Unique Solutions in Data Exchange under STS Mappings

@inproceedings{Ngo2016UniqueSI,
  title={Unique Solutions in Data Exchange under STS Mappings},
  author={Nhung Ngo and Enrico Franconi},
  booktitle={AMW},
  year={2016}
}
In classical data exchange, multiple solutions may appear and inherently cause many problems. To tackle the problem, one may use a richer language for schema mapping to have a unique solution. Therefore, in the paper, we consider a data exchange setting in which schema mapping contains a set of source-to-target dependencies and a set of targetto-source dependencies (sts mappings). Under the setting, we first study the problem of deciding whether a data exchange setting has a unique solution… CONTINUE READING

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