4113 search results - page 374 / 823 » Watermarking Relational Databases |
321
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Abstract-- When dealing with massive quantities of data, topk queries are a powerful technique for returning only the k most relevant tuples for inspection, based on a scoring func...
274
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GIS
2005
ACM
16 years 7 months ago
2005
ACM
Several application contexts require the ability to use together and compare different geographic datasets (maps) concerning the same or overlapping areas. This is for example the...
147
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WWW
2001
ACM
16 years 7 months ago
2001
ACM
We discuss the de nition of keys for XML documents, paying particular attention to the concept of a relative key, which is commonly used in hierarchically structured documents and...
190
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ICIAP
2009
ACM
16 years 7 months ago
2009
ACM
This paper proposes a comparison of color features for image retrieval. In particular the UCID image database has been employed to compare the retrieval capabilities of different c...
294
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
Conditional functional dependencies (CFDs) have recently been proposed as extensions of classical functional dependencies that apply to a certain subset of the relation, as specif...