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VLDB
2000
ACM
129views Database» more  VLDB 2000»
13 years 8 months ago
Offering a Precision-Performance Tradeoff for Aggregation Queries over Replicated Data
Strict consistency of replicated data is infeasible or not required by many distributed applications, so current systems often permit stale replication, in which cached copies of ...
Chris Olston, Jennifer Widom
FQAS
2009
Springer
202views Database» more  FQAS 2009»
13 years 11 months ago
Controlled Aggregate Tree Shaped Questions over Ontologies
Abstract. Controlled languages (CLs) are ambiguity-free subsets of natural languages such as English offering a good trade-off between the formal rigor of ontology and query langua...
Camilo Thorne, Diego Calvanese
EDBT
2006
ACM
143views Database» more  EDBT 2006»
14 years 5 months ago
XG: A Grid-Enabled Query Processing Engine
In [12] we introduce a novel architecture for data processing, based on a functional fusion between a data and a computation layer. In this demo we show how this architecture is le...
Radu Sion, Ramesh Natarajan, Inderpal Narang, Thom...
DEXA
2005
Springer
148views Database» more  DEXA 2005»
13 years 10 months ago
XG: A Data-Driven Computation Grid for Enterprise-Scale Mining
In this paper we introduce a novel architecture for data processing, based on a functional fusion between a data and a computation layer. We show how such an architecture can be le...
Radu Sion, Ramesh Natarajan, Inderpal Narang, Wen-...