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154
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SPAA
2003
ACM
15 years 9 months ago
2003
ACM
In the minimum path coloring problem, we are given a graph and a set of pairs of vertices of the graph and we are asked to connect the pairs by colored paths in such a way that pa...
148
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ASIACRYPT
2003
Springer
15 years 9 months ago
2003
Springer
Abstract. We study two closely related primitives: Broadcast Encryption and Key Predistribution Schemes (KPS). Broadcast Encryption allows a broadcaster to broadcast an encrypted m...
174
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CAISE
2003
Springer
15 years 9 months ago
2003
Springer
Abstract. Even though SQL has become widely accepted as a language for implementing relational database schemas and querying data, there are cases where s experience the need for n...
135
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CIAC
2003
Springer
15 years 9 months ago
2003
Springer
Abstract. We consider problems of (new) station placement along (existing) railway tracks, so as to increase the number of users. We prove that, in spite of the NP-hardness for the...
145
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CRYPTO
2003
Springer
15 years 9 months ago
2003
Springer
We deal with computational assumptions needed in order to design secure cryptographic schemes. We suggest a classi£cation of such assumptions based on the complexity of falsifying...