2542 search results - page 288 / 509 » An Operational Definition of Context |
219
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CORR
2011
Springer
15 years 1 months ago
2011
Springer
We study in this paper provenance information for queries with aggregation. Provenance information was studied in the context of various query languages that do not allow for aggr...
157
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HOTNETS
2010
15 years 1 months ago
2010
Today's Internet services increasingly use IP-based geolocation to specialize the content and service provisioning for each user. However, these systems focus almost exclusiv...
200
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MEDES
2010
ACM
15 years 1 months ago
2010
ACM
In this paper, we describe a security model where users are allowed to control their obligations partially or totally, depending on the security policy. The main motivation of our...
217
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PODC
2003
ACM
15 years 12 months ago
2003
ACM
Traitor Tracing Schemes constitute a very useful tool against piracy in the context of digital content broadcast. In such multi-recipient encryption schemes, each decryption key is...
199
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WWW
2003
ACM
15 years 12 months ago
2003
ACM
An important factor in the successful deployment of federated web-services-based business activities will be the ability to guarantee reliable distributed operation and execution....