556 search results - page 55 / 112 » Evaluation of probabilistic queries in moving objects databa... |
198
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SIGMOD
2006
ACM
16 years 1 months ago
2006
ACM
We present our prototype system, OMCAT, which optimizes the reevaluation of a set of pending continuous spatio-temporal queries on trajectory data, when some of the trajectories a...
117
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SSD
2009
Springer
15 years 8 months ago
2009
Springer
Outsourcing data to third party data providers is becoming a common practice for data owners to avoid the cost of managing and maintaining databases. Meanwhile, due to the populari...
VLDB
2005
ACM
15 years 7 months ago
2005
ACM
In an “uncertain database”, an object o is associated with a multi-dimensional probability density function (pdf), which describes the likelihood that o appears at each positi...
111
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CIVR
2007
Springer
15 years 7 months ago
2007
Springer
We present a novel matching and similarity evaluation method for planar geometric shapes represented by sets of polygonal curves. Given two shapes, the matching algorithm randomly...
118
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CIKM
2011
Springer
14 years 1 months ago
2011
Springer
A growing number of applications are built on top of search engines and issue complex structured queries. This paper contributes a customisable ranking-based processing of such qu...