A Collaborative Framework for Privacy Preserving Fuzzy Co-Clustering of Vertically Distributed Cooccurrence Matrices

Table 2

Comparison of partition quality measured by correlation coefficients among item memberships (heterogeneous partition case).

	Site 1	Site 2	Site 3	Site 4
Proposed model
Best (Max.)	0.998	0.998	0.997	0.998
Mean	0.810	0.825	0.978	0.796
Site-wise FCCM
Best (Max.)	0.970	0.950	0.972	0.877
Mean	0.768	0.947	0.972	0.640