671 search results - page 39 / 135 » Spatial Reasoning with a Hole |
IJCAI
2001
13 years 9 months ago
2001
This paper describes the Region Occlusion Calculus (ROC-20), that can be used to model spatial occlusion and the effects of motion parallax of arbitrary shaped objects. ROC-20 ass...
ESORICS
2009
Springer
14 years 2 months ago
2009
Springer
For nearest neighbor search, a user queries a server for nearby points of interest (POIs) with his/her location information. Our aim is to protect the user’s sensitive informatio...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
Abstract. We consider quantifier-free spatial logics, designed for qualitative spatial representation and reasoning in AI, and extend them with the means to represent topological c...
SPATIALCOGNITION
2000
Springer
13 years 11 months ago
2000
Springer
We present an approach to spatial inference which is based on the procedural semantics of spatial relations. In contrast to qualitative reasoning, we do not use discrete symbolic m...
KI
2005
Springer
14 years 1 months ago
2005
Springer
The point algebra is a fundamental formal calculus for spatial and temporal reasoning. We present a new generalization that meets all requirements to describe dependencies on netw...