Semantic integration in Xyleme: a uniform tree-based approach

  title={Semantic integration in Xyleme: a uniform tree-based approach},
  author={Claude Delobel and Chantal Reynaud and Marie-Christine Rousset and Jean-Pierre Sirot and Dan Vodislav},
  journal={Data Knowl. Eng.},
Xyleme is a huge warehouse integrating XML data of the Web. Xyleme considers a simple data model with data trees and tree types for describing the data sources, and a simple query language based on tree queries with boolean conditions. The main components of the data model are a mediated schema modeled by an abstract tree type, as a view of a set of tree types associated with actual data trees, called concrete tree types, and a mapping expressing the connection between the mediated schema and… CONTINUE READING
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