1298 search results - page 175 / 260 » The online set cover problem |
178
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CRYPTO
1993
Springer
15 years 10 months ago
1993
Springer
A broadcast encryption scheme allows the sender to securely distribute data to a dynamically changing set of users over an insecure channel. One of the most challenging settings fo...
280
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ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
We consider the problem of creating a sample view of a database table. A sample view is an indexed, materialized view that permits efficient sampling from an arbitrary range query...
276
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
The primary goal of data stream research is to develop space and time efficient solutions for answering continuous online summarization queries. Research efforts over the last dec...
172
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GLOBECOM
2009
IEEE
16 years 1 months ago
2009
IEEE
—In this paper we look at the problem of accurately reconstructing distributed signals through the collection of a small number of samples at a data gathering point. The techniqu...
157
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ICDAR
2009
IEEE
16 years 1 months ago
2009
IEEE
In this paper, we study the impact of an incremental level of skill in the forgeries against signature verification systems. Experiments are carried out using both off-line syste...