1459 search results - page 258 / 292 » An authorization model for temporal data |
135
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SIGMOD
1999
ACM
15 years 8 months ago
1999
ACM
It is envisaged that the application of the multilevel security (MLS) scheme will enhance exibility and e ectiveness of authorization policies in shared enterprise databases and w...
139
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IPSJ
1994
15 years 5 months ago
1994
The goal of the Tsimmis Project is to develop tools that facilitate the rapid integration of heterogeneous information sources that may include both structured and unstructured da...
158
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CN
2007
15 years 4 months ago
2007
Distributed denial of service (DDoS) has long been an open security problem of the Internet. Most proposed solutions require the upgrade of routers across the Internet, which is e...
171
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HUC
2011
Springer
14 years 4 months ago
2011
Springer
Sensor-enabled smartphones are opening a new frontier in the development of mobile sensing applications. The recognition of human activities and context from sensor-data using cla...
162
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WSDM
2009
ACM
15 years 11 months ago
2009
ACM
Text streams are becoming more and more ubiquitous, in the forms of news feeds, weblog archives and so on, which result in a large volume of data. An effective way to explore the...