6746 search results - page 524 / 1350 » Multimodal Database Query |
171
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PVLDB
2010
15 years 5 months ago
2010
Enterprises often need to assess and manage the risk arising from uncertainty in their data. Such uncertainty is typically modeled as a probability distribution over the uncertain...
208
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EDBT
2009
ACM
15 years 10 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
253
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PODS
2012
ACM
13 years 9 months ago
2012
ACM
Data is increasingly being bought and sold online, and Webbased marketplace services have emerged to facilitate these activities. However, current mechanisms for pricing data are ...
179
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ICIP
2002
IEEE
16 years 8 months ago
2002
IEEE
Most image retrieval systems perform a linear search over the database to find the closest match to a query. However, databases usually exhibit a natural grouping structure into c...
170
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ADC
2009
Springer
16 years 1 months ago
2009
Springer
In this work an R-tree variant, which uses minimum volume covering ellipsoids instead of usual minimum bounding rectangles, is presented. The most significant aspects, which dete...