3456 search results - page 554 / 692 » Semantics in Spatial Databases |
GIS
2010
ACM
13 years 6 months ago
2010
ACM
Social networking applications have become very important web services that provide Internet-based platforms for their users to interact with their friends. With the advances in t...
GI
2005
Springer
14 years 1 months ago
2005
Springer
: A distributed service to model and control contextual information in mobile and ubiquitous computing environments is presented in this paper. We introduce the general user model ...
INFORMATICALT
2007
13 years 8 months ago
2007
The innovations and improvements in digital imaging sensors and scanners, computer modeling, haptic equipments and e-learning technology, as well as the availability of many powerf...
TIP
2008
13 years 8 months ago
2008
This paper presents a connected coherence tree algorithm (CCTA) for image segmentation with no prior knowledge. It aims to find regions of semantic coherence based on the proposed ...
GIS
2008
ACM
14 years 9 months ago
2008
ACM
In this paper, we follow the role-based access control (RBAC) approach and extend it to provide for the dynamic association of roles with users. In our framework, privileges assoc...