8825 search results - page 143 / 1765 » All for one or one for all |
122
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CN
2007
15 years 1 months ago
2007
A secure multicast framework should only allow authorized members of a group to decrypt received messages; usually, one ‘‘group key’’ is shared by all approved members. Ho...
145
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CRYPTO
2009
Springer
15 years 8 months ago
2009
Springer
We present a new methodology for proving security of encryption systems using what we call Dual System Encryption. Our techniques result in fully secure Identity-Based Encryption ...
126
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DIS
2009
Springer
15 years 8 months ago
2009
Springer
We analyze the dynamics of problem-solving in a framework which captures two key features of that activity. The first feature is that problem-solving is a social game where a numb...
123
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ICWE
2004
Springer
15 years 6 months ago
2004
Springer
Abstract. This paper describes the new e-learning tool CHESt that allows students to search in a knowledge base for short (teaching) multimedia clips by using a semantic search eng...
100
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ATAL
2003
Springer
15 years 6 months ago
2003
Springer
There are two ways of handling bilateral multi-issue negotiations – one is to negotiate all the issues together, and the other is to negotiate them one by one. The order in whic...