369 search results - page 43 / 74 » Querying Distributed RDF Data Sources with SPARQL |
MDM
2010
Springer
13 years 6 months ago
2010
Springer
—We present an optimal distributed algorithm to adapt the placement of a single operator in high communication cost networks, such as a wireless sensor network. Our parameterfree...
ECAI
2004
Springer
14 years 1 months ago
2004
Springer
This paper presents an architecture that helps users to collect and qualify meta-information about web resources within a weblog and then share them with a group of people. Our arc...
SAC
2006
ACM
14 years 1 months ago
2006
ACM
Traditional semantic web query languages support a logicbased access to the semantic web. They offer a retrieval (or reasoning) of data based on facts. On the traditional web and...
PVLDB
2008
13 years 7 months ago
2008
The diversity and large volumes of data processed in the Natural Sciences today has led to a proliferation of highlyspecialized and autonomous scientific databases with inherent a...
CIDR
2007
13 years 9 months ago
2007
We present a “black-box” approach to estimating query cardinality that has no knowledge of query execution plans and data distribution, yet provides accurate estimates. It doe...