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» Querying RDF Data Using A Multigraph-based Approach
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ISMIS
2000
Springer
15 years 9 months ago
Extended Query Answering Using Integrity Rules
Abstract. The conventional use of databases is commonly restricted to the retrieval of factual data in the form of tuples or records. However most databases also contain metadata i...
Barry G. T. Lowden, Jerome Robinson
ICSEA
2006
IEEE
16 years 9 days ago
A Partition-Based Approach for XPath Testing
—The XML language is becoming the preferred means of data interchange and representation in web based applications. Usually, XML data is stored in XML repositories, which can be ...
Claudio de la Riva, José García-Fanj...
PVLDB
2010
110views more  PVLDB 2010»
15 years 4 months ago
Read-Once Functions and Query Evaluation in Probabilistic Databases
Probabilistic databases hold promise of being a viable means for large-scale uncertainty management, increasingly needed in a number of real world applications domains. However, q...
Prithviraj Sen, Amol Deshpande, Lise Getoor
WWW
2002
ACM
15 years 5 months ago
A Query Language for XML Based on Graph Grammars
In this paper we present a graphical query language for XML. The language, based on a simple form of graph grammars, permits us to extract data and reorganize information in a new...
Sergio Flesca, Filippo Furfaro, Sergio Greco
ADBIS
2007
Springer
171views Database» more  ADBIS 2007»
16 years 14 days ago
Quete: Ontology-Based Query System for Distributed Sources
The exponential growth of the web and the extended use of database management systems in widely distributed information systems has brought to the fore the need for seamless interc...
Haridimos Kondylakis, Anastasia Analyti, Dimitris ...