharing queues.
   Stochastic Models, 28(1):144-166, 2012.
8. Optimal patient and personnel scheduling policies for care-at-home service facilities.
   European Journal of Operational Research, 219(3):557-563, 2012. Special issue on Operations Research in Healthcare.
9. Dynamic traffic splitting to parallel wireless networks with partial information: a Bayesian approach.
   Performance Evaluation, 69(1): 41-52, 2012.
   
10. Optimal resource allocation in synchronized multi-tier Internet services.
    Performance Evaluation, 68(11):1072-1084, 2011.
11. Optimal resource allocation for multi-queue systems with a shared server pool.
    Queueing Systems, 68(2):133-163, 2011.
12. Optimal resource allocation for time-reservation systems.
    Performance Evaluation, 68(5):414-428, 2011.
    
13. Optimal concurrent access strategies in mobile communication networks.
    Proceedings of the 22nd International Teletraffic Congres, 1-7, 2010.
    
14. Approximate Dynamic Programming techniques for the control of time-varying queueing systems applied to call centers with abandonments and retrials.
    Probability in the Engineering and Informational Sciences, 24:27-45, 2010.
15. Session-level load balancing for high-dimensional systems.
    IEEE Transactions on Automatic Control, 54(8):2018-2023, 2009.
16. Dynamic thread assignment in web server performance optimization.
    Performance Evaluation, 66(6):301-310, 2009.
    
17. Dynamic routing policies for multi-skill call centers.
    Probability in the Engineering and Informational Sciences, 23(1):75-99, 2009.
18. Gamma frailty model for linkage analysis with application to interval censored migraine data.
    Biostatistics, 10:187-200, 2009.
19. A new method for approximating the variance of the sojourn times in star-shaped queueing networks.
    Stochastic Models, 24(3):487-501, 2008.
20. A simple staffing method for multi-skill call centers.
    Manufacturing and Service Operations Management (MSOM), 10(3):421-428, 2008.
    
21. Simple methods for shift scheduling in multi-skill call centers.
    Manufacturing and Service Operations Management (MSOM), 10(3):411-420, 2008.
    
22. Heuristics for the design and optimization of streaming content distribution networks.
    Proceedings of IEEE GLOBECOM, Washington DC, November 2007.
23. A multiphased approach for modeling and analysis of the BitTorrent protocol.
    Proceedings of the 27th IEEE International Conference on Distributed Computing Systems (ICDCS), Toronto, Canada, June 2007.
24. Modeling and predicting end-to-end response times in multi-tier Internet applications.
    In: Managing Traffic Performance in Converged Networks - the Interplay between Covergent and Divergent Forces,
    The 20th International Teletraffic Congres, Lecture Notes in Computer Science 4516:556-567, 2007.
25. Modelling the impact of user mobility on the throughput in networks of wireless 802.11 LANs.
    Proceedings of IEEE GLOBECOM, San Francisco, December 2006.
26. On the value function of the M/Cox(r)/1 queue.
    Journal of Applied Probability, 43(2):363-376, 2006.
27. On the uniqueness of solutions to the Poisson equations for average cost Markov chains with unbounded cost functions.
    Mathematical Methods of Operations Research, 58:221-236, 2003.
28. A queueing model for call blending in call centers.
    IEEE Transactions on Automatic Control, 48:1434-1438, 2003.
29. On the structure of value functions for threshold policies in queueing models.
    Journal of Applied Probability, 40:613-622, 2003.
30. On the value of learning for Bernoulli bandits with unknown parameters.
    IEEE Transactions on Automatic Control, 45:2135-2140, 2000.
31. Open-loop routing to M parallel servers with no buffers.
    Journal of Applied Probability, 37:668-684, 2000.