{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,4]],"date-time":"2026-02-04T14:49:24Z","timestamp":1770216564074,"version":"3.49.0"},"reference-count":12,"publisher":"Elsevier BV","issue":"2","license":[{"start":{"date-parts":[[1985,1,1]],"date-time":"1985-01-01T00:00:00Z","timestamp":473385600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Computers &amp; Graphics"],"published-print":{"date-parts":[[1985,1]]},"DOI":"10.1016\/0097-8493(85)90017-2","type":"journal-article","created":{"date-parts":[[2003,8,7]],"date-time":"2003-08-07T19:49:30Z","timestamp":1060285770000},"page":"97-105","source":"Crossref","is-referenced-by-count":4,"title":["Abstractions: A conceptual approach for structuring interaction with integrated CAD systems"],"prefix":"10.1016","volume":"9","author":[{"given":"Charles M.","family":"Eastman","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/0097-8493(85)90017-2_BIB1","series-title":"Notes on the Synthesis of Form","author":"Alexander","year":"1964"},{"key":"10.1016\/0097-8493(85)90017-2_BIB2","series-title":"Basic Questions of Design Theory","first-page":"147","article-title":"A theory for chemical engineering design","author":"Powers","year":"1974"},{"key":"10.1016\/0097-8493(85)90017-2_BIB3","series-title":"The Sciences of the Artificial","author":"Simon","year":"1969"},{"issue":"1","key":"10.1016\/0097-8493(85)90017-2_BIB4","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1016\/0142-694X(82)90079-5","article-title":"Recent developments in representation in the science of design","volume":"3","author":"Eastman","year":"1982","journal-title":"Design Studies"},{"issue":"6","key":"10.1016\/0097-8493(85)90017-2_BIB5","article-title":"Preliminary ADA Reference Manual","volume":"14","author":"Notices","year":"1979","journal-title":"SIGPLAN Notices"},{"key":"10.1016\/0097-8493(85)90017-2_BIB6","doi-asserted-by":"crossref","first-page":"564","DOI":"10.1145\/359763.359789","article-title":"Abstraction Mechanisms in CLU","author":"Liskov","year":"1977","journal-title":"Comm. ACM"},{"key":"10.1016\/0097-8493(85)90017-2_BIB7","series-title":"Programming in MODULA-2","author":"Wirth","year":"1982"},{"key":"10.1016\/0097-8493(85)90017-2_BIB8","doi-asserted-by":"crossref","DOI":"10.1109\/TSE.1980.230209","article-title":"Notes on type abstraction","author":"Guttag","year":"1980","journal-title":"IEEE Trans. on Software Engineering"},{"key":"10.1016\/0097-8493(85)90017-2_BIB9","series-title":"Proc. CAD 80 Conf.","first-page":"101","article-title":"Transforming a set of building drawings into a consistent database","author":"Yasky","year":"1980"},{"key":"10.1016\/0097-8493(85)90017-2_BIB10","series-title":"SIGMOD Proceedings in Engineering Design Applications","first-page":"73","article-title":"Transaction management in engineering databases","author":"Kutay","year":"1983"},{"key":"10.1016\/0097-8493(85)90017-2_BIB11","series-title":"Artificial Intelligence and Pattern Recognition in Computer Aided Design","first-page":"135","article-title":"Representation of design problems and maintenance of their structure","author":"Eastman","year":"1978"},{"key":"10.1016\/0097-8493(85)90017-2_BIB12","first-page":"115","article-title":"Prototype building description system","volume":"12:3","author":"Eastman","year":"1980"}],"container-title":["Computers &amp; Graphics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0097849385900172?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0097849385900172?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,3,15]],"date-time":"2019-03-15T02:27:31Z","timestamp":1552616851000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0097849385900172"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1985,1]]},"references-count":12,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1985,1]]}},"alternative-id":["0097849385900172"],"URL":"https:\/\/doi.org\/10.1016\/0097-8493(85)90017-2","relation":{},"ISSN":["0097-8493"],"issn-type":[{"value":"0097-8493","type":"print"}],"subject":[],"published":{"date-parts":[[1985,1]]}}}