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ENTCS
1998
14 years 11 months ago
1998
We obtain a new formalism for concurrent object-oriented languages by extending Abadi and Cardelli's imperative object calculus with operators for concurrency from the -calc...
EXPERT
1998
14 years 11 months ago
1998
This article illustrates the complexities of real-world planning and how we can create AI planning systems to address them. We describe the IMACS Project (Interactive Manufacturab...
GEOINFORMATICA
1998
14 years 11 months ago
1998
Due to the increasing popularity of spatial databases, researchers have focused their efforts on improving the query processing performance of the most expensive spatial database ...
GEOINFORMATICA
1998
14 years 11 months ago
1998
The calculation of slope (downhill gradient) for a point in a digital elevation model (DEM) is a common procedure in the hydrological, environmental and remote sensing sciences. T...
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GEOINFORMATICA
1998
14 years 11 months ago
1998
ally related entity types, or classes, into higher level, more abstract types, as part of a hierarchical classi®cation scheme. graphy, generalization retains the notion of abstrac...