{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,3,30]],"date-time":"2022-03-30T09:18:47Z","timestamp":1648631927426},"reference-count":1,"publisher":"Elsevier BV","issue":"4","license":[{"start":{"date-parts":[[1990,10,1]],"date-time":"1990-10-01T00:00:00Z","timestamp":654739200000},"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":["Data & Knowledge Engineering"],"published-print":{"date-parts":[[1990,10]]},"DOI":"10.1016\/0169-023x(90)90015-6","type":"journal-article","created":{"date-parts":[[2003,3,14]],"date-time":"2003-03-14T17:15:20Z","timestamp":1047662120000},"page":"255-261","source":"Crossref","is-referenced-by-count":2,"title":["Introduction to the special issue on deductive and object-oriented databases"],"prefix":"10.1016","volume":"5","author":[{"given":"R.P.","family":"van de Riet","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/0169-023X(90)90015-6_BIB1","doi-asserted-by":"crossref","unstructured":"R.P. van de Riet, MOKUM: An object-oriented active knowledge base system, Data and Knowledge Engineerin 4 (1) 21\u201342.","DOI":"10.1016\/0169-023X(89)90003-7"}],"container-title":["Data & Knowledge Engineering"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0169023X90900156?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0169023X90900156?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2020,3,17]],"date-time":"2020-03-17T23:36:14Z","timestamp":1584488174000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0169023X90900156"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1990,10]]},"references-count":1,"journal-issue":{"issue":"4","published-print":{"date-parts":[[1990,10]]}},"alternative-id":["0169023X90900156"],"URL":"https:\/\/doi.org\/10.1016\/0169-023x(90)90015-6","relation":{},"ISSN":["0169-023X"],"issn-type":[{"value":"0169-023X","type":"print"}],"subject":[],"published":{"date-parts":[[1990,10]]}}}