{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,12]],"date-time":"2026-01-12T20:31:51Z","timestamp":1768249911624,"version":"3.49.0"},"reference-count":0,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[1998,5,1]],"date-time":"1998-05-01T00:00:00Z","timestamp":893980800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Algorithmica"],"published-print":{"date-parts":[[1998,5]]},"DOI":"10.1007\/pl00009203","type":"journal-article","created":{"date-parts":[[2006,2,17]],"date-time":"2006-02-17T10:26:46Z","timestamp":1140172006000},"page":"104-118","source":"Crossref","is-referenced-by-count":13,"title":["On-Line and Off-Line Approximation Algorithms for Vector Covering Problems"],"prefix":"10.1007","volume":"21","author":[{"given":"N.","family":"Alon","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Y.","family":"Azar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.","family":"Csirik","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L.","family":"Epstein","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S. V.","family":"Sevastianov","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A. P. A.","family":"Vestjens","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G. J.","family":"Woeginger","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","container-title":["Algorithmica"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/PL00009203.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/PL00009203\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/PL00009203","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,22]],"date-time":"2019-05-22T09:20:44Z","timestamp":1558516844000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/PL00009203"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1998,5]]},"references-count":0,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1998,5]]}},"alternative-id":["21n1p104"],"URL":"https:\/\/doi.org\/10.1007\/pl00009203","relation":{},"ISSN":["0178-4617"],"issn-type":[{"value":"0178-4617","type":"print"}],"subject":[],"published":{"date-parts":[[1998,5]]}}}