344 search results - page 25 / 69 » A constant factor approximation algorithm for a class of cla... |
NIPS
2004
13 years 9 months ago
2004
We study the problem of hierarchical classification when labels corresponding to partial and/or multiple paths in the underlying taxonomy are allowed. We introduce a new hierarchi...
ECCC
2008
13 years 8 months ago
2008
We construct public-key cryptosystems that are secure assuming the worst-case hardness of approximating the minimum distance on n-dimensional lattices to within small poly(n) fact...
STOC
2004
ACM
14 years 8 months ago
2004
ACM
We prove the following inequality: for every positive integer n and every collection X1, . . . , Xn of nonnegative independent random variables that each has expectation 1, the pr...
SODA
1993
ACM
13 years 9 months ago
1993
ACM
Given a set of n points in d-dimensional Euclidean space, S ⊂ Ed , and a query point q ∈ Ed , we wish to determine the nearest neighbor of q, that is, the point of S whose Euc...
APPROX
2008
Springer
13 years 10 months ago
2008
Springer
In the field of robust optimization, the goal is to provide solutions to combinatorial problems that hedge against variations of the numerical parameters. This constitutes an effor...