{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,26]],"date-time":"2026-05-26T23:05:18Z","timestamp":1779836718397,"version":"3.53.1"},"reference-count":0,"publisher":"Cambridge University Press (CUP)","issue":"2","license":[{"start":{"date-parts":[[1997,3,1]],"date-time":"1997-03-01T00:00:00Z","timestamp":857174400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Funct. Prog."],"published-print":{"date-parts":[[1997,3]]},"abstract":"<jats:p>\n                    N\n                    <jats:sc>ATURAL<\/jats:sc>\n                    E\n                    <jats:sc>XPERT<\/jats:sc>\n                    is a product that allows users to \nbuild knowledge-based systems. It uses a \nlazy functional language, N\n                    <jats:sc>ATURAL<\/jats:sc>\n                    E\n                    <jats:sc>XPERT<\/jats:sc>\n                    L\n                    <jats:sc>ANGUAGE<\/jats:sc>\n                    , to \nimplement backward chaining and \nprovide a reliable knowledge processing environment in which development can \ntake place. \nCustomers from all over the world buy the system and have used it to handle a \nvariety of \nproblems, including applications such as airplane servicing and bank loan \nassessment. Some \nof these are used 10,000 times or more per month.\n                  <\/jats:p>","DOI":"10.1017\/s0956796897002657","type":"journal-article","created":{"date-parts":[[2002,7,27]],"date-time":"2002-07-27T09:26:15Z","timestamp":1027761975000},"page":"163-182","source":"Crossref","is-referenced-by-count":4,"title":["N\n                    <scp>ATURAL<\/scp>\n                    E\n                    <scp>XPERT<\/scp>\n                    : a commercial functional \nprogramming environment"],"prefix":"10.1017","volume":"7","author":[{"given":"NIGEL W. O.","family":"HUTCHISON","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"UTE","family":"NEUHAUS","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"MANFRED","family":"SCHMIDT-SCHAUSS","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"CORDY V.","family":"HALL","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[1997,3,1]]},"container-title":["Journal of Functional Programming"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S0956796897002657","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,26]],"date-time":"2026-05-26T22:35:27Z","timestamp":1779834927000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S0956796897002657\/type\/journal_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1997,3]]},"references-count":0,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1997,3]]}},"alternative-id":["S0956796897002657"],"URL":"https:\/\/doi.org\/10.1017\/s0956796897002657","relation":{},"ISSN":["0956-7968","1469-7653"],"issn-type":[{"value":"0956-7968","type":"print"},{"value":"1469-7653","type":"electronic"}],"subject":[],"published":{"date-parts":[[1997,3]]}}}