Table 5. The impact of low-frequency words on the performance of AICDR.
The best results are highlighted in bold.
Datasets | Topic models | Methods | ||
---|---|---|---|---|
One-Hot | BOW | TF-IDF | ||
BBCsport | LDA | 5 | 5 | 5 |
NMF | 4 | 4 | 4 | |
K-Means | 5 | 2 | 5 | |
BBCNews | LDA | 6 | 6 | 6 |
NMF | 5 | 5 | 5 | |
K-Means | 3 | 3 | 6 | |
Reuters | LDA | 3 | 3 | 3 |
NMF | 3 | 3 | 3 | |
K-Means | 3 | 2 | 3 | |
AGNews | GSDMM | 4 | 4 | 4 |
SeaNMF | 5 | 5 | 5 | |
Snippets-1 | GSDMM | 4 | 4 | 4 |
SeaNMF | 4 | 4 | 4 | |
Snippets-2 | GSDMM | 3 | 3 | 3 |
SeaNMF | 3 | 3 | 3 |