Quantifiers in XQuery

Roma, Italy December 10-December 12

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http://doi.ieeecomputersociety.org/10.1109/WISE.2003.1254501

Fourth International Conference on We ...

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	ASCII Text	x
	Norman May, Sven Helmer, Guido Moerkotte, "Quantifiers in XQuery," Web Information Systems Engineering, International Conference on, pp. 313, Fourth International Conference on Web Information Systems Engineering (WISE'03), 2003.

	BibTex	x
	@article{ 10.1109/WISE.2003.1254501, author = {Norman May and Sven Helmer and Guido Moerkotte}, title = {Quantifiers in XQuery}, journal ={Web Information Systems Engineering, International Conference on}, volume = {0}, year = {2003}, isbn = {0-7695-1999-7}, pages = {313}, doi = {http://doi.ieeecomputersociety.org/10.1109/WISE.2003.1254501}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Web Information Systems Engineering, International Conference on TI - Quantifiers in XQuery SN - 0-7695-1999-7 SP EP A1 - Norman May, A1 - Sven Helmer, A1 - Guido Moerkotte, PY - 2003 KW - null VL - 0 JA - Web Information Systems Engineering, International Conference on ER -

Norman May, Universität Mannheim

Sven Helmer, Universität Mannheim

Guido Moerkotte, Universität Mannheim

We present algebraic equivalences that allow to unnest nested algebraic expressions containing quantifiers for order-preserving algebraic operators. We illustrate how these equivalences can be applied successfully to unnest nested queries formulated in XQuery. Measurements illustrate the performance gains possible by unnesting.

Citation:

Norman May, Sven Helmer, Guido Moerkotte, "Quantifiers in XQuery," wise, pp.313, Fourth International Conference on Web Information Systems Engineering (WISE'03), 2003

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