{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T06:27:11Z","timestamp":1777444031840,"version":"3.51.4"},"reference-count":11,"publisher":"Elsevier BV","issue":"9","license":[{"start":{"date-parts":[[1998,10,1]],"date-time":"1998-10-01T00:00:00Z","timestamp":907200000000},"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":["Computer Aided Geometric Design"],"published-print":{"date-parts":[[1998,10]]},"DOI":"10.1016\/s0167-8396(98)00028-4","type":"journal-article","created":{"date-parts":[[2003,4,23]],"date-time":"2003-04-23T19:57:07Z","timestamp":1051127827000},"page":"925-934","source":"Crossref","is-referenced-by-count":16,"title":["Computing the derivative of NURBS with respect to a knot"],"prefix":"10.1016","volume":"15","author":[{"given":"Les A.","family":"Piegl","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wayne","family":"Tiller","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/S0167-8396(98)00028-4_BIB1","doi-asserted-by":"crossref","first-page":"171","DOI":"10.1007\/BF02240188","article-title":"Efficient evaluation of splines","volume":"33","author":"Boehm","year":"1984","journal-title":"Computing"},{"key":"10.1016\/S0167-8396(98)00028-4_BIB2","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1093\/imamat\/17.1.15","article-title":"The computation of all the derivatives of a B-spline basis","volume":"17","author":"Butterfield","year":"1976","journal-title":"J. Inst. Math. Appl."},{"key":"10.1016\/S0167-8396(98)00028-4_BIB3","doi-asserted-by":"crossref","first-page":"134","DOI":"10.1093\/imamat\/10.2.134","article-title":"The numerical evaluation of B-splines","volume":"10","author":"Cox","year":"1972","journal-title":"J. Inst. Math. Appl."},{"key":"10.1016\/S0167-8396(98)00028-4_BIB4","doi-asserted-by":"crossref","first-page":"50","DOI":"10.1016\/0021-9045(72)90080-9","article-title":"On calculating with B-splines","volume":"6","author":"De Boor","year":"1972","journal-title":"J. Approximation Theory"},{"key":"10.1016\/S0167-8396(98)00028-4_BIB5","series-title":"A Practical Guide to Splines","author":"De Boor","year":"1978"},{"key":"10.1016\/S0167-8396(98)00028-4_BIB6","doi-asserted-by":"crossref","first-page":"365","DOI":"10.1007\/BF02246763","article-title":"A simplified B-spline computation routine","volume":"29","author":"Lee","year":"1982","journal-title":"Computing"},{"key":"10.1016\/S0167-8396(98)00028-4_BIB7","series-title":"Boeing Document","article-title":"A B-spline Primer","author":"Lee","year":"1983"},{"key":"10.1016\/S0167-8396(98)00028-4_BIB8","doi-asserted-by":"crossref","first-page":"229","DOI":"10.1007\/BF02240069","article-title":"Comments on some B-spline algorithms","volume":"36","author":"Lee","year":"1986","journal-title":"Computing"},{"key":"10.1016\/S0167-8396(98)00028-4_BIB9","series-title":"The NURBS Book","author":"Piegl","year":"1997"},{"issue":"5","key":"10.1016\/S0167-8396(98)00028-4_BIB10","doi-asserted-by":"crossref","first-page":"361","DOI":"10.1016\/S0010-4485(96)00074-7","article-title":"Symbolic operators for NURBS","volume":"29","author":"Piegl","year":"1997","journal-title":"Computer-Aided Design"},{"key":"10.1016\/S0167-8396(98)00028-4_BIB11","series-title":"Spline Functions: Basic Theory","author":"Schumaker","year":"1981"}],"container-title":["Computer Aided Geometric Design"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0167839698000284?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0167839698000284?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,4,14]],"date-time":"2019-04-14T02:53:55Z","timestamp":1555210435000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0167839698000284"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1998,10]]},"references-count":11,"journal-issue":{"issue":"9","published-print":{"date-parts":[[1998,10]]}},"alternative-id":["S0167839698000284"],"URL":"https:\/\/doi.org\/10.1016\/s0167-8396(98)00028-4","relation":{},"ISSN":["0167-8396"],"issn-type":[{"value":"0167-8396","type":"print"}],"subject":[],"published":{"date-parts":[[1998,10]]}}}