213 search results - page 3 / 43 » Querying Partially Sound and Complete Data Sources |
FQAS
1998
Springer
13 years 11 months ago
1998
Springer
Abstract. With more and more electronic information sources becoming widely available, the issue of the quality of these often-competing sources has become germane. We propose a st...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Query processing techniques for XML data have focused mainly on tree-pattern queries (TPQs). However, the need for querying XML data sources whose structure is very complex or not...
KRDB
2003
13 years 8 months ago
2003
The Polylog framework is designed to provide a language for efficiently automating complex queries of information represented in multiple formats. A Polylog program contains a set...
IJCAI
2003
13 years 9 months ago
2003
In this paper we address the problem of query answering and rewriting in global-as-view data integration systems, when key and inclusion dependencies are expressed on the global i...
IDEAS
2002
IEEE
14 years 13 days ago
2002
IEEE
A system has been developed permitting database queries over data extracted from a CAD system where the query result is returned back to the CAD for visualization and analysis. Th...