finin@prc.unisys.com (Tim Finin) (02/22/90)
Archive-name: pfl/20-Feb-90 Original-posting-by: finin@prc.unisys.com (Tim Finin) Original-subject: Re: Looking for PD Frame system in LISP or Smalltalk Archive-site: linc.cis.upenn.edu [130.91.6.8] Archive-directory: pub/pfl Reposted-by: emv@math.lsa.umich.edu (Edward Vielmetti) In article <16143@well.sf.ca.us>, frobozz@well (Jordan Bortz) writes: > >Hi --- I'm looking for source code to a simple frame >databse, ala Winston & Horn, in LISP, SCHEME, or Smalltalk. > >Any code or pointers would be greatly appreciated! Thanks, You can ftp a simple frame system from ~ftp/pub/pfl on linc.cis.upenn.edu. This directory includes the source files as well as two files which roll up the source -- a shar file (pflshar) and a tar file (pfltar). This simple pedagogical was descibed in: Finin, Tim, ``Understanding Frame Languages'', AI Expert, November, 1986. Finin, Tim, ``Implementing PFL'', AI Expert, December, 1986. Tim Tim Finin finin@prc.unisys.com Center for Advanced Information Technology 215-648-7446, 215-648-7412 (fax) Unisys, PO Box 517, Paoli, PA 19301 215-386-1749 (home)