Iterate
  1. \hat{Y}^{(t+1)} \leftArrow D^{-1} W \hat{Y}^{(t)}
  2. \hat{Y}^{(t+1)}_l \leftArrow Y_l
 until convergence to \hat{Y}^{(\infty)}

  $ mvn compile
  $ mvn package
  $ cat data/sample.json
  [2, 1, [[1, 1.0], [3, 1.0]]]
  [3, 0, [[1, 1.0], [2, 1.0], [4, 1.0]]]
  [4, 0, [[3, 1.0], [5, 1.0], [8, 1.0]]]
  [5, 0, [[4, 1.0], [6, 1.0], [7, 1.0]]]
  [6, 2, [[5, 1.0], [7, 1.0]]]
  [7, 0, [[5, 1.0], [6, 1.0]]]
  [8, 0, [[4, 1.0], [9, 1.0]]]
  [9, 2, [[8, 1.0]]]
  $ java -classpath target/labelprop-1.0-SNAPSHOT-jar-with-dependencies.jar \
     org.ooxo.LProp \
     -a GFHF \
     -m 100 \
     -e 10e-5 \
     data/sample.json
  Number of vertices:            9
  Number of class labels:        2
  Number of unlabeled vertices:  6
  Numebr of labeled vertices:    3
  eps:                          1e-5
  max iteration:                100
  .............................
  iter = 29, eps = 9.918212890613898E-5
  [1,1,[1,0.8706],[2,0.1294]]
  [2,1,[1,1.0000],[2,0.0000]]
  [3,1,[1,0.7412],[2,0.2588]]
  [4,2,[1,0.3529],[2,0.6470]]
  [5,2,[1,0.1412],[2,0.8588]]
  [6,2,[1,0.0000],[2,1.0000]]
  [7,2,[1,0.0706],[2,0.9294]]
  [8,2,[1,0.1765],[2,0.8235]]
  [9,2,[1,0.0000],[2,1.0000]]