6455 search results - page 899 / 1291 » Research problems |
146
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KDD
2006
ACM
16 years 6 months ago
2006
ACM
We introduce a new EM framework in which it is possible not only to optimize the model parameters but also the number of model components. A key feature of our approach is that we...
174
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KDD
2006
ACM
16 years 6 months ago
2006
ACM
The problem of time series classification has attracted great interest in the last decade. However current research assumes the existence of large amounts of labeled training data...
166
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KDD
2004
ACM
16 years 6 months ago
2004
ACM
Extracting sentiments from unstructured text has emerged as an important problem in many disciplines. An accurate method would enable us, for example, to mine online opinions from ...
165
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KDD
2001
ACM
16 years 6 months ago
2001
ACM
Building predictive models and finding useful rules are two important tasks of data mining. While building predictive models has been well studied, finding useful rules for action...
156
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CHI
2008
ACM
16 years 6 months ago
2008
ACM
The problem of extracting information from large collections of imagery is a challenge with few good solutions. Computers typically cannot interpret imagery as effectively as huma...