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CIDR
2011
233views Algorithms» more  CIDR 2011»
13 years 12 days ago
Ibis: A Provenance Manager for Multi-Layer Systems
End-to-end data processing environments are often comprised of several independently-developed (sub-)systems, e.g. for engineering, organizational or historical reasons. Unfortuna...
Christopher Olston, Anish Das Sarma
FQAS
2004
Springer
63views Database» more  FQAS 2004»
14 years 2 months ago
On Querying Ontologies and Databases
This paper concerns the motivation for and subsequently the analysis of proposed additions, in the form of new operators, to a concept language Ontolog for use in querying a conten...
Henrik Bulskov, Rasmus Knappe, Troels Andreasen
PODS
2007
ACM
107views Database» more  PODS 2007»
14 years 9 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...
SIGMOD
2001
ACM
115views Database» more  SIGMOD 2001»
14 years 9 months ago
Efficient Evaluation of XML Middle-ware Queries
We address the problem of efficiently constructing materialized XML views of relational databases. In our setting, the XML view is specified by a query in the declarative query la...
Mary F. Fernandez, Atsuyuki Morishima, Dan Suciu
PADL
2005
Springer
14 years 2 months ago
A Full Pattern-Based Paradigm for XML Query Processing
In this article we investigate a novel execution paradigm—ML-like pattern-matching— for XML query processing. We show that such a paradigm is well adapted for a common and freq...
Véronique Benzaken, Giuseppe Castagna, C&ea...