3480 search results - page 63 / 696 » General Image Database Model |
PODS
2007
ACM
14 years 10 months ago
2007
ACM
We show that relational algebra calculations for incomplete databases, probabilistic databases, bag semantics and whyprovenance are particular cases of the same general algorithms...
SACMAT
2004
ACM
14 years 3 months ago
2004
ACM
In order to provide a general access control methodology for parts of XML documents, we propose combining rolebased access control as found in the Role Graph Model, with a methodo...
ICDT
2012
ACM
12 years 10 days ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
GIS
2007
ACM
14 years 4 months ago
2007
ACM
In this paper, we present a technique that generalizes 3D building groups of virtual 3D city models according to a cell structure that is derived from infrastructure networks. In ...
GIS
2008
ACM
14 years 11 months ago
2008
ACM
Commercial aerial imagery websites, such as Google Maps, MapQuest, Microsoft Virtual Earth, and Yahoo! Maps, provide high- seamless orthographic imagery for many populated areas, ...