Getting Unique Solution in Data Exchange
Summary: Extends schema mappings to guarantee a unique target instance, enabling query answering for arbitrary (including non-conjunctive) queries. Recasts this as definability abduction and identifies minimal relational mappings under a semantic minimality criterion. (summarized by gpt-5.6-luna on Jul 24 2026)
Incoming Non-self Citations Over Time
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Authors
- 1. Nhung Ngo (Free University of Bolzano)
BibTeX Citation
@article{ngo_vldb13,
title = {{Getting Unique Solution in Data Exchange}},
author = {Ngo, Nhung},
journal = {PVLDB},
series = {{VLDB} '13},
volume = {6},
number = {12},
pages = {1440--1443},
doi = {10.14778/2536274.2536332},
url = {https://doi.org/10.14778/2536274.2536332},
year = {2013}
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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 |
|---|---|---|---|---|
| 392 | Data Exchange: Getting to the Core | 2003 | PODS | 0.00019215652 |
| 2,392 | Quasi-inverses of Schema Mappings | 2007 | PODS | 8.5327323e-05 |
| 2,990 | Data Exchange and Incomplete Information | 2006 | PODS | 7.7719132e-05 |
| 3,019 | The Recovery of a Schema Mapping: Bringing Exchanged Data Back | 2008 | PODS | 7.7434413e-05 |
| 4,370 | Locally Consistent Transformations and Query Answering in Data Exchange | 2004 | PODS | 6.6300346e-05 |
| 4,473 | Data Exchange and Schema Mappings in Open and Closed Worlds | 2008 | PODS | 6.5817215e-05 |
| 4,533 | Data Exchange beyond Complete Data | 2011 | PODS | 6.5552806e-05 |
| 5,751 | Answering Aggregate Queries in Data Exchange | 2008 | PODS | 6.0044594e-05 |
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|---|---|---|---|---|
| 1 | 3,564 | The Complexity of Data Exchange | 2006 | PODS |
| 2 | 4,281 | Core Schema Mappings | 2009 | SIGMOD |
| 3 | 4,533 | Data Exchange beyond Complete Data | 2011 | PODS |
| 4 | 4,370 | Locally Consistent Transformations and Query Answering in Data Exchange | 2004 | PODS |
| 5 | 4,408 | Normalization and Optimization of Schema Mappings | 2009 | VLDB |
| 6 | 7,364 | Schema Mappings for Data Graphs | 2017 | PODS |
| 7 | 5,177 | Scalable Data Exchange with Functional Dependencies | 2010 | VLDB |
| 8 | 2,990 | Data Exchange and Incomplete Information | 2006 | PODS |
| 9 | 3,975 | On the Complexity of Deriving Schema Mappings from Database Instances | 2008 | PODS |
| 10 | 4,706 | Towards a Theory of Schema-Mapping Optimization | 2008 | PODS |