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Optimizing Queries across Diverse Data Sources

Summary: Garlic's optimizer extends rule-based query optimization to heterogeneous data sources using wrapper-provided capabilities and middleware rules. Improves plan quality, enables incremental deployment, and models diverse source capabilities. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
8428
Venue
VLDB
Year
1997
Pagerank
0.00041016476
Overall Rank
151 | 98.96%
DOI
-

Incoming Non-self Citations Over Time

Authors

Incoming Citations (Sorted by Pagerank)

Showing 50 of 53 citing papers.

Rank Citing Paper Year Venue Pagerank
94 CrowdDB: Answering Queries with Crowdsourcing 2011 SIGMOD 0.00051013264
115 Eddies: Continuously Adaptive Query Processing 2000 SIGMOD 0.00046221215
208 Reconciling Schemas of Disparate Data Sources: A Machine-Learning Approach 2001 SIGMOD 0.0003460594
346 Don't Scrap It, Wrap It! A Wrapper Architecture for Legacy Data Sources 1997 VLDB 0.00026656272
394 An Adaptive Query Execution System for Data Integration* 1999 SIGMOD 0.00024460855
587 Extracting Structured Data from Web Pages 2003 SIGMOD 0.00019648348
870 Query Optimization in the Presence of Limited Access Patterns 1999 SIGMOD 0.00015771912
893 Data Integration: The Teenage Years 2006 VLDB 0.00015558352
1,025 WSQ/DSQ: A Practical Approach for Combined Querying of Databases and the Web* 2000 SIGMOD 0.00014603741
1,081 Catching the Boat with Strudel: Experiences with a Web-Site Management System 1998 SIGMOD 0.00014216794
1,198 Crossing the Structure Chasm 2003 CIDR 0.00013366708
1,630 Garlic: A New Flavor of Federated Query Processing for DB2 2002 SIGMOD 0.0001108111
1,779 E-Services: A Look Behind the Curtain 2003 PODS 0.00010581176
2,069 System RX: One Part Relational, One Part XML 2005 SIGMOD 9.6329563e-05
2,216 On Parallel Processing of Aggregate and Scalar Functions in Object-Relational DBMS 1998 SIGMOD 9.2699038e-05
2,284 Cost-Based Optimization of Decision Support Queries using Transient-Views 1998 SIGMOD 9.1053836e-05
2,323 Mind Your Vocabulary: Query Mapping Across Heterogeneous Information Sources 1999 SIGMOD 9.0334169e-05
2,399 Query Rewriting for Semistructured Data 1999 SIGMOD 8.8973689e-05
2,492 Partial Results for Online Query Processing 2002 SIGMOD 8.6526489e-05
2,730 Open Data Integration 2018 VLDB 8.2126735e-05
2,952 On Wrapping Query Languages and Efficient XML Integration 2000 SIGMOD 7.8300484e-05
3,017 Enterprise Information Integration: Successes, Challenges and Controversies 2005 SIGMOD 7.7028124e-05
3,168 Query Containment for Data Integration Systems 2000 PODS 7.4508875e-05
3,330 Adapting to Source Properties in Processing Data Integration Queries 2004 SIGMOD 7.2150831e-05
3,832 Describing and Using Query Capabilities of Heterogeneous Sources 1997 VLDB 6.7178862e-05
4,202 Cost Models DO Matter: Providing Cost Information for Diverse Data Sources in a Federated System 1999 VLDB 6.36184e-05
4,310 Integrating Heterogeneous Overlapping Databases Through Object-Oriented Transformations 1999 VLDB 6.2885419e-05
4,357 Loading a Cache with Query Results 1999 VLDB 6.2574559e-05
4,647 Capability Based Mediation in TSIMMIS 1998 SIGMOD 6.0249946e-05
5,174 Mapping Maintenance for Data Integration Systems 2005 VLDB 5.6443463e-05
5,329 Heterogeneous Database Query Optimization in DB2 Universal DataJoiner 1998 VLDB 5.5665399e-05
5,402 Towards Scalable Hybrid Stores: Constraint-Based Rewriting to the Rescue 2019 SIGMOD 5.5278023e-05
