{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,19]],"date-time":"2025-06-19T04:31:11Z","timestamp":1750307471099,"version":"3.41.0"},"reference-count":0,"publisher":"Association for Computing Machinery (ACM)","issue":"1","license":[{"start":{"date-parts":[[2011,1,24]],"date-time":"2011-01-24T00:00:00Z","timestamp":1295827200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":["SIGSOFT Softw. Eng. Notes"],"published-print":{"date-parts":[[2011,1,24]]},"abstract":"<jats:p>Traditional computer specifications focus on states and state transitions. In contrast, Jackson System Development (JSD) focuses on events and the sequence in which events may occur. I present an argument-by-example for JSD-style event-oriented specifications and show that Python can be used to create executable JSD specifications.<\/jats:p>","DOI":"10.1145\/1921532.1921539","type":"journal-article","created":{"date-parts":[[2011,2,8]],"date-time":"2011-02-08T13:21:01Z","timestamp":1297171261000},"page":"1-7","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Miss Grant's controller"],"prefix":"10.1145","volume":"36","author":[{"given":"Stephen","family":"Ferg","sequence":"first","affiliation":[{"name":"Stephen Ferg Associates"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2011,1,24]]},"container-title":["ACM SIGSOFT Software Engineering Notes"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/1921532.1921539","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/1921532.1921539","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T12:08:41Z","timestamp":1750248521000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/1921532.1921539"}},"subtitle":["an executable JSD specification"],"short-title":[],"issued":{"date-parts":[[2011,1,24]]},"references-count":0,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2011,1,24]]}},"alternative-id":["10.1145\/1921532.1921539"],"URL":"https:\/\/doi.org\/10.1145\/1921532.1921539","relation":{},"ISSN":["0163-5948"],"issn-type":[{"type":"print","value":"0163-5948"}],"subject":[],"published":{"date-parts":[[2011,1,24]]},"assertion":[{"value":"2011-01-24","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}