{"id":"https://openalex.org/W2002506580","doi":"https://doi.org/10.1007/s10951-015-0427-z","title":"On contiguous and non-contiguous parallel task scheduling","display_name":"On contiguous and non-contiguous parallel task scheduling","publication_year":2015,"publication_date":"2015-03-23","ids":{"openalex":"https://openalex.org/W2002506580","doi":"https://doi.org/10.1007/s10951-015-0427-z","mag":"2002506580"},"language":"en","primary_location":{"id":"doi:10.1007/s10951-015-0427-z","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s10951-015-0427-z","pdf_url":"https://link.springer.com/content/pdf/10.1007/s10951-015-0427-z.pdf","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","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":true,"oa_status":"hybrid","oa_url":"https://link.springer.com/content/pdf/10.1007/s10951-015-0427-z.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5006916652","display_name":"Iwo B\u0142\u0105dek","orcid":"https://orcid.org/0000-0003-1991-8797"},"institutions":[{"id":"https://openalex.org/I46597724","display_name":"Pozna\u0144 University of Technology","ror":"https://ror.org/00p7p3302","country_code":"PL","type":"education","lineage":["https://openalex.org/I46597724"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Iwo B\u0142\u0105dek","raw_affiliation_strings":["Institute of Computing Science, Pozna\u0144 University of Technology, Piotrowo 2, 60-965, Poznan, Poland","Institute of Computing Science, Pozna\u0144 University of Technology, Poznan, Poland 60-965#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Computing Science, Pozna\u0144 University of Technology, Piotrowo 2, 60-965, Poznan, Poland","institution_ids":["https://openalex.org/I46597724"]},{"raw_affiliation_string":"Institute of Computing Science, Pozna\u0144 University of Technology, Poznan, Poland 60-965#TAB#","institution_ids":["https://openalex.org/I46597724"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056380163","display_name":"Maciej Drozdowski","orcid":"https://orcid.org/0000-0001-9314-529X"},"institutions":[{"id":"https://openalex.org/I46597724","display_name":"Pozna\u0144 University of Technology","ror":"https://ror.org/00p7p3302","country_code":"PL","type":"education","lineage":["https://openalex.org/I46597724"]}],"countries":["PL"],"is_corresponding":true,"raw_author_name":"Maciej Drozdowski","raw_affiliation_strings":["Institute of Computing Science, Pozna\u0144 University of Technology, Piotrowo 2, 60-965, Poznan, Poland","Institute of Computing Science, Pozna\u0144 University of Technology, Poznan, Poland 60-965#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Computing Science, Pozna\u0144 University of Technology, Piotrowo 2, 60-965, Poznan, Poland","institution_ids":["https://openalex.org/I46597724"]},{"raw_affiliation_string":"Institute of Computing Science, Pozna\u0144 University of Technology, Poznan, Poland 60-965#TAB#","institution_ids":["https://openalex.org/I46597724"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004171024","display_name":"Fr\u00e9d\u00e9ric Guinand","orcid":"https://orcid.org/0000-0002-7915-2781"},"institutions":[{"id":"https://openalex.org/I141576021","display_name":"Universit\u00e9 Le Havre Normandie","ror":"https://ror.org/05v509s40","country_code":"FR","type":"education","lineage":["https://openalex.org/I141576021","https://openalex.org/I4210105918"]},{"id":"https://openalex.org/I4210108118","display_name":"Laboratoire d'Informatique, du Traitement de l'Information et des Syst\u00e8mes","ror":"https://ror.org/01f1vfy95","country_code":"FR","type":"facility","lineage":["https://openalex.org/I141576021","https://openalex.org/I4210105918","https://openalex.org/I4210105918","https://openalex.org/I4210105918","https://openalex.org/I4210108118","https://openalex.org/I62396329","https://openalex.org/I88814501"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Fr\u00e9d\u00e9ric Guinand","raw_affiliation_strings":["LITIS, University of Le Havre, 25, rue Philippe Lebon, BP 540, 76058, Le Havre Cedex, France","LITIS, University of Le Havre, Le Havre Cedex, France 76058#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"LITIS, University of Le Havre, 25, rue Philippe