48 search results - page 7 / 10 » Merkle Puzzles are Optimal |
FSE
2007
Springer
14 years 26 days ago
2007
Springer
Abstract. “Hash then encrypt” is an approach to message authentication, where first the message is hashed down using an ε-universal hash function, and then the resulting k-bi...
TIP
1998
13 years 6 months ago
1998
— The design of the optimal codebook for a given codebook size and input source is a challenging puzzle that remains to be solved. The key problem in optimal codebook design is h...
AAAI
2007
13 years 9 months ago
2007
Heuristic search is a leading approach to domain-independent planning. For cost-optimal planning, however, existing admissible heuristics are generally too weak to effectively gui...
GECCO
2005
Springer
14 years 7 days ago
2005
Springer
A number of recent studies introduced meta-evolutionary strategies and successfully used them for solving problems in genetic programming. While individual results indicate possib...
AIPS
2009
13 years 7 months ago
2009
In order to scale with modern processors, planning algorithms must become multi-threaded. In this paper, we present parallel shared-memory algorithms for two problems that underli...