221 search results - page 5 / 45 » An Efficient Distance Calculation Method for Uncertain Objec... |
106
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CIKM
2010
Springer
14 years 8 months ago
2010
Springer
Recently, several research efforts have addressed answering skyline queries efficiently over large datasets. However, this research lacks methods to compute these queries over un...
147
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SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...
CVPR
2005
IEEE
15 years 11 months ago
2005
IEEE
This paper considers the objectives of accurate stereo matching, especially at object boundaries, robustness against recording or illumination changes and efficiency of the calcul...
IDEAS
2003
IEEE
15 years 2 months ago
2003
IEEE
This paper presents a method for representing uncertainty in spatial data in a database. The model presented requires moderate amounts of storage space. To compute the probability...
207
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SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
Given a set of objects P and a query point q, a k nearest neighbor (k-NN) query retrieves the k objects in P that lie closest to q. Even though the problem is well-studied for sta...