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A Ruby implementation ELIZA, your friendly neighborhood robo Rogerian psychotherapist.

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ELIZA-rb

A Ruby implementation Joseph Weizenbaum's ELIZA, your friendly neighborhood robo Rogerian psychotherapist.

This is a work in progress. The rules needs a bit more work before it's ready for 1.0. In the meantime have fun and let me know how it goes.

This is what it looks like chatting with her,

ELIZA: Please tell me what's been bothering you.
I have problems sleeping every night. 
ELIZA: That's quite interesting.
It's not really interesting. More bothersome than anything. 
ELIZA: What does that suggest to you?
I think it means that I've been having bad dreams. 
ELIZA: You say you think it means that you've been having bad dreams?
Yes, exactly. 
ELIZA: I understand.
But how can you? You're a computer!
ELIZA: What about machines worries you?

Getting Started

Installing

TBD

Usage

eliza   = Eliza::Bot.new
initial = eliza.initial_phrase
reply   = eliza.transform(input_string)

 # `#transform` returns a final phrase in case of a quit phrase
 # but you can also get a final phrase with:
 final  = eliza.final_phrase

Command Line Interface

You can chat with ELIZA on the CLI by running:

./bin/eliza-rb

Docker

If you already have Docker installed, here's how you can get started:

  • docker build -t eliza-rb github.com/tansengming/eliza-rb
  • docker run -it eliza-rb

Development

Approach

ELIZA works by matching keywords and using those keywords to form replies with a bunch of rules:

Let's say forget is a keyword with decomposition and reassembly rules that look like this:

{
  decomposition_pattern: "* i forget *"
  reassembly_pattern: Can you think of why you might forget \2?
}

If we start off with a sentence like:

What if I forget about the kettle?

Applying the rules would create this reply:

Can you think of why you might forget about the kettle?

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A Ruby implementation ELIZA, your friendly neighborhood robo Rogerian psychotherapist.

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