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» XML-Based RDF Data Management for Efficient Query Processing
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EDBT
2010
ACM
164views Database» more  EDBT 2010»
13 years 10 months ago
Techniques for efficiently querying scientific workflow provenance graphs
A key advantage of scientific workflow systems over traditional scripting approaches is their ability to automatically record data and process dependencies introduced during workf...
Manish Kumar Anand, Shawn Bowers, Bertram Ludä...
ICDT
2010
ACM
180views Database» more  ICDT 2010»
14 years 4 months ago
Foundations of SPARQL Query Optimization
We study fundamental aspects related to the efficient processing of the SPARQL query language for RDF, proposed by the W3C to encode machine-readable information in the Semantic W...
Michael Schmidt, Michael Meier, Georg Lausen
CIKM
2006
Springer
13 years 10 months ago
Efficient join processing over uncertain data
In an uncertain database, each data item is modeled as a range associated with a probability density function. Previous works for this kind of data have focussed on simple queries...
Reynold Cheng, Sarvjeet Singh, Sunil Prabhakar, Ra...
CIKM
2009
Springer
13 years 10 months ago
Multidimensional routing indices for efficient distributed query processing
Traditional routing indices in peer-to-peer (P2P) networks are mainly designed for document retrieval applications and maintain aggregated one-dimensional values representing the ...
Christos Doulkeridis, Akrivi Vlachou, Kjetil N&osl...
ESCIENCE
2007
IEEE
13 years 10 months ago
Storing and Querying Scientific Workflow Provenance Metadata Using an RDBMS
Provenance management has become increasingly important to support scientific discovery reproducibility, result interpretation, and problem diagnosis in scientific workflow enviro...
Artem Chebotko, Xubo Fei, Cui Lin, Shiyong Lu, Far...