Tractable XML data exchange via relations

  title={Tractable XML data exchange via relations},
  author={Rada Chirkova and Leonid Libkin and Juan L. Reutter},
  journal={Frontiers of Computer Science},
We consider data exchange for XML documents: given source and target schemas, a mapping between them, and a document conforming to the source schema, construct a target document and answer target queries in a way that is consistent with the source information. The problem has primarily been studied in the relational context, in which data-exchange systems have also been built. Since many XML documents are stored in relations, it is natural to consider using a relational system for XML data… CONTINUE READING
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