4127 search results - page 220 / 826 » Evaluation methods for topic models |
194
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VLDB
2006
ACM
15 years 11 months ago
2006
ACM
Abstract Traditional nearest-neighbor (NN) search is based on two basic indexing approaches: object-based indexing and solution-based indexing. The former is constructed based on t...
103
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AAAI
2012
13 years 1 months ago
2012
Twitter sentiment analysis (TSA) has become a hot research topic in recent years. The goal of this task is to discover the attitude or opinion of the tweets, which is typically fo...
118
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SCALESPACE
2007
Springer
15 years 5 months ago
2007
Springer
This paper presents a statistical model for textures that uses a non-negative decomposition on a set of local atoms learned from an exemplar. This model is described by the varianc...
WEBI
2009
Springer
15 years 5 months ago
2009
Springer
Filtering feature selection method (filtering method, for short) is a well-known feature selection strategy in pattern recognition and data mining. Filtering method outperforms ot...
TIFS
2010
14 years 5 months ago
2010
Face verification in the presence of age progression is an important problem that has not been widely addressed. In this paper, we study the problem by designing and evaluating dis...