Research Article

Detecting Communities in 2-Mode Networks via Fast Nonnegative Matrix Trifactorization

Table 1

Basic properties of the real bipartite networks adopted in our experimentation.

NetworkSubject nodeObject nodeEdgeWeighted

Southwomen141889No
Scotland108136356Yes
Irvine forum52289933720No
MovieLens9431682100000Yes
Cond-mat167262201558595No