Research Article
Text Classification Using Novel Term Weighting Scheme-Based Improved TF-IDF for Internet Media Reports
Table 12
Performance on the Fudan corpus using the SVM classifier.
| SVM | Precision | F1 score | Recall | TF-IDF | TF-IADF | TF-IADFnorm | TF-IADF+ | TF-IADF+norm | TF-IDF | TF-IADF | TF-IADFnorm | TF-IADF+ | TF-IADF+norm | TF-IDF | TF-IADF | TF-IADFnorm | TF-IADF+ | TF-IADF+norm |
| C11 | 96.10 | 95.98 | 96.13 | 96.24% | 96.24% | 92.06 | 92.99 | 92.84 | 91.75% | 91.75% | 94.03 | 94.46 | 94.45 | 93.94% | 93.94% | C15 | 100.00 | 100.00 | 100.00 | 100.00% | 100.00% | 9.09 | 9.09 | 9.09 | 9.09% | 9.09% | 16.67 | 16.67 | 16.67 | 16.67% | 16.67% | C16 | 100.00 | 100.00 | 100.00 | 100.00% | 100.00% | 3.57 | 3.57 | 3.57 | 3.57% | 3.57% | 6.90 | 6.90 | 6.90 | 6.90% | 6.90% | C17 | 100.00 | 100.00 | 100.00 | 100.00% | 100.00% | 18.52 | 22.22 | 22.22 | 18.52% | 18.52% | 31.25 | 36.36 | 36.36 | 31.25% | 31.25% | C19 | 95.64 | 95.93 | 95.53 | 95.50% | 95.56% | 98.53 | 98.97 | 99.12 | 98.53% | 98.31% | 97.06 | 97.43 | 97.29 | 96.99% | 96.92% | C23 | 100.00 | 100.00 | 100.00 | 100.00% | 100.00% | 5.88 | 5.88 | 5.88 | 5.88% | 5.88% | 11.11 | 11.11 | 11.11 | 11.11% | 11.11% | C29 | 100.00 | 96.15 | 95.65 | 100.00% | 100.00% | 8.48 | 42.37 | 37.29 | 5.09% | 3.39% | 15.63 | 58.82 | 53.66 | 9.68% | 6.56% | C3 | 87.10 | 88.85 | 89.17 | 87.18% | 86.90% | 95.55 | 95.55 | 95.42 | 95.28% | 94.74% | 91.13 | 92.08 | 92.19 | 91.05% | 90.65% | C31 | 95.61 | 96.97 | 97.77 | 95.80% | 95.86% | 96.63 | 97.21 | 96.96 | 97.29% | 97.04% | 96.12 | 97.09 | 97.36 | 96.54% | 96.45% | C32 | 94.17 | 94.10 | 93.47 | 94.43% | 94.37% | 96.38 | 96.67 | 96.58 | 96.18% | 95.21% | 95.26 | 95.37 | 95.00 | 95.30% | 94.79% | C34 | 90.20 | 90.18 | 90.23 | 89.67% | 87.03% | 94.88 | 95.19 | 94.63 | 94.88% | 94.75% | 92.48 | 92.62 | 92.38 | 92.20% | 90.73% | C35 | 100.00 | 95.24 | 92.31 | 100.00% | 100.00% | 23.08 | 38.46 | 46.15 | 11.54% | 7.69% | 37.50 | 54.80 | 61.54 | 20.69% | 14.29% | C36 | 100.00 | 100.00 | 100.00 | 100.00% | 100.00% | 1.89 | 13.21 | 15.09 | 1.89% | 1.89% | 3.70 | 23.33 | 26.23 | 3.70% | 3.70% | C37 | 100.00 | 100.00 | 100.00 | 100.00% | 100.00% | 5.26 | 5.26 | 5.26 | 5.26% | 5.26% | 10.00 | 10.00 | 10.00 | 10.00% | 10.00% | C38 | 82.65 | 82.36 | 82.78 | 83.19% | 82.66% | 95.61 | 94.64 | 94.64 | 95.52% | 95.22% | 88.66 | 88.07 | 88.31 | 88.93% | 88.50% | C39 | 85.36 | 88.69 | 87.68 | 84.86% | 85.93% | 96.73 | 96.97 | 96.49 | 96.97% | 96.89% | 90.69 | 92.65 | 91.88 | 90.51% | 91.08% | C4 | 100.00 | 100.00 | 100.00 | 100.00% | 100.00% | 5.88 | 5.88 | 5.88 | 5.88% | 2.94% | 11.11 | 11.11 | 11.11 | 11.11% | 5.71% | C5 | 66.67 | 66.67 | 66.67 | 66.67% | 66.67% | 3.28 | 3.28 | 3.28 | 3.28% | 3.28% | 6.25 | 6.25 | 6.25 | 6.25% | 6.25% | C6 | 88.89 | 88.89 | 90.00 | 88.89% | 88.89% | 17.78 | 17.78 | 20.00 | 17.78% | 17.78% | 29.63 | 29.63 | 32.73 | 29.63% | 29.63% | C7 | 82.78 | 81.30 | 80.99 | 82.43% | 81.70% | 68.80 | 72.44 | 73.72 | 68.16% | 65.81% | 75.15 | 76.61 | 77.18 | 74.62% | 72.90% |
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