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Video encyclopedia

ELIZA

1:50

Before Siri and Alexa, there was ELIZA

5:34

Chatting with ELIZA - The Legendary COMPUTER PSYCHOTHERAPIST (and the first NLP program ever)

7:05

Demonstration of ELIZA NLP system

2:02

Eliza — Please tell me your problem (Bits and Bytes, Episode 7)

2:31

ELIZA --- A simple agent with surprising lessons (on AI goals, and human goals)

ELIZA is an early natural language processing computer program created from 1964 to 1966 at the MIT Artificial Intelligence Laboratory by Joseph Weizenbaum. Created to demonstrate the superficiality of communication between humans and machines, Eliza simulated conversation by using a 'pattern matching' and substitution methodology that gave users an illusion of understanding on the part of the program, but had no built in framework for contextualizing events. Directives on how to interact were provided by 'scripts', written originally in MAD-Slip, which allowed ELIZA to process user inputs and engage in discourse following the rules and directions of the script. The most famous script, DOCTOR, simulated a Rogerian psychotherapist and used rules, dictated in the script, to respond with non-directional questions to user inputs. As such, ELIZA was one of the first chatterbots and one of the first programs capable of attempting the Turing Test.
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  • Overview 

  • Design 

  • In popular culture 

  • Response and legacy