Path: utzoo!attcan!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!samsung!zaphod.mps.ohio-state.edu!uwm.edu!dogie.macc.wisc.edu!decwrl!shelby!neon!neon!gumby From: gumby@Cygnus.COM (David Vinayak Wallace) Newsgroups: comp.lang.lisp Subject: REAL LISP applications Message-ID: Date: 28 May 90 00:12:36 GMT References: <1990May24.195449.15510@king.mcs.drexel.edu> <1990May25.221509.21274@evax.arl.utexas.edu> <22308@dartvax.Dartmouth.EDU> <36850@think.Think.COM> <2586@skye.ed.ac.uk> Sender: news@Neon.Stanford.EDU (USENET News System) Distribution: comp Organization: Cygnus Support Lines: 23 In-Reply-To: jeff@aiai.ed.ac.uk's message of 27 May 90 16:43:47 GMT Date: 27 May 90 16:43:47 GMT From: jeff@aiai.ed.ac.uk (Jeff Dalton) In article <36850@think.Think.COM> barmar@nugodot.think.com (Barry Margolin) writes: >One I can think of offhand is that American Express is using an expert >system running on Symbolics Lisp Machines to automate purchase >authorization.. It also improves the way information is presented to the human authorizer in a number of ways, including such details as displaying numbers with leading zeros supressed (which the older interface apparently didn't do). Ah finally, a useful feature of Lisp: its maahvelous pretty-printer! Seriously, reputedly the Amex system does speed some things up, but it has no space for hand-written exceptions (and there are always some which are hard to code in any current rule system). This via DBL; I haven't used the system myself (except as a customer). Not a lisp comment I guess, but useful to anyone who thinks "Oh, if only I had a computer doing this it would all be better!"