781 search results - page 61 / 157 » Query Processing in ROSA Data Model |
152
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ADBIS
2004
Springer
15 years 10 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
146
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PVLDB
2010
15 years 3 months ago
2010
The RDF data model is gaining importance for applications in computational biology, knowledge sharing, and social communities. Recent work on RDF engines has focused on scalable p...
136
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MDM
2004
Springer
15 years 10 months ago
2004
Springer
In this paper, we consider a data model for uncertain trajectories of moving objects. In our model, the trajectory is a vector of uniform stochastic processes. We study “univers...
148
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IPSN
2009
Springer
15 years 12 months ago
2009
Springer
In this work we present new in-network techniques for communication efficient approximate query processing in wireless sensornets. We use a model-based approach that constructs a...
134
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EDBT
2010
ACM
15 years 12 months ago
2010
ACM
A recurring manual task in data integration, ontology alignment or model management is finding mappings between complex meta data structures. In order to reduce the manual effor...