845 search results - page 40 / 169 » Describing and Using Query Capabilities of Heterogeneous Sou... |
SAC
2003
ACM
14 years 2 months ago
2003
ACM
As the use of XML is rapidly growing, a growing number of users without programming skills will need to query XML data. Although designed to be easily understood by humans, XQuery...
SG
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. Multi-modal capabilities can be added to a simulation system in order to enhance data comprehension. We describe a system for adding sonification capabilities to a real-...
CAISE
2006
Springer
14 years 16 days ago
2006
Springer
One important task of semantic web portals is to offer both end users and applications a seamless access to knowledge contained in heterogeneous data sources in specific user commu...
JUCS
2008
13 years 8 months ago
2008
Abstract: Information integration applications combine data from heterogeneous sources to assist the user in solving repetitive data-intensive tasks. Currently, such applications r...
EDBT
2012
ACM
11 years 11 months ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...