Main Process of Review Helpfulness Prediction

There's four parts of processing step.
1. Review data set. (include cellphone review data of 7 brands and
textprocessing program)
2. Preprocessing module. (include textprocessing programs and
segmentation user dictionary)
3. Feature extraction module. (include basic feature and sentiment
analysis extracted feature and related material)
4. Helpfulness prediction module. (include feature vector dataset with
different threshold and predicition program)