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PODS
2007
ACM
107views Database» more  PODS 2007»
14 years 7 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 7 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 1 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...
ACL
2009
13 years 5 months ago
System for Querying Syntactically Annotated Corpora
This paper presents a system for querying treebanks. The system consists of a powerful query language with natural support for cross-layer queries, a client interface with a graph...
Petr Pajas, Jan Stepánek
AVI
1998
13 years 9 months ago
Kaleidoquery: a visual query language for object databases
In this paper we describe Kaleidoquery, a visual query language for object databases with the same expressive power as OQL. We will describe the design philosophy behind the filte...
Norman Murray, Norman W. Paton, Carole A. Goble