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» XQuery: An XML query language
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CIKM
2005
Springer
14 years 1 months ago
Optimizing cursor movement in holistic twig joins
Holistic twig join algorithms represent the state of the art for evaluating path expressions in XML queries. Using inverted indexes on XML elements, holistic twig joins move a set...
Marcus Fontoura, Vanja Josifovski, Eugene J. Sheki...
VLDB
2005
ACM
85views Database» more  VLDB 2005»
14 years 1 months ago
Pattern Tree Algebras: Sets or Sequences?
XML and XQuery semantics are very sensitive to the order of the produced output. Although pattern-tree based algebraic approaches are becoming more and more popular for evaluating...
Stelios Paparizos, H. V. Jagadish
WWW
2008
ACM
14 years 8 months ago
Xml data dissemination using automata on top of structured overlay networks
We present a novel approach for filtering XML documents using nondeterministic finite automata and distributed hash tables. Our approach differs architecturally from recent propos...
Iris Miliaraki, Zoi Kaoudi, Manolis Koubarakis
WISE
2002
Springer
14 years 16 days ago
Optimized Translation of XPath into Algebraic Expressions Parameterized by Programs Containing Navigational Primitives
We propose a new approach for the efficient evaluation of XPath expressions. This is important, since XPath is not only used as a simple, stand-alone query language, but is also ...
Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
JUCS
2008
138views more  JUCS 2008»
13 years 7 months ago
Schema Mappings and Agents' Actions in P2P Data Integration System
: We propose specification of schema mappings and agents' actions in XML data integration task. We discuss the problem in a highly-dynamic environment consisting of a communit...
Grazyna Brzykcy, Jerzy Bartoszek, Tadeusz Pankowsk...