Research Article
Optimization of Tennis Teaching Resources and Data Visualization Based on Support Vector Machine
Table 4
Features extracted from documents.
| | TF | TF of body | TF of anchor | TF of title | TF of URL | TF of whole doc |
| | IDF | IDF of body | IDF of anchor | IDF of title | IDF of URL | IDF of whole doc | | TFIDT | TFIDT of body | TFIDT of anchor | TFIDT of title | TFIDT of URL | TFIDT of whole doc | | DL | DL of body | DL of anchor | DL of title | DL of URL | DL of whole doc | | BM25 | BM20 of body | BM20 of anchor | BM20 of title | BM20 of URL | BM20 of whole doc |
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