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Language peer sets for URL: United States↑ United States/1981↑ Designed 1981 ↑ 1980s languages ↑ Fourth generation↑ Late Cold War↑ URL(ID:4071/url001)alternate simple viewCountry: 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 Structures: References: Search in: Google Google scholar World Cat Yahoo Overture DBLP Monash bib NZ IEEE  ACM portal CiteSeer CSB ncstrl jstor Bookfinder |