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VISUALIZATION
1999
IEEE
14 years 1 months ago
Construction of Vector Field Hierarchies
We present a method for the hierarchical representation of vector fields. Our approach is based on iterative refinement using clustering and principal component analysis. The inpu...
Bjørn Heckel, Gunther H. Weber, Bernd Haman...
IPPS
1998
IEEE
14 years 1 months ago
Using PI/OT to Support Complex Parallel I/O
This paper describes PI/OT, a template-based parallel I/O system. In PI/OT, I/O streams have annotations associated with them that are external to the source code. These annotatio...
Ian Parsons, Jonathan Schaeffer, Duane Szafron, Ro...
PLDI
1998
ACM
14 years 1 months ago
Units: Cool Modules for HOT Languages
A module system ought to enable assembly-line programming using separate compilation and an expressive linking language. Separate compilation allows programmers to develop parts o...
Matthew Flatt, Matthias Felleisen
SIGMOD
1998
ACM
129views Database» more  SIGMOD 1998»
14 years 1 months ago
Incremental Distance Join Algorithms for Spatial Databases
Two new spatial join operations, distance join and distance semijoin, are introduced where the join output is ordered by the distance betweenthe spatialattribute values ofthe join...
Gísli R. Hjaltason, Hanan Samet
COSIT
1997
Springer
131views GIS» more  COSIT 1997»
14 years 1 months ago
Cognitive Requirements on Making and Interpreting Maps
We present an approach to modeling human interpretation of (real) geographic maps. While in Geographic Information Systems (GIS) the limitations for describing geographic knowledge...
Thomas Barkowsky, Christian Freksa