Table 5 Comparison of the proposed approach against two existing methods for heterogeneous data integration
Method | NMI | SMI |
|---|---|---|
The proposed two-tiered clustering | 0.66 | 36.11 |
Concatenating all heterogeneous features into a single vector (H y ) | 0.60 | 22.26 |
Averaging summarized heterogeneous (pairwise) similarities (H z ) | 0.64 | 33.59 |