(c) The best value obtained for the k 3 parameter.
| Combinations | Parameters | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| k 1 | b | k 3 | k 1 | b | k 3 | k 1 | b | k 3 | k 1 | b | k 3 | k 1 | b | k 3 | k 1 | b | k 3 | k 1 | b | k 3 | |
| 1.3 | 0.6 | 0 | 1.3 | 0.6 | 1 | 1.3 | 0.6 | 2 | 1.3 | 0.6 | 7 | 1.3 | 0.6 | 1.5 | 1.3 | 0.6 | 1.2 | 1.3 | 0.6 | 1.3 | |
| Porter stemmer-NLM stopwords |
0.1824 | 0.1825 | 0.1824 | 0.1817 | 0.1823 | 0.1824 | 0.1822 | ||||||||||||||
| Porter stemmer-SMART stopwords |
0.1814 | 0.1813 | 0.1813 | 0.1810 | 0.1814 | 0.1814 | 0.1814 | ||||||||||||||
| Krovetz stemmer-NLM stopwords |
0.1811 | 0.1819 | 0.1825 | 0.1815 | 0.1822 | 0.1819 | 0.1819 | ||||||||||||||
| Krovetz stemmer-SMART stopwords | 0.1817 | 0.1822 | 0.1820 | 0.1815 | 0.1824 | 0.1824 | 0.1824 | ||||||||||||||
The bold font refers to the best values for the parameters.