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Language peer sets for URL:
United States
United States/1981
Designed 1981
1980s languages
Fourth generation
Late Cold War


alternate simple view
Country: United States
Designed 1981

for User-requirements language

Enables the analyst to describe the requirements for information processing systems and to record such descriptions in machine-processable form

  • Teichroew, D.; Hershey, A.; and Spewak, S.; (1977) Teichroew, D.; Hershey, A.; and Spewak, S.; "User Requirements Language (URL) User's Manual. Part I. (Description)" H6180/Multics/Version 3.2. Michigan Univ Ann Arbor Dept of Industrial and Operations Engineering Mar 1977 Abstract
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