Hangdong Zhao

According to our database, Hangdong Zhao authored at least 17 papers between 2021 and 2026.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2026

Output-Optimal Evaluation of Conjunctive Queries.

Xiao Hu, Shaleen Deep, Paraschos Koutris, Austen Z. Fan, Hangdong Zhao

SIGMOD Rec., March, 2026

xBound: Join Size Lower Bounds.

Mihail Stoian, Tiemo Bang, Hangdong Zhao, Jesús Camacho-Rodríguez, Yuanyuan Tian, Andreas Kipf

CoRR, January, 2026

Demo of SemWeave: Semantic Common Expressions for LLM-powered Query Processing.

Md. Tareq Mahmood, K. Venkatesh Emani, Hangdong Zhao, Shivaram Venkataraman

Proceedings of the Companion of the International Conference on Management of Data, 2026

I Can't Believe It's Not Yannakakis: Pragmatic Bitmap Filters in Microsoft SQL Server.

Hangdong Zhao, Yuanyuan Tian, Rana Alotaibi, Bailu Ding, Nicolas Bruno, Jesús Camacho-Rodríguez, Vassilis Papadimos, Ernesto Cervantes Juárez, César A. Galindo-Legaria, Carlo Curino

Proceedings of the 16th Conference on Innovative Data Systems Research, 2026

2025

FlowLog: Efficient and Extensible Datalog via Incrementality.

Hangdong Zhao, Zhenghong Yu, Srinag Rao, Simon Frisk, Zhiwei Fan, Paraschos Koutris

Proc. VLDB Endow., November, 2025

One Join Order Does Not Fit All: Reducing Intermediate Results with Per-Split Query Plans.

Yujun He, Hangdong Zhao, Simon Frisk, Yifei Yang, Kevin Kristensen, Paraschos Koutris, Xiangyao Yu

CoRR, October, 2025

Circuit Bounds for Conjunctive Queries with Self-joins.

Austen Z. Fan, Paraschos Koutris, Hangdong Zhao

Proc. ACM Manag. Data, May, 2025

The Quest for Faster Join Algorithms (Invited Talk).

Paraschos Koutris, Shaleen Deep, Austen Z. Fan, Hangdong Zhao

Proceedings of the 28th International Conference on Database Theory, 2025

2024

Output-sensitive Conjunctive Query Evaluation.

Shaleen Deep, Hangdong Zhao, Austen Z. Fan, Paraschos Koutris

Proc. ACM Manag. Data, November, 2024

Conjunctive Queries with Negation and Aggregation: A Linear Time Characterization.

Hangdong Zhao, Austen Z. Fan, Xiating Ouyang, Paraschos Koutris

Proc. ACM Manag. Data, 2024

Evaluating Datalog over Semirings: A Grounding-based Approach.

Hangdong Zhao, Shaleen Deep, Paraschos Koutris, Sudeepa Roy, Val Tannen

Proc. ACM Manag. Data, 2024

Tight Bounds of Circuits for Sum-Product Queries.

Austen Z. Fan, Paraschos Koutris, Hangdong Zhao

Proc. ACM Manag. Data, 2024

Evaluating Datalog via Structure-Aware Rewriting.

Hangdong Zhao, Paraschos Koutris, Shaleen Deep

Proceedings of the Proceedings 5th International Workshop on the Resurgence of Datalog in Academia and Industry (Datalog-2.0 2024) co-located with the 17th International Conference on Logic Programming and Nonmonotonic Reasoning (LPNMR 2024), 2024

Predicate Transfer: Efficient Pre-Filtering on Multi-Join Queries.

Yifei Yang, Hangdong Zhao, Xiangyao Yu, Paraschos Koutris

Proceedings of the 14th Conference on Innovative Data Systems Research, 2024

2023

Space-Time Tradeoffs for Conjunctive Queries with Access Patterns.

Hangdong Zhao, Shaleen Deep, Paraschos Koutris

Proceedings of the 42nd ACM SIGMOD-SIGACT-SIGAI Symposium on Principles of Database Systems, 2023

The Fine-Grained Complexity of Boolean Conjunctive Queries and Sum-Product Problems.

Austen Z. Fan, Paraschos Koutris, Hangdong Zhao

Proceedings of the 50th International Colloquium on Automata, Languages, and Programming, 2023

2021

On Architecture Selection for Linear Inverse Problems with Untrained Neural Networks.

Yang Sun, Hangdong Zhao, Jonathan Scarlett

Entropy, 2021