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189
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
Prolog's ability to return multiple answers on backtracking provides an elegant mechanism to derive reversible encodings of combinatorial objects as Natural Numbers i.e. ranki...
146
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COMBINATORICS
2007
15 years 6 months ago
2007
For a prime p and a vector ¯α = (α1, . . . , αk) ∈ Zk p let f (¯α, p) be the largest n such that in each set A ⊆ Zp of n elements one can find x which has a unique repr...
125
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CRYPTOLOGIA
2007
15 years 6 months ago
2007
When attacking the German Enigma cipher machine during the 1930s, the Polish mathematician Marian Rejewski developed a catalog of disjoint cycles of permutations generated by Enigm...
201
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JAR
2007
15 years 6 months ago
2007
As applications of description logics proliferate, efficient reasoning with knowledge bases containing many assertions becomes ever more important. For such cases, we developed a n...
169
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CJ
2002
15 years 6 months ago
2002
Bloom filters make use of a "probabilistic" hash-coding method to reduce the amount of space required to store a hash set. A Bloom filter offers a trade-off between its ...