Comparison of IK, LK and TK using author-supplied keywords’ characteristics
| IK | LK | TK | ||
|---|---|---|---|---|
| All papers and keywords per paper | Papers | 6,025 | 7,129 | 8,089 |
| Author keywords | 12,752 | 15,726 | 18,100 | |
| Author keywords/paper | 2.12 | 2.21 | 2.24 | |
| Terms appearing 5 or more times in a paper | No. of keywords | 644 | 711 | 888 |
| Clusters | 14 | 17 | 21 | |
| Links | 8,249 | 7,419 | 11217 | |
| Total link strength (TLS) | 13,348 | 10,431 | 17,825 | |
| Links per keyword | 12.81 | 10.43 | 12.63 | |
| TLS/keyword | 20.73 | 14.67 | 20.07 |
| IK | LK | TK | ||
|---|---|---|---|---|
| All papers and keywords per paper | Papers | 6,025 | 7,129 | 8,089 |
| Author keywords | 12,752 | 15,726 | 18,100 | |
| Author keywords/paper | 2.12 | 2.21 | 2.24 | |
| Terms appearing 5 or more times in a paper | No. of keywords | 644 | 711 | 888 |
| Clusters | 14 | 17 | 21 | |
| Links | 8,249 | 7,419 | 11217 | |
| Total link strength (TLS) | 13,348 | 10,431 | 17,825 | |
| Links per keyword | 12.81 | 10.43 | 12.63 | |
| TLS/keyword | 20.73 | 14.67 | 20.07 |
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