178 search results - page 21 / 36 » Automated Experiment-Driven Management of (Database) Systems |
GIS
2003
ACM
14 years 12 months ago
2003
ACM
Location-Based Services (LBSs) utilize information about users' locations through location-aware mobile devices to provide services, such as nearest features of interest, the...
GIS
2007
ACM
14 years 2 months ago
2007
ACM
Spatial join is an important yet costly operation in spatial databases. In order to speed up the execution of a spatial join, the input tables are often indexed based on their spa...
GIS
2002
ACM
13 years 10 months ago
2002
ACM
Clustering is one of the most important tasks for geographic knowledge discovery. However, existing clustering methods have two severe drawbacks for this purpose. First, spatial c...
GIS
2010
ACM
13 years 9 months ago
2010
ACM
With the prevalence of GPS-embedded mobile devices, enormous amounts of mobility data are being collected in the form of trajectory - a stream of (x,y,t) points. Such trajectories...
GIS
2010
ACM
13 years 8 months ago
2010
ACM
The sensing systems that monitor physical environments rely on communication infrastructures (wired or wireless) to collect data from the sensors embedded in the environment. Howe...