579 search results - page 5 / 116 » Modeling word burstiness using the Dirichlet distribution |
76
Voted
LCN
2002
IEEE
15 years 4 months ago
2002
IEEE
Wireless channels usually face bursty errors, i.e., errors are prone to occur in clusters. These bit errors can be modeled using the Gilbert-Elliott model. When data packets are t...
129
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ICASSP
2009
IEEE
14 years 9 months ago
2009
IEEE
In this paper, we propose a novel sparse source separation method that can be applied even if the number of sources is unknown. Recently, many sparse source separation approaches ...
102
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KDD
2007
ACM
16 years 1 days ago
2007
ACM
Documents, such as those seen on Wikipedia and Folksonomy, have tended to be assigned with multiple topics as a meta-data. Therefore, it is more and more important to analyze a re...
114
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CORR
2012
Springer
13 years 7 months ago
2012
Springer
Models of bags of words typically assume topic mixing so that the words in a single bag come from a limited number of topics. We show here that many sets of bag of words exhibit a...
104
Voted
ISIPTA
2005
IEEE
15 years 5 months ago
2005
IEEE
The paper presents an efficient solution to decision problems where direct partial information on the distribution of the states of nature is available, either by observations of ...