Scaling XML query processing: distribution, localization and pruning

  title={Scaling XML query processing: distribution, localization and pruning},
  author={Patrick Kling and M. Tamer {\"O}zsu and Khuzaima Daudjee},
  journal={Distributed and Parallel Databases},
Distributing data collections by fragmenting them is an effective way of improving the scalability of a database system. While the distribution of relational data is well understood, the unique characteristics of the XML data and query model present challenges that require different distribution techniques. In this paper, we show how XML data can be fragmented horizontally and vertically. Based on this, we propose solutions to two of the problems encountered in distributed query processing and… CONTINUE READING