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GIS
2002
ACM
13 years 8 months ago
2002
ACM
A very important class of queries in GIS applications is the class of K-Nearest Neighbor queries. Most of the current studies on the K-Nearest Neighbor queries utilize spatial ind...
PODS
2008
ACM
14 years 8 months ago
2008
ACM
We consider a fundamental flow maximization problem that arises during the evaluation of multiple overlapping queries defined on a data stream, in a heterogenous parallel environm...
GIS
2004
ACM
14 years 9 months ago
2004
ACM
The advances in wireless communication and decreasing costs of mobile devices have enabled users to access desired information at any time. Coupled with positioning technologies l...
GIS
2006
ACM
14 years 9 months ago
2006
ACM
Location information gathered from a variety of sources in the form of sensor data, video streams, human observations, and so on, is often imprecise and uncertain and needs to be ...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
In this paper, we investigate a new approach to process queries in data stream applications. We show that reference locality characteristics of data streams could be exploited in ...