• Scientific Advisor, Peerialism AB, Cairo, Egypt, 2007 to present.

• Researcher, Swedish Institute of Computer (SICS), Stockholm, Sweden, October 2000 to present.

• Assistant Professor, Nile University, Egypt.

Previous employments

• Part-time Researcher, The Central Lab for Agricultural Expert Systems (CLAES), Cairo, Egypt, October 1999 – September 2000.

Education

• Ph.D. in Computer Science, Royal Institute of Technology (KTH), Stockholm, Sweden, 2005.

• Ph.Lic. in Computer Science, Royal Institute of Technology (KTH), Stockholm, Sweden, 2003.

• Master of Science in Computer Science, The American University in Cairo (AUC), Egypt, 2000.

• Bachelor of Science with High Honors, The American University in Cairo (AUC), Egypt Computer Science, Spring 1998.
  

Selected relevant publications

1. Supriya Krishnamurthy, Sameh El-Ansary, Erik Aurell and Seif Haridi, "An Analytical Study of a Structured Overlay in the presence of Dynamic Membership", submitted to the IEEE/ACM Joint Transactions on Networking, 2006. [pdf]

2. Sameh El-Ansary, Designs and Analyses in Structured Peer-to-Peer Systems, (Doctorate of Philosophy disseration thesis), Department of Microelectronics and Information Technology, Royal Institute of Technology (KTH), Stockholm, Sweden, June 2005. [pdf]

3. Sameh El-Ansary and Seif Haridi, "An Overview of Structured Overlay Networks," chapter to appear in the upcoming book Theoretical and Algorithmic Aspects of Sensor, Ad Hoc Wireless and Peer-to-Peer Networks, ed. Prof. Jie Wu, CRC Press, 2005.

4. Supriya Krishnamurthy, Sameh El-Ansary, Erik Aurell and Seif Haridi, "A Statistical Theory of Chord under Churn," The 4th Annual International Workshop on Peer-To-Peer Systems, IPTPS 05, Ithaca, NY, USA, February 2005. [pdf]

5. Sameh El-Ansary, Erik Aurell and Seif Haridi, "A Physics-inspired Performace Evaluation of a Structured Peer-to-Peer Overlay Network," to appear in the International Conference on Parallel and Distributed Computing and Networks (PDCN 2005), Innsbruck, Austria, February 2005. [pdf]

6. Sameh El-Ansary, Donatien Grolaux, Peter Van Roy and Mahmoud Rafea "Overcoming the Multiplicity of Languages and Technologies for Web-based Development Using a Multi-paradigm Approach," The Second International Mozart/Oz Conferenc (MOZ 2004), Charleroi, Belgium, October 2004. [pdf]

7. Sameh El-Ansary, Erik Aurell, Per Brand and Seif Haridi, "Experience with a physics-style approach for the study of self properties in structured overlay networks", Proceedings of SELF-STAR: International Workshop on Self-* Properties in Complex Information Systems, Bertinoro, Italy, May 2004. [pdf]

8. Erik Aurell and Sameh El-Ansary "A Physics-Style Approach to Scalability of Distributed Systems", LNCS Post-Proceedings of the Global Computing 2004 Workshop, Rovereto, Italy, March 2004. [pdf]

9. Ali Ghodsi, Luc Onana Alima, Sameh El-Ansary, Per Brand and Seif Haridi, "Self-Correcting Broadcast in Distributed Hash Tables", The 15th International Conference on Parallel and Distributed Computing and Systems (PDCS 2003), Marina del Rey, CA, USA, November 3-5 2003. [pdf]

10. Sameh El-Ansary, "A Framework for the understanding optimization and design of Structured Peer-To-Peer Systems," (Licentiate of Philosophy disseration thesis), Department of Microelectronics and Information Technology, Royal Institute of Technology (KTH), Stockholm, Sweden, June 2003. [pdf]

11. Luc Onana Alima, Sameh El-Ansary, Per Brand and Seif Haridi, "DKS(n; k; f;) A family of Low-Communication, Scalable and Fault-tolerant Infrastructures for P2P applications," The 3rd International workshop on Global and P2P Computing on Large Scale Distributed Systems (CCGRID 2003), Tokyo, Japan, May 2003. [ps][pdf]

12. Sameh El-Ansary, Luc Onana Alima, Per Brand and Seif Haridi, "Efficient Broadcast in Structured P2P Networks," The 2nd International Workshop On Peer-To-Peer Systems,(IPTPS'03), Berkeley, CA, USA, February 2003. [ps][pdf]

13. Sameh El-Ansary, Luc Onana Alima, Per Brand and Seif Haridi, "A Framework for Peer-To-Peer Lookup Services based on k-ary search," SICS Technical Report T2002-06, Stockholm, Sweden, 2002. [ps][pdf]

14. Sameh El-Ansary and Ahmed Rafea (The American University in Cairo, Egypt), "A Distributed Environment for Development and Deployment of Ontologies of Knowledge-Based Systems," 3rd International Conference on Information Reuse and Integration, IRI-2001, Las Vegas, NV, USA, November 2001.

15. Sameh El-Ansary, "A Distributed Environment for Development and Deployment of Ontologies of Knowledge-Based Systems," (Master of Science thesis), The American University in Cairo, Cairo, Egypt, October 2000. [zipped pdf]