Ashraf Aboulnaga | Hamad Bin Khalifa University
Hamad Bin Khalifa University


Ashraf Aboulnaga

Dr. Ashraf Aboulnaga (PhD)

Senior Research Director
Data Analytics
Qatar Computing Research Institute

  • Phone+974 4454 1426

"QCRI is an ambitious and energetic place that is on track to become a top research center worldwide. I want to be part of making that happen."

Research Interests

At QCRI, Dr. Aboulnaga focuses his research on cloud computing and distributed systems.


Dr Ashraf Aboulnaga joined QCRI in 2013. Previously he was Associate Professor at the University of Waterloo in Canada. He also worked as a research staff member at the IBM Almaden Research Center in San Jose, USA, and was a visiting scientist at Google. Dr. Aboulnaga's research interests are in the areas of data intensive cloud computing and distributed systems. He has received multiple awards including the Ontario Early Researcher Award, a Google Research Award, two awards from the IBM Centre for Advanced Studies (CAS) in Toronto for Project of the Year (2008) and Innovation Impact of the Year (2009). Dr. Aboulnaga received best paper awards at the ACM Symposium on Cloud Computing (SoCC) in 2015, and at the International Conference on Very Large Data Bases (VLDB) in 2011. He is an IEEE Senior Member and an ACM Distinguished Scientist.

Associate Professor

University of Waterloo, Waterloo, Ontario, Canada, Cheriton School of Computer Science.

  • Visiting Research Scientist

    Google, Waterloo, Ontario, Canada

    December 2009–June 2010.
  • Research Staff Member

    IBM Almaden Research Center, San Jose, California, USA

  • Research Assistant

    University of Wisconsin, Madison, Wisconsin, USA.

  • Teaching Assistant

    University of Wisconsin, Madison, Wisconsin, USA.

  • Researcher Intern

    Microsoft Research, Redmond, Washington, USA.

    May–August 1999 and May–August 1998.
  • Lecturer

    Alexandria University, Alexandria, Egypt.




University of Wisconsin - Madison

  • MS

    University of Wisconsin - Madison

  • MS

    Alexandria University, Egypt

  • BS

    Alexandria University, Egypt,


Selected Publications

  • Carlos H. C. Teixeira, Alexandre J. Fonseca, Marco Serafini, Georgos Siganos, Mohammed J. Zaki, and Ashraf Aboulnaga.

    "Arabesque: A System for Distributed Graph Mining." In Proceedings of the ACM Symposium on Operating Systems Principles (SOSP),

    October 2015
  • Rui Liu, Ashraf Aboulnaga, and Kenneth Salem.

    "DAX: A Widely Distributed Multi-tenant Storage Service for DBMS Hosting." Proceedings of the VLDB Endowment (PVLDB), volume 6, number 4, 2013. Presented at the International Conference on Very Large Data Bases (VLDB '13), Riva del Garda, Italy,

    August 2013
  • Jingen Xiang, Cong Guo, and Ashraf Aboulnaga.

    "Scalable Maximum Clique Computation Using MapReduce." IEEE International Conference on Data Engineering (ICDE '13), Brisbane, Australia, pages 74-85,

    April 2013
  • Iman Elghandour, Ashraf Aboulnaga, Daniel C. Zilio, and Calisto Zuzarte.

    "Recommending XML Physical Designs for XML Databases." The VLDB Journal (VLDBJ),

  • Umar Farooq Minhas, Shriram Rajagopalan, Brendan Cully, Ashraf Aboulnaga, Kenneth Salem, and Andrew Warfield.

    "RemusDB: Transparent High Availability for Database Systems." The VLDB Journal (VLDBJ), volume 22, number 1, pages 29-45,

    February 2013
  • Iman Elghandour and Ashraf Aboulnaga.

    "ReStore: Reusing Results of MapReduce Jobs." Proceedings of the VLDB Endowment (PVLDB), volume 5, number 6, pages 586-597, February 2012. Presented at the International Conference on Very Large Data Bases (VLDB '12), Istanbul, Turkey,

    August 2012