R lang environment:
    + ggplot2
    + reshpape2
    + grid
    + scales

The R scripts for plotting should be placed at the same place which contains the evaluation folder.

folder structure:

|
|--Fig3.R
|--Fig4.R
|--Fig5.R
|--Fig6.R
|--eval
   |--
|--time
   |--
|--imquality
   |--
|--curve
   |--
|--evaluation
   |--wiki-Vote
      |--Alpha=0.7
      |--Alpha=0.85
      |--Alpha=1
   ...

   |--ca-AstroPh
      |--