I am a Ph.D. student at UWaterloo advised by Prof. Semih Salihoglu. I am a member of the Data Systems Group and I work on Graphflow, an active graph database.

Email / Résumé / Github / Twitter

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Research Interests

I am interested in various models and applications of data systems. My current work focuses on optimizations for query execution and development of auxiliary data structures to evaluate graph database queries efficiently.

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Publications [Google Scholar]

• The Ubiquity of Large Graphs and Surprising Challenges of Graph Processing: A User Survey
  Siddhartha Sahu, Amine Mhedhbi, Semih Salihoglu, Jimmy Lin, M. Tamer Özsu. In Proc. International Conference on Very Large Data Bases (VLDB), Rio de Janeiro, August 2018. Best Paper Award.
• Graphflow: An Active Graph Database
  Chathura Kankanamge, Siddhartha Sahu, Amine Mhedhbi, Jeremy Chen, and Semih Salihoglu. In Proc. ACM SIGMOD International Conference on Management of Data (SIGMOD) (Demonstration Track), May 2017

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Professional & Research Experiences

• Technology Analyst Intern, Corporate & Investment Banking
  Société Générale (May 2016 - Aug. 2016)


• Software Engineering Intern, Research & Development
  Ericsson (Sep. 2015 - Mar. 2016)


• Research Assistant, Optical Networks-on-chip (ONoC)
  Advisor: Prof. Jelena Trajkovic
  Concordia University (May 2015 - Aug. 2015)


• Research Intern, Signal Processing
  Advisors: Prof. William E. Lynch & Prof. Glenn Cowan
  Thales Group & Concordia University (Nov. 2013 - Nov. 2014)


• Software Engineering Intern, Android Team
  Immersion Corporation (Sep. 2013 - Dec. 2013, May 2014 - Aug. 2014)

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Teaching Assistanships

• CS 348 - Introduction to Database Management
• University of Waterloo (Fall 2018)
• CS 338 - Computer Applications in Business: Databases
• University of Waterloo (Summer 2017, Fall 2017, Winter 2018 & Summer 2018)
• CS 115 - Introduction to Computer Science 1
• University of Waterloo (Fall 2016 & Winter 2017)
• ELEC/COEN 390 - Engineering Team Design Project
• Concordia University (Fall 2015 & Winter 2016)

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Awards and Scholarships

• Cheriton Symposium Poster Presentation - 1st Place, University of Waterloo, 2018
• David R. Cheriton Scholarship, University of Waterloo, 2017-2019
• SIGMOD 2017 Travel Award, SIGMOD, 2017
• Graduate Entrance Scholarship, University of Waterloo, 2016-2017
• Senior Engineering Design Project Award, Concordia University, 2015-2016
• Junior Engineering Design Project Award, Concordia University, 2014-2015
• Dean's List, Engineering & Computer Science, Concordia University, 2012-2014