Sub-document queries over XML with XSQirrel

  title={Sub-document queries over XML with XSQirrel},
  author={Arnaud Sahuguet and Bogdan Alexe},
This paper describes XSQirrel, a new XML query language that transforms a document into a sub-document, i.e. a tree where the root-to-leaf paths are a subset of the root-to-leaf paths from the original document.We show that this type of queries is extremely useful for various applications (e.g. web services) and that the currently existing query languages are poorly equipped to express, reason and evaluate such queries. In particular, we emphasize the need to be able to compose such queries. We… CONTINUE READING
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