{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,3,15]],"date-time":"2025-03-15T17:17:59Z","timestamp":1742059079098,"version":"3.38.0"},"reference-count":13,"publisher":"Springer Science and Business Media LLC","issue":"3","license":[{"start":{"date-parts":[[2024,12,28]],"date-time":"2024-12-28T00:00:00Z","timestamp":1735344000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2024,12,28]],"date-time":"2024-12-28T00:00:00Z","timestamp":1735344000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Optim Lett"],"published-print":{"date-parts":[[2025,4]]},"DOI":"10.1007\/s11590-024-02179-w","type":"journal-article","created":{"date-parts":[[2024,12,28]],"date-time":"2024-12-28T05:29:33Z","timestamp":1735363773000},"page":"505-525","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Strengthened MIP formulations for the liver region redesign models of Akshat et al."],"prefix":"10.1007","volume":"19","author":[{"given":"Aysenur","family":"Karagoz","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruofeng","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7983-7262","authenticated-orcid":false,"given":"Hamidreza","family":"Validi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,12,28]]},"reference":[{"key":"2179_CR1","doi-asserted-by":"publisher","DOI":"10.1007\/s10729-022-09602-7","author":"S Akshat","year":"2022","unstructured":"Akshat, S., Gentry, S.E., Raghavan, S.: Heterogeneous donor circles for fair liver transplant allocation. Health Care Manag. Sci. (2022). https:\/\/doi.org\/10.1007\/s10729-022-09602-7","journal-title":"Health Care Manag. Sci."},{"key":"2179_CR2","unstructured":"UNOS: making liver distribution fair and equitable (2023). https:\/\/unos.org\/policy\/liver\/"},{"issue":"1","key":"2179_CR3","doi-asserted-by":"publisher","first-page":"35","DOI":"10.1177\/0272989X04273137","volume":"25","author":"JE Stahl","year":"2005","unstructured":"Stahl, J.E., Kong, N., Shechter, S.M., Schaefer, A.J., Roberts, M.S.: A methodological framework for optimally reorganizing liver transplant regions. Med. Decis. Mak. 25(1), 35\u201346 (2005)","journal-title":"Med. Decis. Mak."},{"issue":"12","key":"2179_CR4","doi-asserted-by":"publisher","first-page":"2111","DOI":"10.1287\/mnsc.1100.1249","volume":"56","author":"N Kong","year":"2010","unstructured":"Kong, N., Schaefer, A.J., Hunsaker, B., Roberts, M.S.: Maximizing the efficiency of the us liver allocation system through region design. Manag. Sci. 56(12), 2111\u20132122 (2010)","journal-title":"Manag. Sci."},{"issue":"2","key":"2179_CR5","doi-asserted-by":"publisher","first-page":"260","DOI":"10.1287\/ijoc.1110.0445","volume":"24","author":"MC Demirci","year":"2012","unstructured":"Demirci, M.C., Schaefer, A.J., Romeijn, H.E., Roberts, M.S.: An exact method for balancing efficiency and equity in the liver allocation hierarchy. INFORMS J. Comput. 24(2), 260\u2013275 (2012)","journal-title":"INFORMS J. Comput."},{"issue":"5","key":"2179_CR6","doi-asserted-by":"publisher","first-page":"462","DOI":"10.1287\/inte.2015.0810","volume":"45","author":"S Gentry","year":"2015","unstructured":"Gentry, S., Chow, E., Massie, A., Segev, D.: Gerrymandering for justice: redistricting US liver allocation. Interfaces 45(5), 462\u2013480 (2015)","journal-title":"Interfaces"},{"key":"2179_CR7","unstructured":"UNOS: System notice: Liver and intestinal organ distribution based on acuity circles implemented Feb. 4 (2023). http:\/\/tinyurl.com\/239dd7b7"},{"issue":"2","key":"2179_CR8","doi-asserted-by":"publisher","first-page":"350","DOI":"10.1097\/TP.0000000000001505","volume":"101","author":"V Kilambi","year":"2017","unstructured":"Kilambi, V., Mehrotra, S.: Improving liver allocation using optimized neighborhoods. Transplantation 101(2), 350\u2013359 (2017)","journal-title":"Transplantation"},{"key":"2179_CR9","unstructured":"GeoPy\u2019s documentation (2023). https:\/\/geopy.readthedocs.io\/en\/stable\/index.html"},{"issue":"1","key":"2179_CR10","doi-asserted-by":"publisher","first-page":"2","DOI":"10.1111\/j.1538-4632.2005.00605.x","volume":"37","author":"T Shirabe","year":"2005","unstructured":"Shirabe, T.: A model of contiguity for spatial unit allocation. Geogr. Anal. 37(1), 2\u201316 (2005)","journal-title":"Geogr. Anal."},{"issue":"6","key":"2179_CR11","doi-asserted-by":"publisher","first-page":"1053","DOI":"10.1068\/b34104","volume":"36","author":"T Shirabe","year":"2009","unstructured":"Shirabe, T.: Districting modeling with exact contiguity constraints. Environ. Plan. B: Plan. Des. 36(6), 1053\u20131066 (2009)","journal-title":"Environ. Plan. B: Plan. Des."},{"issue":"2","key":"2179_CR12","doi-asserted-by":"publisher","first-page":"867","DOI":"10.1287\/opre.2021.2141","volume":"70","author":"H Validi","year":"2022","unstructured":"Validi, H., Buchanan, A., Lykhovyd, E.: Imposing contiguity constraints in political districting models. Op. Res. 70(2), 867\u2013892 (2022)","journal-title":"Op. Res."},{"issue":"8","key":"2179_CR13","doi-asserted-by":"publisher","first-page":"1100","DOI":"10.1287\/mnsc.44.8.1100","volume":"44","author":"A Mehrotra","year":"1998","unstructured":"Mehrotra, A., Johnson, E.L., Nemhauser, G.L.: An optimization based heuristic for political districting. Manag. Sci. 44(8), 1100\u20131114 (1998)","journal-title":"Manag. Sci."}],"container-title":["Optimization Letters"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s11590-024-02179-w.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s11590-024-02179-w\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s11590-024-02179-w.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,3,15]],"date-time":"2025-03-15T16:31:24Z","timestamp":1742056284000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s11590-024-02179-w"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,12,28]]},"references-count":13,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2025,4]]}},"alternative-id":["2179"],"URL":"https:\/\/doi.org\/10.1007\/s11590-024-02179-w","relation":{},"ISSN":["1862-4472","1862-4480"],"issn-type":[{"type":"print","value":"1862-4472"},{"type":"electronic","value":"1862-4480"}],"subject":[],"published":{"date-parts":[[2024,12,28]]},"assertion":[{"value":"16 March 2024","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"9 December 2024","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"28 December 2024","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}}]}}