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Ana-Maria Oprescu's Home Page

  MSc. Ana-Maria Oprescu
Faculty of Sciences
Dept. of Computer Science
Vrije Universiteit
De Boelelaan 1081A
1081 HV Amsterdam, The Netherlands

Room: R4.23
Email: amo AT cs.vu.nl

I am a Postdoctoral reseacher in the Computer Systems group at the Vrije Universiteit, Amsterdam. My current research focuses on developing fast and accurate methods to multi-objective optimization problems arising from scheduling various workloads across multiple cloud providers.


  • Alexandra Vintila, Ana-Maria Oprescu, Thilo Kielmann Fast (Re-)Configuration of Mixed On-demand and Spot Instance Pools for High-throughput Computing . submitted to ORMaCloud 2013. PDF (draft).

  • Ana-Maria Oprescu, Thilo Kielmann, Haralambie Leahu. Stochastic Tail-Phase Optimization for Bag-of-Tasks Execution in Clouds . UCC 2012, Chicago. PDF.

  • Ana-Maria Oprescu, Thilo Kielmann, Haralambie Leahu. Budget Estimation and Control for Bag-of-Tasks Scheduling in Clouds. Parallel Processing Letters, Vol. 21, No. 2, pp. 219-243, June 2011. PDF (draft).

  • Ana-Maria Oprescu, Thilo Kielmann. Bag-of-Tasks Scheduling under Budget Constraints. In Proceedings of the 2nd IEEE International Conference on cloud Computing Technology and Science (CloudCom 2010) , Indianapolis, USA, Nov/Dec 2010. PDF.

  • Ana-Maria Oprescu, Thilo Kielmann, Wan Fokkink. FTRepMI: Fault-Tolerant, Sequentially-Consistent Object Replication for Grid Applications. In Proceedings of the 10th International Conference on Distributed Computing and Networking (ICDCN'09). January 3-6, 2009, Hyderabad, India. Published as LNCS 5408, pp. 368-376, Springer. PDF.

  • Gosia Wrzesinska, Ana-Maria Oprescu, Thilo Kielmann, and Henri Bal. Persistent Fault-tolerance for Divide-and-Conquer Applications on the Grid. Accepted for publication in the proceedings of The 13th European Conference on Parallel and Distributed Computing (Euro-PAR 2007), Rennes, France, August 2007 and in the proceedings of The ASCI Conference 2007, Heijden, The Netherlands, June 2007. PDF

  • Ana-Maria Oprescu. Replicated Method Invocation with Matrix Time Stamps. Supervisor: Thilo Kielmann, Co-supervisor: Jason Maassen. Master Thesis - Magna Cum Laudae, Vrije Universiteit Amsterdam, The Netherlands, August 2006. PDF

  • Rob van Nieuwpoort, Jason Maassen, Andrei Agapi, Ana-Maria Oprescu and Thilo Kielmann. Experiences Deploying Parallel Applications on a large-scale Grid. EXPGRID - Experimental Grid testbeds for the assessment of large-scale distributed applications and tools, workshop held in conjunction with HPDC-15, Paris, France, June 2006. PDF

  • Stevens Le Blond, Ana-Maria Oprescu, Chen Zhang. Early Application Experience with the Grid Application Toolkit (GAT). Workshop on Grid Applications: From Early Adopters to Mainstream Users, GGF-14, Chicago, IL, USA, June 2004. Published as GGF document GFD.68, Global Grid Forum, 2006. PDF

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