@inproceedings{15553,
  abstract = {Relational XQuery systems try to re-use mature relational data management infrastructures to create fast
 and scalable XML database technology. This paper describes the main features, key contributions, and lessons learned while
 implementing such a system. Its architecture consists of (i) a range-based encoding of XML documents into relational tables,
 (ii) a compilation technique that translates XQuery into a basic relational algebra, (iii) a restricted (order) property-aware
 peephole relational query optimization strategy, and (iv) a mapping from XML update statements into relational updates.
 Thus, this system implements all essential XML database functionalities (rather than a single feature) such that we can
 learn from the full consequences of our architectural decisions. While implementing this system, we had to extend the state-of-the-art
 with a number of new technical contributions, such as loop-lifted staircase join and efficient relational query evaluation
 strategies for XQuery theta-joins with existential semantics. These contributions as well as the architectural lessons learned
 are also deemed valuable for other relational back-end engines. The performance and scalability of the resulting system
 is evaluated on the XMark benchmark up to data sizes of 11 GB. The performance section also provides an extensive comparison
 of all major XMark results published previously, which confirm that the goal of purely relational XQuery processing, namely
 speed and scalability, was met. },
  added-at = {2010-12-20T19:01:01.000+0100},
  author = {Boncz, P. A. and Grust, T. and van Keulen, M. and Manegold, S. and Rittinger, J. and Teubner, J.},
  biburl = {https://www.bibsonomy.org/bibtex/2fd59739a5f8c153e7a74360bdc14f189/peterboncz},
  booktitle = {Proceedings of ACM SIGMOD International Conference on Management of Data  2006},
  conferencedate = {2006, June},
  conferencelocation = {Chicago, IL, USA},
  conferencetitle = {ACM SIGMOD International Conference on Management of Data},
  edition = {first},
  group = {INS1},
  interhash = {22eb6b930cae8e70d762d8abd5a78539},
  intrahash = {fd59739a5f8c153e7a74360bdc14f189},
  keywords = {monetdb store xquery column},
  project = {Non-NWO Project 1:[Ambient Multimedia Databases (N3)]; Non-NWO Project 2:[MonetDB ()]; Non-NWO Project 3:[Pathfinder ()]},
  publisher = {ACM},
  refereed = {y},
  timestamp = {2010-12-20T19:01:01.000+0100},
  title = {MonetDB/{XQuery}: {A} {Fast} {XQuery} {Processor} {Powered} {By} {A} {Relational} {Engine}},
  url = {http://oai.cwi.nl/oai/asset/15553/15553B.pdf},
  year = 2006
}

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