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ICPR
2010
IEEE
16 years 1 months ago
Bayesian Inference for Nonnegative Matrix Factor Deconvolution Models
In this paper we develop a probabilistic interpretation and a full Bayesian inference for non-negative matrix deconvolution (NMFD) model. Our ultimate goal is unsupervised extract...
Serap Kirbiz, Ali Taylan Cemgil, Bilge Gunsel
TPDS
2010
98views more  TPDS 2010»
15 years 5 months ago
Minimum Latency Gossiping in Radio Networks
—We studied the minimum latency gossiping (all-to-all broadcast) problem in multihop radio networks defined as follows: Each node in the network is preloaded with a message and t...
Scott C.-H. Huang, Peng-Jun Wan, Hongwei Du, E. K....
ITS
2010
Springer
128views Multimedia» more  ITS 2010»
15 years 10 months ago
Can Affect Be Detected from Intelligent Tutoring System Interaction Data? - A Preliminary Study
This study attempted to determine if it is possible to create an automatic affect detector using a combination of semantic and keystroke data. While the resulting models attained d...
Elizabeth A. Anglo, Ma. Mercedes T. Rodrigo
ORL
2010
85views more  ORL 2010»
15 years 5 months ago
Asymptotic behavior for MAP/PH/c queue with shortest queue discipline and jockeying
This paper considers a parallel queueing model with heterogeneous servers, where an arriving customer joins the shortest queue and jockeying between queues is permitted. Based on ...
Yutaka Sakuma
FS
2010
110views more  FS 2010»
15 years 5 months ago
A generalization of Panjer's recursion and numerically stable risk aggregation
Portfolio credit risk models as well as models for operational risk can often be treated analogously to the collective risk model coming from insurance. Applying the classical Panj...
Stefan Gerhold, Uwe Schmock, Richard Warnung