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ICDE
2010
IEEE
14 years 9 months ago
2010
IEEE
Research on spatial network databases has so far considered that there is a single cost value associated with each road segment of the network. In most real-world situations, howev...
ICCSA
2009
Springer
14 years 4 months ago
2009
Springer
Data aggregation in Geographic Information Systems (GIS) is a desirable feature, spatial data are integrated in OLAP engines for this purpose. However, the development and operatio...
WAIM
2009
Springer
14 years 4 months ago
2009
Springer
Contained rewriting and maximal contained rewriting of tree pattern queries using views have been studied recently for the class of tree patterns involving /, //, and []. Given que...
DEXA
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. Non-trivial retrieval applications involve complex computations on large multi-dimensional datasets. These should, in principle, benefit from the use of relational datab...
OTM
2004
Springer
14 years 3 months ago
2004
Springer
Exceptionally large amounts of both distributed data and computational resources are becoming available through the Grid. This will enable efficient exchange and processing of very...