{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T06:25:10Z","timestamp":1785219910140,"version":"3.55.0"},"reference-count":0,"publisher":"Springer Science and Business Media LLC","issue":"2","license":[{"start":{"date-parts":[[1999,6,1]],"date-time":"1999-06-01T00:00:00Z","timestamp":928195200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Mathematical Programming"],"published-print":{"date-parts":[[1999,6,1]]},"DOI":"10.1007\/s101070050058","type":"journal-article","created":{"date-parts":[[2002,8,25]],"date-time":"2002-08-25T05:25:39Z","timestamp":1030253139000},"page":"277-311","source":"Crossref","is-referenced-by-count":84,"title":["Negative-cycle detection algorithms"],"prefix":"10.1007","volume":"85","author":[{"given":"Boris V.","family":"Cherkassky","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew V.","family":"Goldberg","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","container-title":["Mathematical Programming"],"original-title":[],"link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s101070050058.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s101070050058\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s101070050058","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,29]],"date-time":"2019-05-29T06:00:11Z","timestamp":1559109611000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s101070050058"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1999,6,1]]},"references-count":0,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1999,6,1]]}},"alternative-id":["Q26C0GKJUEM316AQ"],"URL":"https:\/\/doi.org\/10.1007\/s101070050058","relation":{},"ISSN":["0025-5610","1436-4646"],"issn-type":[{"value":"0025-5610","type":"print"},{"value":"1436-4646","type":"electronic"}],"subject":[],"published":{"date-parts":[[1999,6,1]]}}}