5869 search results - page 399 / 1174 » Multilingual Information Access |
218
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SACMAT
2006
ACM
16 years 23 days ago
2006
ACM
We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. Our secondary and approximate authorization model (...
226
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STOC
2000
ACM
15 years 10 months ago
2000
ACM
We first study the problem of doing Verifiable Secret Sharing (VSS) information theoretically secure for a general access structure. We do it in the model where private channels b...
316
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Book
"The Hypertext Transfer Protocol (HTTP) allows information to be exchanged between a web server and a web browser. C# allows you to program HTTP directly. HTTP programming all...
145
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WPES
2005
ACM
16 years 11 days ago
2005
ACM
Protecting privacy means to ensure users that access to their personal data complies with their preferences. However, information can be manipulated in order to derive new objects...
142
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DMS
2008
15 years 8 months ago
2008
In this position paper we discuss the role of geographical metaphors as tools for representing, organizing and accessing heterogeneous shared information, typical of the Web 2.0. ...