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ESWS
2011
Springer
12 years 8 months ago
FedX: A Federation Layer for Distributed Query Processing on Linked Open Data
Driven by the success of the Linked Open Data initiative today’s Semantic Web is best characterized as a Web of interlinked datasets. Hand in hand with this structure new challen...
Andreas Schwarte, Peter Haase, Katja Hose, Ralf Sc...
ISEMANTICS
2010
13 years 3 months ago
An evaluation of approaches to federated query processing over linked data
The Web has evolved from a global information space of linked documents to a web of linked data. The Web of Data enables answering complex, structured queries that could not be an...
Peter Haase, Tobias Mathäß, Michael Zil...
SEMWEB
2009
Springer
13 years 11 months ago
Executing SPARQL Queries over the Web of Linked Data
The Web of Linked Data forms a single, globally distributed dataspace. Due to the openness of this dataspace, it is not possible to know in advance all data sources that might be r...
Olaf Hartig, Christian Bizer, Johann Christoph Fre...
CIDR
2007
165views Algorithms» more  CIDR 2007»
13 years 6 months ago
A Black-Box Approach to Query Cardinality Estimation
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...
Tanu Malik, Randal C. Burns, Nitesh V. Chawla
IPAW
2010
13 years 2 months ago
Publishing and Consuming Provenance Metadata on the Web of Linked Data
The World Wide Web evolves into a Web of Data, a huge, globally distributed dataspace that contains a rich body of machineprocessable information from a virtually unbound set of pr...
Olaf Hartig, Jun Zhao