Research Article
Gamma-Poisson Distribution Model for Text Categorization
Table 4
Classification results for the 20 Newsgroups dataset. For our results, we show the data obtained with all the words in the initial vocabulary.
| Model | Present work | Allison [9] | Madsen et al. [7] | Clinchant and Gaussier [8] | Joachims [21] | Kibriya et al. [22] |
| Multinomial | | | | 0.875 | 0.896 | 0.8836 | Dirichlet-multinomial | | | | 0.878 | | | beta-binomial | | | | | | | gamma-Poisson | | | | | | | SVM | | | | | | 0.9352 |
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