Link prediction in online social networks based on supervised joint denoising model
2017
Link prediction of social networks can capture important information
about missing links for applications in many fields. Because of the
failure to make full use of information as well as capture all properties,
the link prediction precision of most of methods is low. For higher
precision, we propose a novel algorithm, a supervised joint denoising
model (SJDM) that formulates the link prediction problem as a supervised
matrix “denoising problem. The central piece of our method
is a function that is trained using the features of users and topological
structures of social networks. The function can map the observed “corrupted
matrix to an “uncorrupted matrix (target matrix). We performed
community detection using the target matrix, which is better than
using the original matrix. Five real networks are processed with this
algorithm. The results show that SJDM algorithm is more efficient
compared to the other four algorithms.
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