Automatic Classification of Swedish Metadata Using Dewey Decimal Classification: A Comparison of Approaches
Koraljka Golub, Johan Hagelbäck, Anders Ardö
Table 8 Accuracy of the Naïve Bayes classifier when using two digits.
Naïve Bayes
Dataset Accuracy, unigrams Accuracy, unigrams + 2-grams
Training set Test set Training set Test set
T_KW_stm_2d 87.40% 65.64% 93.18% 67.79%
T_KW_2d 88.26% 64.78% 93.55% 66.92%
KW_2d 78.36% 68.12% 82.53% 67.94%