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Laconic Schema Mappings: Computing the Core with SQL Queries

Summary: Rewrites s-t tgd mappings into order-aware laconic mappings whose direct SQL translation computes the core universal solution, avoiding materialize-then-minimize. Proves source active-domain order is necessary, and target constraints generally preclude such rewritings. (summarized by gpt-5.6-luna on Jul 24 2026)

Paper ID
hd9287572658ccf0a
Venue
VLDB
Year
2009
Pagerank
5.604911e-05
Overall Rank
7,073 | 52.47%
DOI
10.14778/1687627.1687741

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@article{cate_vldb09,
        title = {{Laconic Schema Mappings: Computing the Core with SQL Queries}},
        author = {Cate, Balder ten and Chiticariu, Laura and Kolaitis, Phokion and Tan, Wang-Chiew},
        journal = {PVLDB},
        series = {{VLDB} '09},
        doi = {10.14778/1687627.1687741},
        url = {https://doi.org/10.14778/1687627.1687741},
        year = {2009}
}

Incoming Citations (Sorted by Pagerank)

Showing 3 of 3 citing papers.

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Outgoing Citations (Sorted by Pagerank)

Showing 8 of 8 cited papers.

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

Rank Cited Paper Year Venue Pagerank
24 Data Integration: A Theoretical Perspective 2002 PODS 0.00055018384
392 Data Exchange: Getting to the Core 2003 PODS 0.00019215652
481 Clio Grows Up: From Research Prototype to Industrial Tool 2005 SIGMOD 0.00017600067
936 A Scalable Algorithm for Answering Queries Using Views 2000 VLDB 0.00012983552
2,399 HePToX: Marrying XML and Heterogeneity in Your P2P Databases 2005 VLDB 8.5178546e-05
2,850 Nested Mappings: Schema Mapping Reloaded 2006 VLDB 7.9384121e-05
4,281 Core Schema Mappings 2009 SIGMOD 6.6866931e-05
4,706 Towards a Theory of Schema-Mapping Optimization 2008 PODS 6.4574226e-05
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