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» Using RDF to Model the Structure and Process of Systems
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VLDB
2007
ACM
147views Database» more  VLDB 2007»
16 years 3 months ago
A General Framework for Modeling and Processing Optimization Queries
An optimization query asks for one or more data objects that maximize or minimize some function over the data set. We propose a general class of queries, model-based optimization ...
Michael Gibas, Ning Zheng, Hakan Ferhatosmanoglu
SIGMOD
2006
ACM
149views Database» more  SIGMOD 2006»
16 years 3 months ago
Efficient query processing on unstructured tetrahedral meshes
Modern scientific applications consume massive volumes of data produced by computer simulations. Such applications require new data management capabilities in order to scale to te...
Stratos Papadomanolakis, Anastassia Ailamaki, Juli...
EDBT
2010
ACM
208views Database» more  EDBT 2010»
15 years 10 months ago
Stream schema: providing and exploiting static metadata for data stream processing
Schemas, and more generally metadata specifying structural and semantic constraints, are invaluable in data management. They facilitate conceptual design and enable checking of da...
Peter M. Fischer, Kyumars Sheykh Esmaili, Ren&eacu...
IJNS
2010
106views more  IJNS 2010»
15 years 1 months ago
Cascade Process Modeling with Mechanism-Based Hierarchical Neural Networks
Abstract: Cascade process, such as wastewater treatment plant, includes many nonlinear subsystems and many variables. When the number of sub-systems is big, the input-output relati...
Qiumei Cong, Wen Yu, Tianyou Chai
SIGSAND
2008
15 years 4 months ago
The Impact of Activity Labeling Styles on Process Model Quality
Abstract: Quality issues and their connection with structural aspects of process models have been recently studied, but there is still a notable lack of research into quality aspec...
Jan Mendling, Hajo A. Reijers