1430 search results - page 206 / 286 » Query operations for moving objects database systems |
104
click to vote
MOBIDE
2009
ACM
15 years 6 months ago
2009
ACM
The explosive growth of location-detection devices, wireless communications, and mobile databases has resulted in the realization of location-based services as commercial products...
SSD
2007
Springer
15 years 6 months ago
2007
Springer
An uncertain geo-spatial dataset is a collection of geo-spatial objects that do not represent accurately real-world entities. Each object has a confidence value indicating how lik...
SAC
2010
ACM
15 years 6 months ago
2010
ACM
In GIS and spatial databases, cardinal directions are frequently used as selection and join criteria in query languages. However, most cardinal direction models are only able to h...
117
click to vote
JCP
2008
14 years 12 months ago
2008
In sensor networks, continuous query is commonly used for collecting periodical data from the objects under monitoring. This sort of queries needs to be carefully designed, in orde...
SIGMOD
1997
ACM
15 years 4 months ago
1997
ACM
The Distributed Information Search COmponent (Disco) is a prototype heterogeneous distributed database that accesses underlying data sources. The Disco prototype currently focuses...