Research Article
A Novel Search Ranking Method for MOOCs Using Unstructured Course Information
Table 2
Average coherence score on the top
representative words.
| | DBSCAN | -means | LDA |
| | 5 | -19.18 | -17.14 | -16.46 | | 10 | -115.46 | -108.96 | -92.18 | | 15 | -282.87 | -262.51 | -243.70 | | 20 | -541.50 | -503.45 | -472.54 |
|
|
