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README.md

A neural chatbot using sequence to sequence model with attentional decoder. This is a fully functional chatbot.

This is based on Google Translate Tensorflow model https://github.com/tensorflow/models/blob/master/tutorials/rnn/translate/

Sequence to sequence model by Cho et al.(2014)

Created by Chip Huyen (chiphuyen@cs.stanford.edu) CS20: "TensorFlow for Deep Learning Research" cs20.stanford.edu

The detailed assignment handout can be found at: https://docs.google.com/document/d/1GJfn2B6EI8JueDiBwzTAdD34d6pC99BSt6vldOmUCPQ/edit?usp=sharing

Sample conversation

HUMAN ++++ hi
BOT ++++ hi . what ' s your name ?
HUMAN ++++ i'm chip
BOT ++++ please .
HUMAN ++++ please what?
BOT ++++ i don ' t know what to say .
HUMAN ++++ where are you from?
BOT ++++ california .
HUMAN ++++ do you like california?
BOT ++++ i ' m okay .
HUMAN ++++ i like california a lot
BOT ++++ of what ?
HUMAN ++++ i live here
BOT ++++ and what is it ?
HUMAN ++++ california
BOT ++++ i don ' t know what to say .
HUMAN ++++ i'm a student here
BOT ++++ and get it out of here .
HUMAN ++++ what do you like to do in your free time?
BOT ++++ and what about the gun ?
HUMAN ++++ do you have a gun?
BOT ++++ yes .
HUMAN ++++ you're dangerous!
BOT ++++ i ' m not .
HUMAN ++++ do you go hunting?
BOT ++++ i can do .
HUMAN ++++ what do you hunt?
BOT ++++ virgin .
HUMAN ++++ that's very bad
BOT ++++ and you in love ?
HUMAN ++++ no i'm not
BOT ++++ please - -
HUMAN ++++ okay, i am
BOT ++++ and you are good .
HUMAN ++++ yeah i am good too.
BOT ++++ good good to you .
HUMAN ++++ are you in love?
BOT ++++ i ' m ready .
HUMAN ++++ ready for what?
BOT ++++ for what ?
HUMAN ++++ for what?
BOT ++++ i don ' t know what to say .
HUMAN ++++ tell me
BOT ++++ i can do it .
HUMAN ++++ okay, tell me what you're ready for
BOT ++++ i ' m doing you .
HUMAN ++++ no you're not
BOT ++++ please !
HUMAN ++++ this is a strange conversation
BOT ++++ i don ' t know what to say .
HUMAN ++++ are you a guy?
BOT ++++ of what ?
HUMAN ++++ are you a boy?
BOT ++++ i ' m fine .
HUMAN ++++ are you a man?
BOT ++++ i ' m a little .
HUMAN ++++ what's your name?
BOT ++++ chris -
HUMAN ++++ chris who?
BOT ++++ cornelius .
HUMAN ++++ so i guess you're a guy.
BOT ++++ i am .
HUMAN ++++ okay
BOT ++++ okay ?
HUMAN ++++ do you have a girlfriend?
BOT ++++ i ' m sure .
HUMAN ++++ what's her name?
BOT ++++ let ' s talk about something else .

See output_convo.txt for more sample conversations.

Usage

Step 1: create a data folder in your project directory, download the Cornell Movie-Dialogs Corpus from https://www.cs.cornell.edu/~cristian/Cornell_Movie-Dialogs_Corpus.html Unzip it

Step 2: update config.py file
Change DATA_PATH to where you store your data

Step 3: python3 data.py
This will do all the pre-processing for the Cornell dataset.

Step 4: python3 chatbot.py --mode [train/chat]
If mode is train, then you train the chatbot. By default, the model will restore the previously trained weights (if there is any) and continue training up on that.

If you want to start training from scratch, please delete all the checkpoints in the checkpoints folder.

If the mode is chat, you'll go into the interaction mode with the bot.

By default, all the conversations you have with the chatbot will be written into the file output_convo.txt in the processed folder. If you run this chatbot, I kindly ask you to send me the output_convo.txt so that I can improve the chatbot.

Thank you very much!