Reducing Multidatabase Query Response Time By Tree Balancing
Summary: Two-phase optimization for multidatabase queries: build an optimal left-deep join tree, then balance with simple transformations for lower latency. Balancing lowers response time and resource use for sort-merge/hash-join plans, with low overhead. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Weimin Du
- 2. Ming-Chien Shan
- 3. Umeshwar Dayal
Incoming Citations (Sorted by Pagerank)
Showing 3 of 3 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 457 | Cost-based Query Scrambling for Initial Delays | 1998 | SIGMOD | 0.00022699974 |
| 4,203 | Cost Models DO Matter: Providing Cost Information for Diverse Data Sources in a Federated System | 1999 | VLDB | 6.3561618e-05 |
| 4,503 | Of Snowstorms and Bushy Trees | 2014 | VLDB | 6.131076e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 6 of 6 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 1 | Access Path Selection in a Relational Database Management System | 1979 | SIGMOD | 0.0040465394 |
| 166 | Federated Database Systems for Managing Distributed, Heterogeneous, and Autonomous Databases | 1991 | VLDB | 0.00039467886 |
| 400 | Randomized Algorithms For Optimizing Large Join Queries | 1990 | SIGMOD | 0.00024308369 |
| 806 | Exploiting Inter-Operation Parallelism in XPRS | 1992 | SIGMOD | 0.00016428214 |
| 1,846 | Query Optimization in Heterogeneous DBMS | 1992 | VLDB | 0.00010338936 |
| 2,392 | Processing Queries Over Generalization Hierarchies in a Multidatabase System | 1983 | VLDB | 8.8934863e-05 |
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Semantically Similar Papers
| Overall Rank | Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 10,104 | Query Optimization for Database-Returning Queries | 2026 | SIGMOD | 4.1905499e-05 |
| 7,829 | Optimization of Multiple-Relation Multiple-Disjunct Queries | 1988 | PODS | 4.6373918e-05 |
| 4,255 | Parallelizing Query Optimization | 2008 | VLDB | 6.3080082e-05 |
| 144 | Optimization of Nonrecursive Queries | 1986 | VLDB | 0.00041430126 |
| 1,851 | Using Segmented Right-Deep Trees for the Execution of Pipelined Hash Joins | 1992 | VLDB | 0.00010326646 |
| 13,043 | Using Semiouterjoins to Process Queries in Multidatabase Systems | 1984 | PODS | 4.1905499e-05 |
| 439 | Query Optimization for Parallel Execution | 1992 | SIGMOD | 0.00023183237 |
| 2,281 | Adopting Worst-Case Optimal Joins in Relational Database Systems | 2020 | VLDB | 9.122455e-05 |
| 2,051 | Optimization of Multi-Way Join Queries for Parallel Execution | 1991 | VLDB | 9.6871984e-05 |
| 1,063 | Tradeoffs in Processing Complex Join Queries via Hashing in Multiprocessor Database Machines | 1990 | VLDB | 0.00014352292 |