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JMLR
2012
13 years 9 months ago
Approximate Inference in Additive Factorial HMMs with Application to Energy Disaggregation
This paper considers additive factorial hidden Markov models, an extension to HMMs where the state factors into multiple independent chains, and the output is an additive function...
J. Zico Kolter, Tommi Jaakkola
TOG
2012
301views Communications» more  TOG 2012»
13 years 9 months ago
An analytic model for full spectral sky-dome radiance
We present a physically-based analytical model of the daytime sky. Based on the results of a first-principles brute force simulation of radiative transfer in the atmosphere, we u...
Lukas Hosek, Alexander Wilkie
ICDE
2005
IEEE
173views Database» more  ICDE 2005»
16 years 8 months ago
Stabbing the Sky: Efficient Skyline Computation over Sliding Windows
We consider the problem of efficiently computing the skyline against the most recent N elements in a data stream seen so far. Specifically, we study the n-of-N skyline queries; th...
Xuemin Lin, Yidong Yuan, Wei Wang 0011, Hongjun Lu
STOC
2007
ACM
105views Algorithms» more  STOC 2007»
16 years 7 months ago
Balanced allocations: the weighted case
We investigate balls-and-bins processes where m weighted balls are placed into n bins using the "power of two choices" paradigm, whereby a ball is inserted into the less...
Kunal Talwar, Udi Wieder
PODC
2004
ACM
16 years 5 days ago
Signed quorum systems
Abstract With n servers that independently fail with probability of p < 0.5, it is well known that the majority quorum system achieves the best availability among all quorum sys...
Haifeng Yu