{"id":"https://openalex.org/W1977961697","doi":"https://doi.org/10.1007/s10951-013-0355-8","title":"How small are shifts required in optimal preemptive schedules?","display_name":"How small are shifts required in optimal preemptive schedules?","publication_year":2013,"publication_date":"2013-10-30","ids":{"openalex":"https://openalex.org/W1977961697","doi":"https://doi.org/10.1007/s10951-013-0355-8","mag":"1977961697"},"language":"en","primary_location":{"id":"doi:10.1007/s10951-013-0355-8","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10951-013-0355-8","pdf_url":null,"source":{"id":"https://openalex.org/S91278097","display_name":"Journal of Scheduling","issn_l":"1094-6136","issn":["1094-6136","1099-1425"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Scheduling","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5110463438","display_name":"E. G. Coffman","orcid":null},"institutions":[{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"E. G. Coffman","raw_affiliation_strings":["Columbia University, New York, NY, USA","Columbia University, New York., USA"],"affiliations":[{"raw_affiliation_string":"Columbia University, New York, NY, USA","institution_ids":["https://openalex.org/I78577930"]},{"raw_affiliation_string":"Columbia University, New York., USA","institution_ids":["https://openalex.org/I78577930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055363976","display_name":"C.T. Ng","orcid":"https://orcid.org/0000-0003-0020-8234"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"C. T. Ng","raw_affiliation_strings":["The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong","The Hong Kong Polytechnic University,Kowloon,Hong Kong"],"affiliations":[{"raw_affiliation_string":"The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong","institution_ids":["https://openalex.org/I14243506"]},{"raw_affiliation_string":"The Hong Kong Polytechnic University,Kowloon,Hong Kong","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110175305","display_name":"Vadim G. Timkovsky","orcid":null},"institutions":[{"id":"https://openalex.org/I243586174","display_name":"Keiser University","ror":"https://ror.org/01s383j21","country_code":"US","type":"education","lineage":["https://openalex.org/I243586174"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"V. G. Timkovsky","raw_affiliation_strings":["Keiser University, Fort Lauderdale, FL, USA","[Keiser University, Fort Lauderdale, USA]"],"affiliations":[{"raw_affiliation_string":"Keiser University, Fort Lauderdale, FL, USA","institution_ids":["https://openalex.org/I243586174"]},{"raw_affiliation_string":"[Keiser University, Fort Lauderdale, USA]","institution_ids":["https://openalex.org/I243586174"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5110463438"],"corresponding_institution_ids":["https://openalex.org/I78577930"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":1.3941,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.8311194,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"18","issue":"2","first_page":"155","last_page":"163"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10551","display_name":"Scheduling and Optimization Algorithms","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10551","display_name":"Scheduling and Optimization Algorithms","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12288","display_name":"Optimization and Search Problems","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12176","display_name":"Optimization and Packing Problems","score":0.9926999807357788,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/schedule","display_name":"Schedule","score":0.6411783695220947},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.6252260208129883},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.5467842221260071},{"id":"https://openalex.org/keywords/interval","display_name":"Interval (graph theory)","score":0.498676061630249},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4976055920124054},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4624860882759094},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.45708584785461426},{"id":"https://openalex.org/keywords/preemption","display_name":"Preemption","score":0.44910287857055664}],"concepts":[{"id":"https://openalex.org/C68387754","wikidata":"https://www.wikidata.org/wiki/Q7271585","display_name":"Schedule","level":2,"score":0.6411783695220947},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.6252260208129883},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.5467842221260071},{"id":"https://openalex.org/C2778067643","wikidata":"https://www.wikidata.org/wiki/Q166507","display_name":"Interval (graph theory)","level":2,"score":0.498676061630249},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4976055920124054},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4624860882759094},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.45708584785461426},{"id":"https://openalex.org/C206952183","wikidata":"https://www.wikidata.org/wiki/Q1193100","display_name":"Preemption","level":2,"score":0.44910287857055664},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/s10951-013-0355-8","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10951-013-0355-8","pdf_url":null,"source":{"id":"https://openalex.org/S91278097","display_name":"Journal of Scheduling","issn_l":"1094-6136","issn":["1094-6136","1099-1425"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Scheduling","raw_type":"journal-article"},{"id":"pmh:oai:ira.lib.polyu.edu.hk:10397/16037","is_oa":false,"landing_page_url":"http://hdl.handle.net/10397/16037","pdf_url":null,"source":{"id":"https://openalex.org/S4306400205","display_name":"PolyU Institutional Research Archive (Hong Kong Polytechnic University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I14243506","host_organization_name":"Hong Kong Polytechnic University","host_organization_lineage":["https://openalex.org/I14243506"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal/Magazine Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W29711632","https://openalex.org/W1485186545","https://openalex.org/W1488422606","https://openalex.org/W1501934796","https://openalex.org/W2002473393","https://openalex.org/W2022226221","https://openalex.org/W2025235423","https://openalex.org/W2028754841","https://openalex.org/W2046706333","https://openalex.org/W2052110143","https://openalex.org/W2058817479","https://openalex.org/W2083845110","https://openalex.org/W2085072219","https://openalex.org/W2090947986","https://openalex.org/W2095767651","https://openalex.org/W2096153753","https://openalex.org/W2154964518","https://openalex.org/W2161734639","https://openalex.org/W2314983267","https://openalex.org/W2330536133","https://openalex.org/W2403958891","https://openalex.org/W2576116471","https://openalex.org/W2741358105","https://openalex.org/W2808376720","https://openalex.org/W2944906438","https://openalex.org/W6713289398"],"related_works":["https://openalex.org/W3191866865","https://openalex.org/W840708677","https://openalex.org/W2361541374","https://openalex.org/W1439300391","https://openalex.org/W1970491116","https://openalex.org/W2888133284","https://openalex.org/W601696587","https://openalex.org/W2881508932","https://openalex.org/W2389216462","https://openalex.org/W4387006201"],"abstract_inverted_index":null,"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2015,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
