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GIS
1995
ACM
13 years 11 months ago
Measuring the Complexity of Polygonal Objects
Polygonal objects are characterized by the following well-known parameters: number of vertices, area, perimeter and so on. These parameters describe the data sets that are used in...
Thomas Brinkhoff, Hans-Peter Kriegel, Ralf Schneid...
ICDT
2005
ACM
131views Database» more  ICDT 2005»
14 years 1 months ago
Algorithms for the Database Layout Problem
We present a formal analysis of the database layout problem, i.e., the problem of determining how database objects such as tables and indexes are assigned to disk drives. Optimizin...
Gagan Aggarwal, Tomás Feder, Rajeev Motwani...
DATE
2000
IEEE
94views Hardware» more  DATE 2000»
14 years 16 days ago
Shared Memory Implementations of Synchronous Dataflow Specifications
There has been a proliferation of block-diagram environments for specifying and prototyping DSP systems. These include tools from academia like Ptolemy [3], and GRAPE [7], and com...
Praveen K. Murthy, Shuvra S. Bhattacharyya
GIS
2008
ACM
13 years 8 months ago
An ACS cooperative learning approach for route finding in natural environment
This paper introduces an ant-based colony system for the representation of a verbal route description. It is grounded on a natural metaphor that mimics the behavior of ant colonie...
David Brosset, Christophe Claramunt, Eric Saux
WWW
2008
ACM
14 years 8 months ago
Automatically refining the wikipedia infobox ontology
The combined efforts of human volunteers have recently extracted numerous facts from Wikipedia, storing them as machine-harvestable object-attribute-value triples in Wikipedia inf...
Fei Wu, Daniel S. Weld