{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,12,22]],"date-time":"2023-12-22T03:36:08Z","timestamp":1703216168812},"reference-count":0,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[1977,2,1]],"date-time":"1977-02-01T00:00:00Z","timestamp":223603200000},"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":["Artificial Intelligence"],"published-print":{"date-parts":[[1977,2]]},"DOI":"10.1016\/0004-3702(77)90004-2","type":"journal-article","created":{"date-parts":[[2005,2,10]],"date-time":"2005-02-10T14:09:02Z","timestamp":1108044542000},"page":"47-68","source":"Crossref","is-referenced-by-count":23,"title":["Relational production systems\u2606"],"prefix":"10.1016","volume":"8","author":[{"given":"Steven A.","family":"Vere","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","container-title":["Artificial Intelligence"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0004370277900042?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0004370277900042?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,1,29]],"date-time":"2019-01-29T03:53:28Z","timestamp":1548734008000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0004370277900042"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1977,2]]},"references-count":0,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1977,2]]}},"alternative-id":["0004370277900042"],"URL":"https:\/\/doi.org\/10.1016\/0004-3702(77)90004-2","relation":{},"ISSN":["0004-3702"],"issn-type":[{"value":"0004-3702","type":"print"}],"subject":[],"published":{"date-parts":[[1977,2]]}}}