• DOI:10.1145/773153.773163
Corpus ID: 447343

Data exchange: getting to the core

@inproceedings{Fagin2003DataEG,
  title={Data exchange: getting to the core},
  author={Ronald Fagin and Phokion G. Kolaitis and L. Popa},
  booktitle={PODS},
  year={2003}
}

Ronald Fagin, Phokion G. Kolaitis, L. Popa

Published in PODS 2003

Computer Science

Data exchange is the problem of taking data structured under a source schema and creating an instance of a target schema that reflects the source data as accurately as possible. Given a source instance, there may be many solutions to the data exchange problem, that is, many target instances that satisfy the constraints of the data exchange problem. In an earlier paper, we identified a special class of solutions that we call universal. A universal solution has homomorphisms into every possible… CONTINUE READING

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