Table 2.
The number of terms extracted before and after filtering
| PrefixSpan | C-Value | TextRank | |
|---|---|---|---|
| Before | 383,397 | 56,264 | 55,055 |
| After | 564 | 3138 | 3025 |
| Percentage | 0.14 % | 5.58 % | 5.49 % |
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