4084 search results - page 62 / 817 » Constraints in spatial structures |
SIGMOD
2002
ACM
16 years 8 hour ago
2002
ACM
Spatial indexing has been one of the active focus areas in recent database research. Several variants of Quadtree and R-tree indexes have been proposed in database literature. In ...
PODS
2000
ACM
15 years 4 months ago
2000
ACM
We consider spatial databases in the plane that can be defined by polynomial constraint formulas. Motivated by applications in geographic information systems, we investigate line...
ROBOCUP
1999
Springer
15 years 4 months ago
1999
Springer
In this paper, we present a multi-layered architecture for spatial and temporal agents. The focus is laid on the declarativity of the approach, which makes agent scripts expressive...
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RTA
2000
Springer
15 years 3 months ago
2000
Springer
Parallelism constraints are logical descriptions of trees. Parallelism constraints subsume dominance constraints and are equal in expressive power to context unification. Paralleli...
RT
2005
Springer
15 years 5 months ago
2005
Springer
Fast global illumination computation is a challenge in several fields such as lighting simulation and computergenerated visual effects for movies. To this end, the irradiance cac...