166 search results - page 30 / 34 » On Learning Mixtures of Heavy-Tailed Distributions |
CIKM
2008
Springer
13 years 10 months ago
2008
Springer
Relevance feedback has been demonstrated to be an effective strategy for improving retrieval accuracy. The existing relevance feedback algorithms based on language models and vect...
KDD
2006
ACM
14 years 9 months ago
2006
ACM
This paper presents an LDA-style topic model that captures not only the low-dimensional structure of data, but also how the structure changes over time. Unlike other recent work t...
ICDM
2006
IEEE
14 years 2 months ago
2006
IEEE
Current outlier detection schemes typically output a numeric score representing the degree to which a given observation is an outlier. We argue that converting the scores into wel...
EMNLP
2008
13 years 10 months ago
2008
Previously topic models such as PLSI (Probabilistic Latent Semantic Indexing) and LDA (Latent Dirichlet Allocation) were developed for modeling the contents of plain texts. Recent...
NN
2007
Springer
13 years 8 months ago
2007
Springer
Several scientists suggested that certain perceptual qualities are based on sensorimotor anticipation: for example, the softness of a sponge is perceived by anticipating the sensa...