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Query Optimization in Heterogeneous DBMS

Summary: Extends query optimization to heterogeneous, autonomous DBMS by calibrating cost models when vendors won't share internal parameters. Introduces a synthetic calibrating DB to tackle unpredictability; evaluated on Allbase, DB2, Informix with ~80% accurate estimates. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
8077
Venue
VLDB
Year
1992
Pagerank
0.00010349298
Overall Rank
1,839 | 87.21%
DOI
-

Incoming Non-self Citations Over Time

Authors

Incoming Citations (Sorted by Pagerank)

Showing 15 of 15 citing papers.

Rank Citing Paper Year Venue Pagerank
151 Optimizing Queries across Diverse Data Sources 1997 VLDB 0.00041016476
2,086 Practical Predicate Placement 1994 SIGMOD 9.5779956e-05
3,710 Optimizing Analytic Data Flows for Multiple Execution Engines 2012 SIGMOD 6.8238962e-05
4,202 Cost Models DO Matter: Providing Cost Information for Diverse Data Sources in a Federated System 1999 VLDB 6.36184e-05
4,241 Calibrating the Query Optimizer Cost Model of IRO-DB, an Object-Oriented Federated Database System 1996 VLDB 6.3317303e-05
4,722 Reducing Multidatabase Query Response Time By Tree Balancing 1995 SIGMOD 5.9717332e-05
5,329 Heterogeneous Database Query Optimization in DB2 Universal DataJoiner 1998 VLDB 5.5665399e-05
6,278 Uncertainty Aware Query Execution Time Prediction 2014 VLDB 5.1309442e-05
6,655 Efficient Evaluation of Queries in a Mediator for WebSources 2002 SIGMOD 4.9724958e-05
6,682 Adaptable Query Optimization and Evaluation in Temporal Middleware 2001 SIGMOD 4.9639791e-05
6,806 Query Optimization over Crowdsourced Data 2013 VLDB 4.9218336e-05
7,616 SkyQuery: A Web Service Approach to Federate Databases 2003 CIDR 4.6945188e-05
8,165 Progressive Optimization in a Shared-Nothing Parallel Database 2007 SIGMOD 4.5717277e-05
10,726 Improving DBMS Scheduling Decisions with Accurate Performance Prediction on Concurrent Queries 2025 VLDB 4.1945683e-05
12,742 nD-SQL: A Multi-dimensional Language for Interoperability and OLAP 1998 VLDB 4.1945683e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 4 of 4 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 0.0040449103
10 Benchmarking Database Systems: A Systematic Approach 1983 VLDB 0.0012103754
143 Optimization of Nonrecursive Queries 1986 VLDB 0.00041510555
438 Query Optimization for Parallel Execution 1992 SIGMOD 0.00023199245
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