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» On the combinatorics of Galois numbers

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ECAI
2004
Springer

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OntoRefiner, a user query refinement interface usable for Semantic Web Portals

15 years 3 months ago

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We present a user interface, the OntoRefiner1 system, for helping the user to navigate numerous retrieved documents after a search querying a semantic portal which integrates a ver...

Brigitte Safar, Hassen Kefi, Chantal Reynaud

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COMBINATORICS
2006

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On the Number of Possible Row and Column Sums of 0, 1-Matrices

14 years 11 months ago

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For n a positive integer, we show that the number of of 2n-tuples of integers that are the row and column sums of some n

Daniel Goldstein, Richard Stong

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COMBINATORICS
2000

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Symmetric Sum-Free Partitions and Lower Bounds for Schur Numbers

14 years 11 months ago

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We give new lower bounds for the Schur numbers S(6) and S(7). This will imply new lower bounds for the Multicolor Ramsey Numbers R6(3) and R7(3). We also make several observations...

Harold Fredricksen, Melvin M. Sweet

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COCOON
2005
Springer

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The Money Changing Problem Revisited: Computing the Frobenius Number in Time O(k a1)

15 years 5 months ago

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Sebastian Böcker, Zsuzsanna Lipták

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