Hangdong Zhao

24 papers A* 2A 3Journal 18Unranked 1
YearRankTypeTitle / Venue / Authors
2026 J jnl
Conjunctive Queries with Negation and Aggregation: A Linear Time Characterization.
ACM Trans. Database Syst.
Hangdong Zhao, Austen Z. Fan, Xiating Ouyang, Paraschos Koutris
2026 A conf
I Can't Believe It's Not Yannakakis: Pragmatic Bitmap Filters in Microsoft SQL Server.
CIDR
Hangdong Zhao, Yuanyuan Tian, Rana Alotaibi, Bailu Ding, Nicolas Bruno, Jesús Camacho-Rodríguez, Vassilis Papadimos, Ernesto Cervantes Juárez, César A. Galindo-Legaria, Carlo Curino
2026 J jnl
xBound: Join Size Lower Bounds.
CoRR
Mihail Stoian, Tiemo Bang, Hangdong Zhao, Jesús Camacho-Rodríguez, Yuanyuan Tian, Andreas Kipf
2025 J jnl
Circuit Bounds for Conjunctive Queries with Self-joins.
Proc. ACM Manag. Data
Austen Z. Fan, Paraschos Koutris, Hangdong Zhao
2025 J jnl
FlowLog: Efficient and Extensible Datalog via Incrementality.
CoRR
Hangdong Zhao, Zhenghong Yu, Srinag Rao, Simon Frisk, Zhiwei Fan, Paraschos Koutris
2025 J jnl
FlowLog: Efficient and Extensible Datalog via Incrementality.
Proc. VLDB Endow.
Hangdong Zhao, Zhenghong Yu, Srinag Rao, Simon Frisk, Zhiwei Fan, Paraschos Koutris
2025 J jnl
One Join Order Does Not Fit All: Reducing Intermediate Results with Per-Split Query Plans.
CoRR
Yujun He, Hangdong Zhao, Simon Frisk, Yifei Yang, Kevin Kristensen, Paraschos Koutris, Xiangyao Yu
2025 J jnl
Space-Time Tradeoffs for Conjunctive Queries with Access Patterns.
ACM Trans. Database Syst.
Hangdong Zhao, Shaleen Deep, Paraschos Koutris
2025 A conf
The Quest for Faster Join Algorithms (Invited Talk).
ICDT
Paraschos Koutris, Shaleen Deep, Austen Z. Fan, Hangdong Zhao
2024 J jnl
Conjunctive Queries with Negation and Aggregation: A Linear Time Characterization.
Proc. ACM Manag. Data
Hangdong Zhao, Austen Z. Fan, Xiating Ouyang, Paraschos Koutris
2024 J jnl
Evaluating Datalog over Semirings: A Grounding-based Approach.
CoRR
Hangdong Zhao, Shaleen Deep, Paraschos Koutris, Sudeepa Roy, Val Tannen
2024 J jnl
Evaluating Datalog over Semirings: A Grounding-based Approach.
Proc. ACM Manag. Data
Hangdong Zhao, Shaleen Deep, Paraschos Koutris, Sudeepa Roy, Val Tannen
2024 — conf
Evaluating Datalog via Structure-Aware Rewriting.
Datalog
Hangdong Zhao, Paraschos Koutris, Shaleen Deep
2024 J jnl
Output-sensitive Conjunctive Query Evaluation.
CoRR
Shaleen Deep, Hangdong Zhao, Austen Z. Fan, Paraschos Koutris
2024 J jnl
Output-sensitive Conjunctive Query Evaluation.
Proc. ACM Manag. Data
Shaleen Deep, Hangdong Zhao, Austen Z. Fan, Paraschos Koutris
2024 A conf
Predicate Transfer: Efficient Pre-Filtering on Multi-Join Queries.
CIDR
Yifei Yang, Hangdong Zhao, Xiangyao Yu, Paraschos Koutris
2024 J jnl
Tight Bounds of Circuits for Sum-Product Queries.
Proc. ACM Manag. Data
Austen Z. Fan, Paraschos Koutris, Hangdong Zhao
2023 J jnl
Conjunctive Queries with Negation and Aggregation: A Linear Time Characterization.
CoRR
Hangdong Zhao, Austen Z. Fan, Xiating Ouyang, Paraschos Koutris
2023 J jnl
Predicate Transfer: Efficient Pre-Filtering on Multi-Join Queries.
CoRR
Yifei Yang, Hangdong Zhao, Xiangyao Yu, Paraschos Koutris
2023 A* conf
Space-Time Tradeoffs for Conjunctive Queries with Access Patterns.
PODS
Hangdong Zhao, Shaleen Deep, Paraschos Koutris
2023 J jnl
Space-Time Tradeoffs for Conjunctive Queries with Access Patterns.
CoRR
Hangdong Zhao, Shaleen Deep, Paraschos Koutris
2023 A* conf
The Fine-Grained Complexity of Boolean Conjunctive Queries and Sum-Product Problems.
ICALP
Austen Z. Fan, Paraschos Koutris, Hangdong Zhao
2023 J jnl
The Fine-Grained Complexity of Boolean Conjunctive Queries and Sum-Product Problems.
CoRR
Austen Z. Fan, Paraschos Koutris, Hangdong Zhao
2021 J jnl
On Architecture Selection for Linear Inverse Problems with Untrained Neural Networks.
Entropy
Yang Sun, Hangdong Zhao, Jonathan Scarlett