324
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GIS
2008
ACM
16 years 8 months ago
2008
ACM
By embedding sensors in mobile devices, it is possible to exploit the ubiquitous presence of these devices to construct applications for large-scale sensing and monitoring of envi...
291
click to vote
GIS
2008
ACM
16 years 8 months ago
2008
ACM
An abundance of geospatial information is flourishing on the Internet but mining and disseminating these data is a daunting task. With anything published on the web available to t...
279
click to vote
GIS
2008
ACM
16 years 8 months ago
2008
ACM
In this paper, we consider the following scenario: a set of mobile objects continuously track their positions in a road network and are able to communicate with a central server. ...
311
click to vote
GIS
2008
ACM
16 years 8 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...
298
click to vote
GIS
2008
ACM
16 years 8 months ago
2008
ACM
It has been pointed out repeatedly that spatial operations must be extended to include support for 3D and moving objects. The attempt to code by hand each spatial operation for ea...