6650 search results - page 514 / 1330 » Mutating database queries |
209
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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...
181
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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...
172
Voted
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...
171
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TIME
2005
IEEE
16 years 14 days ago
2005
IEEE
This paper presents an XML-based approach to implementing the parametric model of temporal databases. In the parametric model, attribute values are functions of time and the entir...
305
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DEXA
2004
Springer
16 years 9 days ago
2004
Springer
Abstract. Previous works in change detection on XML focused on detecting changes to text file using ordered and unordered tree model. These approaches are not suitable for detecti...