{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T03:57:28Z","timestamp":1777607848245,"version":"3.51.4"},"reference-count":17,"publisher":"Elsevier BV","issue":"4","license":[{"start":{"date-parts":[[1981,1,1]],"date-time":"1981-01-01T00:00:00Z","timestamp":347155200000},"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 & Operations Research"],"published-print":{"date-parts":[[1981,1]]},"DOI":"10.1016\/0305-0548(81)90017-4","type":"journal-article","created":{"date-parts":[[2003,6,30]],"date-time":"2003-06-30T16:15:45Z","timestamp":1056989745000},"page":"303-310","source":"Crossref","is-referenced-by-count":26,"title":["Efficient heuristic algorithms for the weighted set covering problem"],"prefix":"10.1016","volume":"8","author":[{"given":"Edward K.","family":"Baker","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"issue":"2","key":"10.1016\/0305-0548(81)90017-4_BIB1","doi-asserted-by":"crossref","first-page":"140","DOI":"10.1287\/trsc.3.2.140","article-title":"The airline crew scheduling problem: a survey","volume":"3","author":"Arabeyre","year":"1969","journal-title":"Transportation Sci."},{"key":"10.1016\/0305-0548(81)90017-4_BIB2","series-title":"Efficient heuristic solutions to airline crew scheduling problems. Doctoral Dissertation, College of Business and Management","author":"Baker","year":"1979"},{"issue":"2","key":"10.1016\/0305-0548(81)90017-4_BIB3","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1080\/05695557908974446","article-title":"Efficient heuristic solutions to an airline crew schedulin gproblem","volume":"II","author":"Baker","year":"1979","journal-title":"AIIE Trans."},{"key":"10.1016\/0305-0548(81)90017-4_BIB4","doi-asserted-by":"crossref","first-page":"37","DOI":"10.1007\/BFb0120886","article-title":"Set covering algorithms using cutting planes, heuristics, and subgradient optimization: a computational study","volume":"12","author":"Balas","year":"1980","journal-title":"Math. Prog. Study"},{"issue":"4","key":"10.1016\/0305-0548(81)90017-4_BIB5","doi-asserted-by":"crossref","first-page":"710","DOI":"10.1137\/1018115","article-title":"Set partitioning: a survey","volume":"18","author":"Balas","year":"1976","journal-title":"SIAM Rev."},{"issue":"3","key":"10.1016\/0305-0548(81)90017-4_BIB6","doi-asserted-by":"crossref","first-page":"233","DOI":"10.1287\/moor.4.3.233","article-title":"A greedy heuristic for the set-covering problem","volume":"4","author":"Chvatal","year":"1979","journal-title":"Math. Ops. Res."},{"issue":"4","key":"10.1016\/0305-0548(81)90017-4_BIB7","doi-asserted-by":"crossref","first-page":"568","DOI":"10.1287\/opre.12.4.568","article-title":"Scheduling of vehicles from a central depot to a number of delivery points","volume":"12","author":"Clarke","year":"1964","journal-title":"Opers Res."},{"key":"10.1016\/0305-0548(81)90017-4_BIB8","first-page":"164","article-title":"Optimal set covering: a survey. Perspectives on Optimization","author":"Garfinkel","year":"1972"},{"key":"10.1016\/0305-0548(81)90017-4_BIB9","series-title":"presented at the 18th ACIFORS Symp.","article-title":"A new algorithm for very large crew pairing problems","author":"Gerbracht","year":"1978"},{"key":"10.1016\/0305-0548(81)90017-4_BIB10","series-title":"Presented at the ORSA\/TIMS Joint National Meeting, Miami","article-title":"Improvements to the Clarke and Wright algorithm as applied to an aircraft scheduling problem","author":"Hinson","year":"1976"},{"key":"10.1016\/0305-0548(81)90017-4_BIB11","doi-asserted-by":"crossref","first-page":"256","DOI":"10.1016\/S0022-0000(74)80044-9","article-title":"Approximation algorithms for combinatorial problems","volume":"9","author":"Johnson","year":"1974","journal-title":"J. Comput. System Sci."},{"key":"10.1016\/0305-0548(81)90017-4_BIB12","series-title":"Complexity of Computer Computations","first-page":"85","article-title":"Reducibility among combinatorial problems","author":"Karp","year":"1972"},{"key":"10.1016\/0305-0548(81)90017-4_BIB13","doi-asserted-by":"crossref","first-page":"2245","DOI":"10.1002\/j.1538-7305.1965.tb04146.x","article-title":"Computer solutions of the traveling salesman problem","author":"Lin","year":"1965","journal-title":"Bell System Tech. J."},{"issue":"5","key":"10.1016\/0305-0548(81)90017-4_BIB14","doi-asserted-by":"crossref","first-page":"774","DOI":"10.1287\/mnsc.20.5.774","article-title":"An algorithm for large set partitioning problems","volume":"20","author":"Marsten","year":"1974","journal-title":"Mgmt. Sci."},{"key":"10.1016\/0305-0548(81)90017-4_BIB15","article-title":"Crew planning at flying tiger: a successful application of integer programming","author":"Marsten","year":"1978"},{"key":"10.1016\/0305-0548(81)90017-4_BIB16","doi-asserted-by":"crossref","DOI":"10.1002\/net.3230110208","article-title":"Exact solution of crew scheduling problems using the set partitioning model: recent successful applications","author":"Marsten","year":"1981","journal-title":"Networks"},{"issue":"1","key":"10.1016\/0305-0548(81)90017-4_BIB17","doi-asserted-by":"crossref","first-page":"34","DOI":"10.1287\/trsc.7.1.34","article-title":"A technique for the solution of massive set covering problems, with application to airline crew scheduling","volume":"7","author":"Rubin","year":"1973","journal-title":"Transportation Sci."}],"container-title":["Computers & Operations Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0305054881900174?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0305054881900174?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,3,18]],"date-time":"2019-03-18T16:28:40Z","timestamp":1552926520000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0305054881900174"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1981,1]]},"references-count":17,"journal-issue":{"issue":"4","published-print":{"date-parts":[[1981,1]]}},"alternative-id":["0305054881900174"],"URL":"https:\/\/doi.org\/10.1016\/0305-0548(81)90017-4","relation":{},"ISSN":["0305-0548"],"issn-type":[{"value":"0305-0548","type":"print"}],"subject":[],"published":{"date-parts":[[1981,1]]}}}