minor update doc

fix the issue with relative path in the codes

fix the issue with relative path in the codes

save labels when exporting pb model

prepare keras model to be used directly in java

add sentiment analysis pb tensorflow model export

update multi-channel cnn in flask

for user who does not configure gpu on their local computer

refactor demo web folder

update doc

figure on comparing various algorithms

predict and train scripts for multi-channel cnn

predict script for lstm sigmoid and softmax

predict script for bidirectional lstm and glove ffn

predict script for cnn lstm