Link Prediction via Convex Nonnegative Matrix Factorization on Multiscale Blocks

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="786156.fig.004a" src="https://static.hindawi.com/articles/jam/volume-2014/786156/figures/786156.fig.004a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Enron-email</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="786156.fig.004b" src="https://static.hindawi.com/articles/jam/volume-2014/786156/figures/786156.fig.004b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Eu-email</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="786156.fig.004c" src="https://static.hindawi.com/articles/jam/volume-2014/786156/figures/786156.fig.004c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Power</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="786156.fig.004d" src="https://static.hindawi.com/articles/jam/volume-2014/786156/figures/786156.fig.004d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>GR-QC</td></tr></table></td></tr></table>

<table>Comparison of <svg height="11.175" id="M234" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 17.475 11.175" width="17.475" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.113)"><path d="M998 650l-8 -28q-71 -4 -86 -16t-22 -69l-50 -397q-3 -28 -4.5 -44t2 -29t6.5 -18.5t17 -10.5t24.5 -6.5t37.5 -3.5l-8 -28h-271l7 28q63 6 78 22t25 90l60 415h-2l-353 -552h-23l-130 536h-2l-70 -254q-44 -158 -47 -188q-5 -38 9 -51t71 -18l-6 -28h-241l8 28
q45 4 67 18.5t35 45.5q16 38 74 233l52 173q24 79 11.5 98t-89.5 26l6 28h177l136 -508l337 508h172z" id="x1D440"></path></g>
</svg>-CNMF with CN.</table>

Journal of Applied Mathematics

fig4

Figure 4

Figure 4: Link Prediction via Convex Nonnegative Matrix Factorization on Multiscale Blocks 