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Sequence and activity diagrams were already present in Jacobsons original method, which again is based on the "Ericsson Approach" (originating in 1967), long be
by Rochus 3y ago
Sequence and activity diagrams were already present in Jacobsons original method, which again is based on the "Ericsson Approach" (originating in 1967), long before UML; they were called interaction diagram and state transition graph.
- cachvico 3y agoWho's Jacobson? Google doesn't turn anything up. Neither does "Ericsson Approach" for that matter..
- agumonkey 3y agoThis guy https://en.wikipedia.org/wiki/Ivar_Jacobson https://en.wikipedia.org/wiki/Ivar_Jacobson
- cachvico 3y agoThanks!
- Rochus 3y agoHave a look at e.g. this presentation: https://web.archive.org/web/20060622072014if_/http://www.tcrug.org:80/Documents/PPM02%20final.ppt https://web.archive.org/web/20060622072014if_/http://www.tcr... The state transition graphs of Objectory (Jacobson's method) on the other hand originated in SDL process and procedure diagrams, which were issued in 1976 by CCITT as the Z101 to Z104 recommendations.