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206
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ICISC
2008
15 years 9 months ago
2008
Group key agreement (GKA) allows a set of players to establish a shared secret and thus bootstrap secure group communication. GKA is very useful in many types of peer group scenar...
203
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ICWS
2008
IEEE
15 years 9 months ago
2008
IEEE
We study the access control integration problem for web services. Organizations frequently use many services, each with its own access control policies, that must interoperate whi...
194
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LREC
2008
15 years 9 months ago
2008
Data models and encoding formats for syntactically annotated text corpora need to deal with syntactic ambiguity; underspecified representations are particularly well suited for th...
211
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IJCAI
2007
15 years 9 months ago
2007
We consider how to combine the preferences of multiple agents despite the presence of incompleteness and incomparability in their preference orderings. An agent’s preference orde...
197
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IPCO
2007
15 years 8 months ago
2007
Abstract. We consider the single machine scheduling problem to minimize the average weighted completion time under precedence constrains. Improving on the various 2-approximation a...