Download data from https://cseweb.ucsd.edu/~jmcauley/datasets/amazon/links.html (Amazon2014) unziped in the ./data/raw_data/amazon2014 as ./data/raw_data/amazon2014/*.json
training model as using ./train.sh dataset
e.g. training the data reviews_Beauty_5.json ./train.sh reviews_Beauty_5
the model will saved in ./out/amazon2014
After training over, using ./test.sh dataset
e.g. ./test.sh reviews_Beauty_5
the eval result will saved in ./eval/amazon2014