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ICALP
2007
Springer
14 years 1 months ago
Estimating Sum by Weighted Sampling
We study the classic problem of estimating the sum of n variables. The traditional uniform sampling approach requires a linear number of samples to provide any non-trivial guarante...
Rajeev Motwani, Rina Panigrahy, Ying Xu 0002
CVPR
2004
IEEE
14 years 9 months ago
Minimum Effective Dimension for Mixtures of Subspaces: A Robust GPCA Algorithm and Its Applications
In this paper, we propose a robust model selection criterion for mixtures of subspaces called minimum effective dimension (MED). Previous information-theoretic model selection cri...
Kun Huang, René Vidal, Yi Ma
DGCI
2005
Springer
14 years 27 days ago
Geometric Robot Mapping
Abstract. The purpose of this paper is to present a technique to create a global map of a robot’s surrounding by converting the raw data acquired from a scanning sensor to a comp...
Rolf Lakämper, Longin Jan Latecki, Xinyu Sun,...
EATCS
2002
46views more  EATCS 2002»
13 years 7 months ago
Understanding the Mulmuley-Sohoni Approach to P vs. NP
We explain the essence of K. Mulmuley and M. Sohoni, "Geometric Complexity Theory I: An Approach to the P vs. NP and Related Problems" [MS02] for a general complexity-the...
Kenneth W. Regan
PODS
2005
ACM
151views Database» more  PODS 2005»
14 years 7 months ago
Estimating arbitrary subset sums with few probes
Suppose we have a large table T of items i, each with a weight wi, e.g., people and their salary. In a general preprocessing step for estimating arbitrary subset sums, we assign e...
Noga Alon, Nick G. Duffield, Carsten Lund, Mikkel ...