4127 search results - page 325 / 826 » Evaluation methods for topic models |
157
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AAAI
2007
15 years 8 months ago
2007
We investigate the impact of time on the predictability of sentiment classification research for models created from web logs. We show that sentiment classifiers are time dependen...
195
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NIPS
2008
15 years 7 months ago
2008
For many supervised learning problems, we possess prior knowledge about which features yield similar information about the target variable. In predicting the topic of a document, ...
159
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IJWBC
2006
15 years 6 months ago
2006
: Online communities are islands of people and topics that are not interlinked. Complementary discussions exist on disparate systems but it is currently difficult to exploit the av...
173
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IFIP
2009
Springer
15 years 3 months ago
2009
Springer
Abstract. Enterprise architecture (EA) management forms a commonly accepted means to enhance the alignment of business and IT, and to support the managed evolution of the enterpris...
165
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TSP
2010
15 years 25 days ago
2010
Detection and estimation problems in multiple-input multiple-output (MIMO) radar have recently drawn considerable interest in the signal processing community. Radar has long been a...