Lebon, BP 540, 76058, Le Havre Cedex, France","institution_ids":["https://openalex.org/I141576021","https://openalex.org/I4210108118"]},{"raw_affiliation_string":"LITIS, University of Le Havre, Le Havre Cedex, France 76058#TAB#","institution_ids":["https://openalex.org/I141576021","https://openalex.org/I4210108118"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000072256","display_name":"Xavier Schepler","orcid":"https://orcid.org/0000-0003-3090-2446"},"institutions":[{"id":"https://openalex.org/I141576021","display_name":"Universit\u00e9 Le Havre Normandie","ror":"https://ror.org/05v509s40","country_code":"FR","type":"education","lineage":["https://openalex.org/I141576021","https://openalex.org/I4210105918"]},{"id":"https://openalex.org/I4210108118","display_name":"Laboratoire d'Informatique, du Traitement de l'Information et des Syst\u00e8mes","ror":"https://ror.org/01f1vfy95","country_code":"FR","type":"facility","lineage":["https://openalex.org/I141576021","https://openalex.org/I4210105918","https://openalex.org/I4210105918","https://openalex.org/I4210105918","https://openalex.org/I4210108118","https://openalex.org/I62396329","https://openalex.org/I88814501"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Xavier Schepler","raw_affiliation_strings":["LITIS, University of Le Havre, 25, rue Philippe Lebon, BP 540, 76058, Le Havre Cedex, France","LITIS, University of Le Havre, Le Havre Cedex, France 76058#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"LITIS, University of Le Havre, 25, rue Philippe Lebon, BP 540, 76058, Le Havre Cedex, France","institution_ids":["https://openalex.org/I141576021","https://openalex.org/I4210108118"]},{"raw_affiliation_string":"LITIS, University of Le Havre, Le Havre Cedex, France 76058#TAB#","institution_ids":["https://openalex.org/I141576021","https://openalex.org/I4210108118"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5056380163"],"corresponding_institution_ids":["https://openalex.org/I46597724"],"apc_list":{"value":2990,"currency":"USD","value_usd":2990},"apc_paid":{"value":2990,"currency":"USD","value_usd":2990},"fwci":4.6618,"has_fulltext":true,"cited_by_count":23,"citation_normalized_percentile":{"value":0.93850144,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"18","issue":"5","first_page":"487","last_page":"495"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10551","display_name":"Scheduling and Optimization Algorithms","score":0.9995999932289124,"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":0.9995999932289124,"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":0.9994000196456909,"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":0.9993000030517578,"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/computer-science","display_name":"Computer science","score":0.7068595886230469},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.662774920463562},{"id":"https://openalex.org/keywords/schedule","display_name":"Schedule","score":0.6617642641067505},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.6445716619491577},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.6266805529594421},{"id":"https://openalex.org/keywords/execution-time","display_name":"Execution time","score":0.45454972982406616},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.4332895874977112},{"id":"https://openalex.org/keywords/processor-scheduling","display_name":"Processor scheduling","score":0.42254605889320374},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.25881436467170715},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.1756366491317749},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.048954010009765625}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7068595886230469},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.662774920463562},{"id":"https://openalex.org/C68387754","wikidata":"https://www.wikidata.org/wiki/Q7271585","display_name":"Schedule","level":2,"score":0.6617642641067505},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.6445716619491577},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.6266805529594421},{"id":"https://openalex.org/C2989134064","wikidata":"https://www.wikidata.org/wiki/Q288510","display_name":"Execution