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SAIL's main feature is a symbolic data system based upon an associative store based on LEAP by Jerry Feldman and Paul Rovner. Items may be stored as unordered sets or as associations (triples). Other features include processes, procedure variables, events and interrupts, contexts, [[backtracking]] and record [[garbage collection]]. It also has block-structured macros, a coroutining facility and some new data types intended for building search trees and association lists.
==History==
The [[GOGOL (programming language)|GOGOL compiler]] was originally written by Bill McKeeman on the [[PDP-1]]. It was essentially an [[integer]]-only version of [[ALGOL-60]] with a number of additions to provide direct access to the memory and other hardware to allow it to be used as a [[systems programming language]]. It reduced arrays to a single dimension, removed any ability to perform dynamic memory allocations, but did add some additional string functionality. A greatly updated version by John Sauter, GOGOL II, was written as part of a port of the underlying [[operating system]] from ODIN to THOR. When the [[Stanford AI Lab]] received their [[PDP-6]], Sauter, Pettit and Swinehart wrote GOGOL III for the new machine.{{sfn|Slimick|1971|p=22}}
==Uses==
A number of interesting software systems were coded in SAIL, including some early versions of [[File Transfer Protocol|FTP]] and [[TeX]], a document formatting system called PUB,<ref>{{cite web |archive-url=https://web.archive.org/web/20050205011125/http://www.nomodes.com/pub_manual.html |archive-date=5 February 2005|url=http://www.nomodes.com/pub_manual.html|title=PUB Manual|website=Nomodes.com|accessdate=30 December 2017}}</ref> and BRIGHT, a clinical database project sponsored by the [[National Institutes of Health]].<ref>{{cite journal|pmc=2578281 | pages=701–704 | journal=Proc Annu Symp Comput Appl Med Care | title=Development of a Friendly, Self-Teaching, Interactive Statistical Package for Analysis of Clinical Research Data: The BRIGHT STAT-PACK| year=1983 | last1=Rodbard | first1=D. | last2=Cole | first2=B. R. | last3=Munson | first3=P. J. | volume=8 | issue=3 | doi=10.1007/BF02224505 | pmid=6384409 }}</ref><ref>{{cite book|url=https://books.google.com/books?id=Aq2jBQAAQBAJ&q=BRIGHT+Decsystem10+nih&pg=PA479|title=NIH: An Account of Research in Its Laboratories and Clinics|first=DeWitt|last=Stetten|date=10 May 2014|publisher=Academic Press|isbn=9781483277554|via=Google Books}}</ref><ref>{{cite web|url=https://profiles.nlm.nih.gov/ps/access/BBGHLW.ocr|title=STANFORD UNIVERSITY MEDICAL EXPERIMENTAL COMPUTER RESOURCE : RR - 00785 : ANNUAL REPORT - YEAR 05|website=Profiles.nlm.nih.gov|accessdate=30 December 2017}}</ref><ref>{{cite web|url=https://archive.org/details/annualreportnati19851nati|title=Annual report : National Institutes of Health. Division of Computer Research and Technology|publisher=Bethesda, Md|website=Archive.org|accessdate=30 December 2017}}</ref><ref>{{cite web|url=http://www.ebooksread.com/authors-eng/national-institutes-of-health-us-division-of/annual-report--national-institutes-of-health-division-of-computer-research-and-ita-549/page-4-annual-report--national-institutes-of-health-division-of-computer-research-and-ita-549.shtml|title=Read the eBook Annual report : National Institutes of Health. Division of Computer Research and Technology (Volume 1981-83) by National Institutes of Health (U.S.). Division of online for free (page 4 of 56)|first=Denis Larionov & Alexander|last=Zhulin|website=Ebooksread.com|accessdate=30 December 2017}}</ref><ref>{{cite web|url=https://profiles.nlm.nih.gov/BB/G/H/M/D/_/bbghmd.ocr|title=PUFF/VM PROJECT : Section 4.1.6|website=Profiles.nlm.nih.gov|accessdate=30 December 2017}}</ref><ref>{{cite web|url=https://profiles.nlm.nih.gov/ps/access/BBGHJD.ocr|title=Section 9.2.6 : PUFF/WI Project|website=Profiles.nlm.nih.gov|accessdate=30 December 2017}}</ref><ref>{{cite web|url=https://profiles.nlm.nih.gov/ps/access/BBGHMS.ocr|title=Section 4.1.7 : PUFF/VM Project|website=Profiles.nlm.nih.gov|accessdate=30 December 2017}}</ref><ref>{{cite web|url=https://profiles.nlm.nih.gov/BB/G/H/L/W/_/bbghlw.pdf|title=STANFORD UNIVERSITY MEDICAL EXPERIMENTAL COMPUTER RESOURCE : RR - 00785 : ANNUAL REPORT -YEAR 05 |website=Profiles.nlm.nih.gov|accessdate=30 December 2017}}</ref>
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|publisher=Stanford Artificial Intelligence Laboratory
|date=August 1976
|url=http://www.bitsavers.org/pdf/stanford/sail/STAN-CS-76-574_SAIL_Aug76.pdf
}}
* {{cite journal
|first=John |last=Slimick
|title=Current Systems Implementation Languages: One User's View
|journal=ACM SIGPLAN Notices
|date=October 1971
|volume=6 |issue=9
|pages=20-28
|doi=10.1145/942596.807056
|url=http://www.bitsavers.org/pdf/stanford/sail/STAN-CS-76-574_SAIL_Aug76.pdf
}}
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