IN THE SCHOOL OF COMPUTER SCIENCE,
UNIVERSITY OF BIRMINGHAM, UK
A simple 'chatbot' implemented in the Pop-11 programming
Type something into the box to the left of the 'Submit Query' button (below), then press the
RETURN key or click on the button. Eliza will read what you have written, print your comment
and her (its!) answer, above the input panel, and wait for your next input.
[Click on the input box or press the 'TAB' key before typing.]
GOOD DAY -- WHAT IS YOUR PROBLEM? (Type answer on next line.)
Please enter your sentence, or NEW (in upper case) to start again.
Can you guess the rules Eliza uses to answer your questions?
This is question no: 2854 (since 25 Sep 2014)
You will generally get more interesting comments from Eliza if you make
assertions, instead of
This version of Eliza is implemented in the Pop-11 programming
Video tutorials on Pop11, including implementing simple chatbots, can be
Teachers and others interested in AI in Schools may join
Pop11 can be used to teach a variety of programming paradigms and is not restricted to AI
For an introductory tutorial on implementing Eliza in Pop11 see
this plain text file.
A more advanced Pop11 tutorial related to this one is
For an introduction to the idea of "Thinky Programming" and how that differs from
of programming, take a look at
this web page.
For some previous interactions with Eliza
For more on Pop-11 see
The pop-11 primer
The Pop-11 source code for a version of Eliza very similar to the
one demonstrated is
This is all part of the Open Source
Maintained by Aaron Sloman
Please email problems to A.Sloman @ cs.bham.ac.uk
With thanks for much help to Mark Roberts for tutorials on PHP.
Installed: 25 Sep 2002 -- Last updated: 24 Feb 2012; 29 Mar 2012; 18
Jul 2012; 31 Oct 2013; 27 Nov 2013