237 search results - page 31 / 48 » An initial formal model for spatial data infrastructures |
HLPPP
1991
13 years 11 months ago
1991
Gamma was originally proposed in 1986 as a formalism for the de nition of programs without arti cial sequentiality. The basic idea underlying the formalism is to describe computati...
ENVSOFT
2002
13 years 7 months ago
2002
The integration of environmental models and Geographical Information Systems (GIS) usually takes two approaches: loose coupling and tight coupling. This paper, however, presents a...
SAC
2008
ACM
13 years 6 months ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
IJCV
2007
13 years 7 months ago
2007
Building a spatially consistent model is a key functionality to endow a mobile robot with autonomy. Without an initial map or an absolute localization means, it requires to concurr...
TSP
2010
13 years 2 months ago
2010
A parametric generalized likelihood ratio test (GLRT) for multichannel signal detection in spatially and temporally colored disturbance was recently introduced by modeling the dist...