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» On the minimization of XPath queries
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DOCENG
2009
ACM
15 years 4 months ago
On the analysis of queries with counting constraints
We study the analysis problem of XPath expressions with counting constraints. Such expressions are commonly used in document transformations or programs in which they select porti...
Everardo Bárcenas, Pierre Genevès, N...
104
Voted
PLANX
2007
14 years 11 months ago
XPath Typing Using a Modal Logic with Converse for Finite Trees
We present an algorithm to solve XPath decision problems under regular tree type constraints and show its use to statically typecheck XPath queries. To this end, we prove the deci...
Pierre Genevès, Nabil Layaïda, Alan Sc...
SIGMOD
2011
ACM
249views Database» more  SIGMOD 2011»
14 years 8 days ago
ProApproX: a lightweight approximation query processor over probabilistic trees
We demonstrate a system for querying probabilistic XML documents with simple XPath queries. A user chooses between a variety of query answering techniques, both exact and approxim...
Pierre Senellart, Asma Souihli
ICEIS
2008
IEEE
15 years 3 months ago
Embedding Xpath Queries into SPARQL Queries
Matthias Droop, Markus Flarer, Jinghua Groppe, Sve...
DKE
2006
68views more  DKE 2006»
14 years 9 months ago
Reformulating XPath queries and XSLT queries on XSLT views
Sven Groppe, Stefan Böttcher, Georg Birkenheu...