Sciweavers

3456 search results - page 430 / 692
» Semantics in Spatial Databases
Sort
View
COSIT
2003
Springer
115views GIS» more  COSIT 2003»
15 years 11 months ago
Structuring a Wayfinder's Dynamic Space-Time Environment
To travel successfully in a dynamic space-time setting, wayfinders must project the impact of a changing environment onto future travel choices. When making decisions, however, peo...
Michael D. Hendricks, Max J. Egenhofer, Kathleen H...
GREC
2003
Springer
15 years 11 months ago
Resolving Ambiguities in Toponym Recognition in Cartographic Maps
To date many methods and programs for automatic text recognition exist. However there are no effective text recognition systems for graphic documents. Graphic documents usually con...
Alexander F. Gelbukh, Serguei Levachkine, Sang-Yon...
IPSN
2003
Springer
15 years 11 months ago
Mobicast: Just-in-Time Multicast for Sensor Networks under Spatiotemporal Constraints
This paper is concerned with coordinated delivery of messages in sensor networks. The notion of multicast is re-examined in light of a new set of requirements that are specific t...
Qingfeng Huang, Chenyang Lu, Gruia-Catalin Roman
CVPR
2010
IEEE
15 years 11 months ago
Object Recognition as Ranking Holistic Figure-Ground Hypotheses
We present an approach to visual object-class recognition and segmentation based on a pipeline that combines multiple, holistic figure-ground hypotheses generated in a bottom-up,...
Fuxin Li, JoãCarreira, Cristian Sminchisescu
CCS
2008
ACM
15 years 8 months ago
On spatio-temporal constraints and inheritance in role-based access control
Pervasive computing environments have created a requirement for spatial- and temporal-aware access control systems. Although temporal, spatial and spatio-temporal role-based acces...
Liang Chen, Jason Crampton