856 search results - page 24 / 172 » Location-based Spatial Queries |
PVLDB
2010
13 years 9 months ago
2010
Querying data from presentation formats like HTML, for purposes such as information extraction, requires the consideration of tree structures as well as the consideration of spati...
SACMAT
2010
ACM
13 years 9 months ago
2010
ACM
Proposed models for spatially-aware extensions of role-based access control (RBAC) combine the administrative and security advantages of RBAC with the dynamic nature of mobile and...
W2GIS
2007
Springer
14 years 5 months ago
2007
Springer
In order to provide a streaming service of 3-D spatial objects to the mobile clients on a street, we propose a new query type, called continuous perspective query. The perspective ...
EDBT
2002
ACM
14 years 11 months ago
2002
ACM
For a spatial database management system, it is an important goal to minimize the I/O-cost of queries and other operations. Several page-replacement strategies have been proposed a...
SIGMOD
1989
ACM
14 years 3 months ago
1989
ACM
Spatial objects other than points and boxes can be stored in spatial indexes, but the techniques usually require the use of approximations that can be arbitrarily bad. This leads ...