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of 32
pro vyhledávání: '"Kirshner, Sergey"'
We consider the problem of modeling discrete-valued vector time series data using extensions of Chow-Liu tree models to capture both dependencies across time and dependencies across variables. Conditional Chow-Liu tree models are introduced, as an ex
Externí odkaz:
http://arxiv.org/abs/1207.4142
We propose a novel approach for density estimation with exponential families for the case when the true density may not fall within the chosen family. Our approach augments the sufficient statistics with features designed to accumulate probability ma
Externí odkaz:
http://arxiv.org/abs/1206.5036
Autor:
Lunga, Dalton, Kirshner, Sergey
We propose a novel model for generating graphs similar to a given example graph. Unlike standard approaches that compute features of graphs in Euclidean space, our approach obtains features on a surface of a hypersphere. We then utilize a von Mises-F
Externí odkaz:
http://arxiv.org/abs/1105.2965
Adaptivity, both of the individual agents and of the interaction structure among the agents, seems indispensable for scaling up multi-agent systems (MAS's) in noisy environments. One important consideration in designing adaptive agents is choosing th
Externí odkaz:
http://arxiv.org/abs/cs/9912011
Autor:
Fu, Guobin, Charles, Stephen P., Chiew, Francis H.S., Teng, Jin, Zheng, Hongxing, Frost, Andrew J., Liu, Wenbin, Kirshner, Sergey
Publikováno v:
In Journal of Hydrology 7 June 2013 492:254-265
Publikováno v:
Journal of Climate, 2004 Nov . 17(22), 4407-4424.
Externí odkaz:
https://www.jstor.org/stable/26251955
Publikováno v:
In Physica D: Nonlinear Phenomena 2007 230(1):72-87
Akademický článek
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Publikováno v:
2011 Symposium on Data-Driven Approaches to Droughts
Droughts are used to reflect water shortages. A precise mathematical definition of droughts does not exist, and a drought is loosely worded as “a prolonged absence or marked deficiency of precipitation”. Numerous drought indices have been develop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______540::7714ec487385c339bdad7bf89be699df
http://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=1032&context=ddad2011
http://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=1032&context=ddad2011
Publikováno v:
2011 Symposium on Data-Driven Approaches to Droughts
Droughts are evaluated using drought indices that measure the departure of meteorological and hydrological variables such as precipitation and stream flow from their long-term averages. While there are many drought indices proposed in the literature,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______540::8987980c586bd7855ffeac84c8f1948a
http://docs.lib.purdue.edu/ddad2011/26
http://docs.lib.purdue.edu/ddad2011/26