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HPCN
1998
Springer
15 years 10 months ago
A Barotropic Global Ocean Model and its Parallel Implementation on Unstructured Grids
Unstructured grids can represent the complex geometry of the ocean basin with high delity. The lack of development tools supporting irregular grid problems discourages the use of ...
Hakan Öksüzoglu, A. G. M. van Hees
IDMS
1998
Springer
99views Multimedia» more  IDMS 1998»
15 years 10 months ago
Asynchronously Replicated Shared Workspaces for a Multi-Media Annotation Service over Internet
Abstract. This paper describes a world wide collaboration system through multimedia Post-its (user generated annotations). DIANE is a service to create multimedia annotations to ev...
Hartmut Benz, Maria Eva Lijding
SP
1997
IEEE
126views Security Privacy» more  SP 1997»
15 years 10 months ago
Filtering Postures: Local Enforcement for Global Policies
When packet filtering is used as a security mechanism, different routers may need to cooperate to enforce the desired security policy. It is difficult to ensure that they will d...
Joshua D. Guttman
COMPGEOM
1997
ACM
15 years 10 months ago
Robust Proximity Queries: An Illustration of Degree-Driven Algorithm Design
Abstract. In the context of methodologies intended to confer robustness to geometric algorithms, we elaborate on the exact-computation paradigm and formalize the notion of degree o...
Giuseppe Liotta, Franco P. Preparata, Roberto Tama...
SSD
1993
Springer
152views Database» more  SSD 1993»
15 years 10 months ago
Realms: A Foundation for Spatial Data Types in Database Systems
: Spatial data types or algebras for database systems should (i) be fully general (which means, closed under set operations, hence e.g. a region value can be a set of polygons with...
Ralf Hartmut Güting, Markus Schneider