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JSC
2008
85views more  JSC 2008»
15 years 6 months ago
Descent via isogeny on elliptic curves with large rational torsion subgroups
We outline PARI programs which assist with various algorithms related to descent via isogeny on elliptic curves. We describe, in this context, variations of standard inequalities w...
E. Victor Flynn, C. Grattoni
JSC
2006
85views more  JSC 2006»
15 years 6 months ago
Fraction-free row reduction of matrices of Ore polynomials
In this paper we give formulas for performing row reduction of a matrix of Ore polynomials in a fraction-free way. The reductions can be used for finding the rank and left nullspa...
Bernhard Beckermann, Howard Cheng, George Labahn
SIGIR
2008
ACM
15 years 6 months ago
Evaluation measures for preference judgments
There has been recent interest in collecting user or assessor preferences, rather than absolute judgments of relevance, for the evaluation or learning of ranking algorithms. Since...
Ben Carterette, Paul N. Bennett
IR
2007
15 years 6 months ago
Regularizing query-based retrieval scores
In information retrieval, the cluster hypothesis states: closely related documents tend to be relevant to the same request. We exploit this hypothesis directly by adjusting queryb...
Fernando Diaz
COR
2004
99views more  COR 2004»
15 years 6 months ago
A lexicographically fair allocation of discrete bandwidth for multirate multicast traffics
Fair bandwidth allocation is an important issue in the multicast network to serve each multicast traffic at a fair rate commensurate with the receiver's capabilities and the ...
Chae Y. Lee, Young P. Moon, Young Joo Cho