261 search results - page 17 / 53 » Supporting uncertainty in moving objects in network database... |
218
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
This demonstration program presents the V*-kNN algorithm, an efficient algorithm to process moving k nearest neighbor queries (MkNN). The V*-kNN algorithm is based on a safe-region...
111
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ICDT
1999
ACM
15 years 4 months ago
1999
ACM
Abstract. In this paper we consider databases representing information about moving objects (e.g. vehicles), particularly their location. We address the problems of updating and qu...
201
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GIS
2004
ACM
16 years 22 days ago
2004
ACM
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
ISI
2003
Springer
15 years 4 months ago
2003
Springer
Understanding the data gathered thus far in a criminal investigation is of great importance, particularly in terms of guiding its future course. One established method of comprehen...
SRDS
1995
IEEE
15 years 3 months ago
1995
IEEE
Advances in computer and telecommunication technologies have made mobile computing a reality. However, greater mobility implies a more tenuous network connection and a higher rate...