1482 search results - page 248 / 297 » Mobile and embedded databases |
104
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SAC
2008
ACM
14 years 9 months ago
2008
ACM
Because of the large amount of trajectory data produced by mobile devices, there is an increasing need for mechanisms to extract knowledge from this data. Most existing works have...
VLDB
2011
ACM
14 years 4 months ago
2011
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...
146
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DBSEC
2011
14 years 1 months ago
2011
Abstract. With sensors and mobile devices becoming ubiquitous, situation monitoring applications are becoming a reality. Data Stream Management Systems (DSMSs) have been proposed t...
SIGMOD
2011
ACM
14 years 17 days ago
2011
ACM
A surprising query result is often an indication of errors in the query or the underlying data. Recent work suggests using causal reasoning to find explanations for the surprisin...
100
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ICCV
2011
IEEE
13 years 9 months ago
2011
IEEE
In this paper we address the problem of image retrieval from millions of database images. We improve the vocabulary tree based approach by introducing contextual weighting of loca...