Table 2.
Data Used for Research.
| Data Source | Number of Documents | Volume |
|---|---|---|
| Naver | 12,787 | 6749 KB |
| Daum | 4509 | 1785 KB |
| 798 | 215 KB | |
| 480 | 95 KB | |
| Total | 18,574 | 8884 KB |
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