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iMAP: Discovering Complex Semantic Matches between Database Schemas

Summary: iMAP semi-automates schema matching beyond 1-1 by exploring a large/infinite space for complex matches (e.g., address = concat(city, state)). It uses specialized searchers, domain knowledge, integrity constraints, and overlap data, with explanations to justify matches and accelerate convergence on real-world schemas. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
3535
Venue
SIGMOD
Year
2004
Pagerank
9.3584357e-05
Overall Rank
2,183 | 84.83%
DOI
-

Incoming Non-self Citations Over Time

Authors

Incoming Citations (Sorted by Pagerank)

Showing 16 of 16 citing papers.

Rank Citing Paper Year Venue Pagerank
1,124 How to ConQueR Why-Not Questions 2010 SIGMOD 0.00013832959
1,761 Tuning Schema Matching Software using Synthetic Scenarios 2005 VLDB 0.00010637364
1,862 Bootstrapping Pay-As-You-Go Data Integration Systems 2008 SIGMOD 0.00010292134
3,232 InfoGather+: Semantic Matching and Annotation of Numeric and Time-Varying Attributes in Web Tables 2013 SIGMOD 7.3324293e-05
3,329 Multi-column Substring Matching for Database Schema Translation 2006 VLDB 7.2120421e-05
3,738 Auto-Join: Joining Tables by Leveraging Transformations 2017 VLDB 6.8006812e-05
3,993 Discovering Linkage Points over Web Data 2013 VLDB 6.5483476e-05
5,096 Auto-Transform: Learning-to-Transform by Patterns 2020 VLDB 5.6960764e-05
5,176 Mapping Maintenance for Data Integration Systems 2005 VLDB 5.6389361e-05
6,289 Putting Context into Schema Matching 2006 VLDB 5.1226008e-05
6,411 Synthesizing Type-Detection Logic for Rich Semantic Data Types using Open-source Code 2018 SIGMOD 5.0675656e-05
6,468 Explain3D: Explaining Disagreements in Disjoint Datasets 2019 VLDB 5.0448709e-05
7,005 Synthesizing Products for Online Catalogs 2011 VLDB 4.8607239e-05
7,659 Just-In-Time Query Retrieval Over Partially Indexed Data on Structured P2P Overlays 2008 SIGMOD 4.6817213e-05
8,604 Extending Relational Query Optimization to Dynamic Schemas for Information Integration in Multidatabases 2007 SIGMOD 4.4817085e-05
8,825 Analyzing and Revising Data Integration Schemas to Improve Their Matchability 2008 VLDB 4.4371579e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 10 of 10 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
47 Data Integration: A Theoretical Perspective 2002 PODS 0.00069691761
207 Reconciling Schemas of Disparate Data Sources: A Machine-Learning Approach 2001 SIGMOD 0.00034571837
295 Using Schema Matching to Simplify Heterogeneous Data Translation 1998 VLDB 0.00028645757
304 Generic Schema Matching with Cupid 2001 VLDB 0.00028282278
383 COMA - A system for flexible combination of schema matching approaches 2002 VLDB 0.00024802484
481 Mining Database Structure; Or, How to Build a Data Quality Browser 2002 SIGMOD 0.000221538
899 Statistical Schema Matching across Web Query Interfaces 2003 SIGMOD 0.00015476061
915 On Schema Matching with Opaque Column Names and Data Values 2003 SIGMOD 0.00015362622
1,067 Data-Driven Understanding and Refinement of Schema Mappings 2001 SIGMOD 0.00014320456
1,508 Using Schematically Heterogeneous Structures 1998 SIGMOD 0.00011593524
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13,503 U-MAP: A System for Usage-Based Schema Matching and Mapping 2011 SIGMOD -
174 Schema Mapping as Query Discovery 2000 VLDB 0.00038586435
8,824 The Role of Schema Matching in Large Enterprises 2009 CIDR 4.4371579e-05
3,922 On the Complexity of Deriving Schema Mappings from Database Instances 2008 PODS 6.6238781e-05
3,872 Designing and Refining Schema Mappings via Data Examples 2011 SIGMOD 6.6737583e-05
9,661 Meta-Mappings for Schema Mapping Reuse 2019 VLDB 4.306608e-05
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8,825 Analyzing and Revising Data Integration Schemas to Improve Their Matchability 2008 VLDB 4.4371579e-05
6,158 MapMerge: Correlating Independent Schema Mappings 2010 VLDB 5.1753051e-05