Amine Mhedhbi

I am a Ph.D. student in the Data Systems Group at UWaterloo working with Professor Semih Salihoglu. I work on Graphflow, a new graph database system. My research focuses on developing novel query processing and optimization techniques for graph queries.

Publications

• Integrating Column-Oriented Storage and Query Processing Techniques Into Graph Database Management Systems. P. Gupta, A. Mhedhbi, S. Salihoglu. CoRR 2021.
• Optimizing One-time and Continuous Subgraph Queries using Worst-Case Optimal Joins (Appendix). A. Mhedhbi, C. Kankanamge, S. Salihoglu. TODS 2021.
• A+ Indexes: Tunable and Space-Efficient AdjacencyLists in Graph Database Management Systems. A. Mhedhbi, P. Gupta, S. Khaliq, S. Salihoglu. ICDE 2021.
• LSQB: A Large-Scale Subgraph Query Benchmark. A. Mhedhbi, M. Lissandrini, L. Kuiper, J. Waudby and G. Szárnyas. Graph Data-management Experiences and Systems Workshop (GRADES) 2021.
• Optimizing Subgraph Queries by Combining Binary and Worst-Case Optimal Joins. A. Mhedhbi, S. Salihoglu. PVLDB 2019.
• The Ubiquity of Large Graphs and Surprising Challenges of Graph Processing: Extended Survey. S. Sahu, A. Mhedhbi, S. Salihoglu, J. Lin, M. T. Özsu. VLDBJ 2019.
• The Ubiquity of Large Graphs and Surprising Challenges of Graph Processing (Best Paper Award). S. Sahu, A. Mhedhbi, S. Salihoglu, J. Lin, M. T. Özsu. PVLDB 2018.
• Graphflow: An Active Graph Database. C. Kankanamge, S. Sahu, A. Mhedhbi, J. Chen, and S. Salihoglu. SIGMOD (Demo) 2017.