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» On the minimization of XPath queries
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PODS
2007
ACM
107views Database» more  PODS 2007»
16 years 1 months ago
Polynomial time fragments of XPath with variables
Variables are the distinguishing new feature of XPath 2.0 which permits to select n-tuples of nodes in trees. It is known that the Core of XPath 2.0 captures n-ary first-order (FO...
Emmanuel Filiot, Joachim Niehren, Jean-Marc Talbot...
DKE
2007
136views more  DKE 2007»
15 years 1 months ago
Deciding XPath containment with MSO
XPath is the standard language for addressing parts of an XML document. We present a sound and complete decision procedure for containment of XPath queries. The considered XPath f...
Pierre Genevès, Nabil Layaïda
DSL
2009
14 years 11 months ago
LEESA: Embedding Strategic and XPath-Like Object Structure Traversals in C++
Traversals of heterogeneous object structures are the most common operations in schema-first applications where the three key issues are (1) separation of traversal specifications ...
Sumant Tambe, Aniruddha S. Gokhale
ICEIS
2006
IEEE
15 years 7 months ago
Filtering Unsatisfiable XPATH Queries
The satisfiability test checks, whether or not the evaluation of a query returns the empty set for any input document, and can be used in query optimization for avoiding the submis...
Jinghua Groppe, Sven Groppe
DOCENG
2005
ACM
15 years 3 months ago
Compiling XPath for streaming access policy
We show how the full XPath language can be compiled into a minimal subset suited for stream-based evaluation. Specifically, we show how XPath normalization into a core language a...
Pierre Genevès, Kristoffer Høgsbro R...