5,471 Answering Queries Using Views with Arithmetic Comparisons 2002 PODS 5.4888202e-05
5,547 Network-Aware Query Processing for Stream-based Applications 2004 VLDB 5.4457955e-05
5,761 Capturing both Types and Constraints in Data Integration 2003 SIGMOD 5.3377412e-05
6,196 Just-in-time Data Integration in Action 2010 VLDB 5.1614813e-05
6,567 Generating Efficient Plans for Queries Using Views 2001 SIGMOD 5.0069599e-05
6,655 Efficient Evaluation of Queries in a Mediator for WebSources 2002 SIGMOD 4.9724958e-05
6,806 Query Optimization over Crowdsourced Data 2013 VLDB 4.9218336e-05
7,213 SmartCIS: Integrating Digital and Physical Environments 2009 SIGMOD 4.7989853e-05
7,523 The Nimble Integration Engine 2001 SIGMOD 4.7180617e-05
7,953 Shasta: Interactive Reporting At Scale 2016 SIGMOD 4.613363e-05
8,022 FORWARD: Data-Centric UIs using Declarative Templates that Efficiently Wrap Third-Party JavaScript Components 2014 VLDB 4.6038333e-05
9,180 MOCHA: A Self-Extensible Database Middleware System for Distributed Data Sources 2000 SIGMOD 4.3819656e-05
9,259 Materializing Views with Minimal Size To Answer Queries 2003 PODS 4.3690661e-05
9,917 Check Out the Big Brain on BRAD: Simplifying Cloud Data Processing with Learned Automated Data Meshes 2023 VLDB 4.2561557e-05
9,922 Request Window: an Approach to Improve Throughput of RDBMS-based Data Integration System by Utilizing Data Sharing Across Concurrent Distributed Queries 2007 VLDB 4.2549509e-05
12,422 The Data Ring: Community Content Sharing 2007 CIDR 4.1945683e-05
12,675 HyperQueries: Dynamic Distributed Query Processing on the Internet 2001 VLDB 4.1945683e-05
12,695 Approximate Query Translation Across Heterogeneous Information Sources 2000 VLDB 4.1945683e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 15 of 15 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
127 Querying Heterogeneous Information Sources Using Source Descriptions 1996 VLDB 0.00044642203
132 The EXODUS Optimizer Generator 1987 SIGMOD 0.00042994082
219 Grammar-like Functional Rules for Representing Query Optimization Alternatives 1988 SIGMOD 0.00033244259
307 Extensible Query Processing in Starburst 1989 SIGMOD 0.00028211308
346 Don't Scrap It, Wrap It! A Wrapper Architecture for Legacy Data Sources 1997 VLDB 0.00026656272
421 Query Optimization in the Presence of Foreign Functions 1993 VLDB 0.00023711553
976 Answering Queries Using Limited External Query Processors 1996 PODS 0.0001489085
1,321 Intelligent Integration of Information 1993 SIGMOD 0.0001261238
1,839 Query Optimization in Heterogeneous DBMS 1992 VLDB 0.00010349298
2,344 Performance Tradeoffs for Client-Server Query Processing 1996 SIGMOD 8.9992357e-05
2,391 Processing Queries Over Generalization Hierarchies in a Multidatabase System 1983 VLDB 8.9022915e-05
3,404 EROC: A Toolkit for Building NEATO Query Optimizers 1996 VLDB 7.1321923e-05
4,099 Implementing an Interpreter for Functional Rules in a Query Optimizer 1988 VLDB 6.4545871e-05
4,241 Calibrating the Query Optimizer Cost Model of IRO-DB, an Object-Oriented Federated Database System 1996 VLDB 6.3317303e-05
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2,854 The Garlic Project 1996 SIGMOD 8.0103732e-05
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4,310 Integrating Heterogeneous Overlapping Databases Through Object-Oriented Transformations 1999 VLDB 6.2885419e-05
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4,357 Loading a Cache with Query Results 1999 VLDB 6.2574559e-05
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