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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
3534
Venue
SIGMOD
Year
2004
Pagerank
9.3672342e-05
Overall Rank
2,174 | 84.88%
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
1,125 How to ConQueR Why-Not Questions 2010 SIGMOD 0.00013845652
1,762 Tuning Schema Matching Software using Synthetic Scenarios 2005 VLDB 0.00010646894
1,858 Bootstrapping Pay-As-You-Go Data Integration Systems 2008 SIGMOD 0.00010301124
3,229 InfoGather+: Semantic Matching and Annotation of Numeric and Time-Varying Attributes in Web Tables 2013 SIGMOD 7.3393682e-05
3,328 Multi-column Substring Matching for Database Schema Translation 2006 VLDB 7.2174278e-05
3,735 Auto-Join: Joining Tables by Leveraging Transformations 2017 VLDB 6.8061318e-05
3,992 Discovering Linkage Points over Web Data 2013 VLDB 6.5544834e-05
5,096 Auto-Transform: Learning-to-Transform by Patterns 2020 VLDB 5.7011825e-05
5,174 Mapping Maintenance for Data Integration Systems 2005 VLDB 5.6443463e-05
6,290 Putting Context into Schema Matching 2006 VLDB 5.1271647e-05
6,416 Synthesizing Type-Detection Logic for Rich Semantic Data Types using Open-source Code 2018 SIGMOD 5.072267e-05
6,475 Explain3D: Explaining Disagreements in Disjoint Datasets 2019 VLDB 5.0497183e-05
7,006 Synthesizing Products for Online Catalogs 2011 VLDB 4.8653916e-05
7,661 Just-In-Time Query Retrieval Over Partially Indexed Data on Structured P2P Overlays 2008 SIGMOD 4.6862657e-05
8,606 Extending Relational Query Optimization to Dynamic Schemas for Information Integration in Multidatabases 2007 SIGMOD 4.4860094e-05
8,824 Analyzing and Revising Data Integration Schemas to Improve Their Matchability 2008 VLDB 4.4415658e-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
48 Data Integration: A Theoretical Perspective 2002 PODS 0.00069720859
208 Reconciling Schemas of Disparate Data Sources: A Machine-Learning Approach 2001 SIGMOD 0.0003460594
294 Using Schema Matching to Simplify Heterogeneous Data Translation 1998 VLDB 0.00028669519
303 Generic Schema Matching with Cupid 2001 VLDB 0.00028301477
382 COMA - A system for flexible combination of schema matching approaches 2002 VLDB 0.00024823252
475 Mining Database Structure; Or, How to Build a Data Quality Browser 2002 SIGMOD 0.00022303253
902 Statistical Schema Matching across Web Query Interfaces 2003 SIGMOD 0.00015486247
916 On Schema Matching with Opaque Column Names and Data Values 2003 SIGMOD 0.00015379422
1,065 Data-Driven Understanding and Refinement of Schema Mappings 2001 SIGMOD 0.00014338146
1,511 Using Schematically Heterogeneous Structures 1998 SIGMOD 0.00011602872
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173 Schema Mapping as Query Discovery 2000 VLDB 0.00038627829
8,823 The Role of Schema Matching in Large Enterprises 2009 CIDR 4.4415658e-05
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6,155 MapMerge: Correlating Independent Schema Mappings 2010 VLDB 5.1802715e-05