Contact
Office: Olin 208, Denison University, Granville, OH
Email: 
Phone: 740-587-8602
News
My paper with Lam Do, Oghap Kim, and Chloe Chai won Best Paper at SSDBM 2025.
The author website for my new book Mathematical Foundations of Computer Science is live with full PDF and instructor materials.
Check out the games designed by my Game Design students.
You can find out about the Denison Spring Programming Contest here.
Research
Here are my recent publications (full list).
The Power of Two: Simplified User Interaction for the Indistinguishability Query, Lam Do, Oghap Kim, Chloe Chai, Ashwin Lall. In Proceedings of the 37th International Conference on Scalable Scientific Data Management (SSDBM-25), Columbus, OH, USA, 2025. Best Paper Award
The Indistinguishability Query, Ashwin Lall. In Proceedings of 2024 International Conference on Data Engineering (ICDE-24), Utrecht, Netherlands, 2024.
Accessible Streaming Algorithms for the Chi-Square Test, Emily Farrow, Junbo Li, Farhan Zaki, Ashwin Lall. In Proceedings of 2020 Scientific and Statistical Database Management Conference (SSDBM-20), Vienna, Austria, 2020.
An Experimental Survey of Regret Minimization Query and Variants: Bridging the Best Worlds between Top-k Query and Skyline Query, Min Xie, Raymond Chi-Wing Wong, Ashwin Lall, VLDB Journal 29(1): 147-175 (2020).
Strongly Truthful Interactive Regret Minimization, Min Xie, Raymond Chi-Wing Wong, Ashwin Lall. In Proceedings of 2019 International Conference on Management of Data (SIGMOD-19), Amsterdam, Netherlands, 2019.
Efficient k-Regret Query Algorithm with Restriction-free Bound for any Dimensionality, Min Xie, Raymond Chi-Wing Wong, Jian Li, Cheng Long, Ashwin Lall. In Proceedings of 2018 International Conference on Management of Data (SIGMOD-18), Houston, TX, USA, 2018.