Publications
  1. Mohammad Malkawi, Mohammad Al-Haj Hasan, Osama Al-Haj Hasan, A New Exam Scheduling Algorithm Using Graph Coloring. The International Arab Conference on Information Technology (ACIT), Amman, Jordan, 2006.


  2. Greg Silver, Osama Al-Haj Hassan, John Miller, "From Domain Ontologies to Modeling Ontologies to Executable Simulation Models", Proceeding of the 2007 Winter Simulation Conference, Washington D.C., USA, 2007.


  3. Osama Al-Haj Hassan, Lakshmish Ramaswamy; "Message Replication in Unstructured Peer to Peer Network", International Conference on Collaborative Computing: Networking, Applications and Worksharing, NewYork, USA, 2007.


  4. Osama Al-Haj Hassan, Lakshmish Ramaswamy, John Miller, Khaled Rasheed, E.Rodney Canfield; "Replication in Overlay Networks: A Multi-objective Optimization Approach", International Conference on Collaborative Computing: Networking, Applications and Worksharing, Florida, USA, 2008.


  5. Osama Al-Haj Hassan, Lakshmish Ramaswamy and John A. Miller; "MACE: A Dynamic Caching Framework for Mashups". IEEE 7th International Conference on Web Services (ICWS-2009), July 2009 (Acceptance Rate: 15.6%).


  6. Osama Al-Haj Hassan, Lakshmish Ramaswamy and John A. Miller; "Enhancing Scalability and Performance of Mashups through Merging and Operator Reordering". IEEE 8th International Conference on Web Services (ICWS-2010), July 2010 (Acceptance Rate: 17.6%).

  7. Osama Al-Haj Hassan, Lakshmish Ramaswamy and John A. Miller; "CoMaP: A Cooperative Overlay-based Mashup Platform". 18th International Conference on Cooperative Information Systems (CoopIS 2010), October 2010

  8. Osama Al-Haj Hassan, Lakshmish Ramaswamy and John A. Miller, "The MACE Approach for Caching Mashups", International Journal of Web Services Research (JWSR), Vol. X, No. X (2010) pp. X-X. (Accepted).

  9. Osama Al-Haj Hassan. Scalability and Efficiency in Personalized Web Services. Ph.D. dissertation, University of Georgia, 2010.