time","level":2,"score":0.45454972982406616},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.4332895874977112},{"id":"https://openalex.org/C2984822820","wikidata":"https://www.wikidata.org/wiki/Q1123036","display_name":"Processor scheduling","level":3,"score":0.42254605889320374},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25881436467170715},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.1756366491317749},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.048954010009765625},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/s10951-015-0427-z","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s10951-015-0427-z","pdf_url":"https://link.springer.com/content/pdf/10.1007/s10951-015-0427-z.pdf","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Scheduling","raw_type":"journal-article"},{"id":"pmh:oai:HAL:emse-01225177v1","is_oa":true,"landing_page_url":"https://hal-emse.ccsd.cnrs.fr/emse-01225177","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal of Scheduling, 2015, 18 (5), pp.487-495. ⟨10.1007/s10951-015-0427-z⟩","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.1007/s10951-015-0427-z","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s10951-015-0427-z","pdf_url":"https://link.springer.com/content/pdf/10.1007/s10951-015-0427-z.pdf","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Scheduling","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.41999998688697815,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2002506580.pdf","grobid_xml":"https://content.openalex.org/works/W2002506580.grobid-xml"},"referenced_works_count":28,"referenced_works":["https://openalex.org/W98859305","https://openalex.org/W1501066815","https://openalex.org/W1599248213","https://openalex.org/W1912586891","https://openalex.org/W1997959089","https://openalex.org/W2011039300","https://openalex.org/W2039346141","https://openalex.org/W2058477004","https://openalex.org/W2059422698","https://openalex.org/W2059963347","https://openalex.org/W2060963575","https://openalex.org/W2067242805","https://openalex.org/W2069479298","https://openalex.org/W2082832591","https://openalex.org/W2086190489","https://openalex.org/W2098666887","https://openalex.org/W2117787693","https://openalex.org/W2126578645","https://openalex.org/W2140633445","https://openalex.org/W2141585031","https://openalex.org/W2146547514","https://openalex.org/W2169146618","https://openalex.org/W2401502609","https://openalex.org/W2503664155","https://openalex.org/W2581172100","https://openalex.org/W2736018979","https://openalex.org/W4240160096","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2128410848","https://openalex.org/W2101285930","https://openalex.org/W2118368532","https://openalex.org/W2126232624","https://openalex.org/W2434525066","https://openalex.org/W3140149227","https://openalex.org/W2159723930","https://openalex.org/W2096289371","https://openalex.org/W2130555437","https://openalex.org/W3023290810"],"abstract_inverted_index":{"In":[0,24,43],"this":[1],"paper":[2],"we":[3],"study":[4],"differences":[5],"between":[6],"contiguous":[7,26,64],"and":[8,65,93],"non-contiguous":[9,45,66],"parallel":[10,59],"task":[11,35,60],"schedules.":[12],"Parallel":[13],"tasks":[14],"can":[15,68],"be":[16,37,50,69],"executed":[17],"on":[18,85],"more":[19],"than":[20],"one":[21],"processor":[22,47],"simultaneously.":[23],"the":[25,30,44,62,86,89,98],"schedules,":[27,46],"indices":[28,48],"of":[29,40,70,88],"processors":[31],"assigned":[32],"to":[33],"a":[34,38,58,79],"must":[36],"sequence":[39],"consecutive":[41],"numbers.":[42],"may":[49,81],"arbitrary.":[51],"Optimum":[52],"non-preemptive":[53],"schedules":[54,67,91],"are":[55],"considered.":[56],"Given":[57],"instance,":[61],"optimum":[63],"different":[71],"lengths.":[72],"We":[73],"analyze":[74],"minimal":[75],"instances":[76],"where":[77],"such":[78],"difference":[80,87,99],"arise,":[82],"provide":[83],"bounds":[84],"two":[90],"lengths,":[92],"prove":[94],"that":[95],"deciding":[96],"whether":[97],"in":[100],"schedule":[101],"length":[102],"exists":[103],"is":[104],"NP-complete.":[105]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-08-26T07:47:46.906454","created_date":"2025-10-10T00:00:00"}