413 search results - page 47 / 83 » Optimizing Queries Across Diverse Data Sources |
100
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KIVS
2009
Springer
15 years 4 months ago
2009
Springer
We present an integrated approach for supporting in-network sensor data processing in dynamic and heterogeneous sensor networks. The concept relies on data stream processing techni...
BTW
2007
Springer
15 years 4 months ago
2007
Springer
: In many application areas like e-science and data-warehousing detailed information about the origin of data is required. This kind of information is often referred to as data pro...
CAISE
2005
Springer
15 years 3 months ago
2005
Springer
In vague queries, a user enters a value that represents some real world object and expects as the result the set of database values that represent this real world object even with ...
WSDM
2009
ACM
15 years 4 months ago
2009
ACM
We study the problem of answering ambiguous web queries in a setting where there exists a taxonomy of information, and that both queries and documents may belong to more than one ...
106
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WWW
2011
ACM
14 years 4 months ago
2011
ACM
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...