2298 search results - page 39 / 460 » Querying spatial patterns |
W2GIS
2007
Springer
15 years 6 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 ...
84
Voted
EDBT
2002
ACM
16 years 18 days 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...
102
Voted
SIGMOD
1989
ACM
15 years 4 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 ...
115
Voted
SAC
2011
ACM
14 years 3 months ago
2011
ACM
Spatial networks like transportation, power, and pipeline networks are a ubiquitous spatial concept in everyday life and play an important role for navigational and routing purpos...
GIS
2010
ACM
14 years 11 months ago
2010
ACM
It is cost-effective for data owners to publicize their spatial databases via database outsourcing; however, data privacy and query integrity are major challenges. In this demonst...