{"id":"https://openalex.org/W227412439","doi":"https://doi.org/10.1007/3-540-44669-9_50","title":"Designing PTASs for MIN-SUM Scheduling Problems","display_name":"Designing PTASs for MIN-SUM Scheduling Problems","publication_year":2001,"publication_date":"2001-01-01","ids":{"openalex":"https://openalex.org/W227412439","doi":"https://doi.org/10.1007/3-540-44669-9_50","mag":"227412439"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-44669-9_50","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-44669-9_50","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"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":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://doi.org/10.1007/3-540-44669-9_50","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5088568415","display_name":"Foto Afrati","orcid":null},"institutions":[{"id":"https://openalex.org/I174458059","display_name":"National Technical University of Athens","ror":"https://ror.org/03cx6bg69","country_code":"GR","type":"education","lineage":["https://openalex.org/I174458059"]},{"id":"https://openalex.org/I4210123532","display_name":"Nordic Transport Development","ror":"https://ror.org/0295ktr04","country_code":"DK","type":"company","lineage":["https://openalex.org/I4210123532"]}],"countries":["DK","GR"],"is_corresponding":false,"raw_author_name":"F. Afrati","raw_affiliation_strings":["Department of Electrical and Computer Engineering, NTU Athens, 9, Heroon Polytechniou str., 15773, Athens, Greece","NTU Athens"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, NTU Athens, 9, Heroon Polytechniou str., 15773, Athens, Greece","institution_ids":["https://openalex.org/I174458059"]},{"raw_affiliation_string":"NTU Athens","institution_ids":["https://openalex.org/I4210123532"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011937346","display_name":"Ioannis Milis","orcid":null},"institutions":[{"id":"https://openalex.org/I73142707","display_name":"Athens University of Economics and Business","ror":"https://ror.org/03s262162","country_code":"GR","type":"education","lineage":["https://openalex.org/I73142707"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"I. Milis","raw_affiliation_strings":["Department of Informatics, Athens University of Economics and Business, 76, Patission str., 10434, Athens, Greece","Athens Univ. of Economics and Business#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Informatics, Athens University of Economics and Business, 76, Patission str., 10434, Athens, Greece","institution_ids":["https://openalex.org/I73142707"]},{"raw_affiliation_string":"Athens Univ. of Economics and Business#TAB#","institution_ids":["https://openalex.org/I73142707"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":1.7145,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.82860999,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"432","last_page":"444"},"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/T12782","display_name":"Assembly Line Balancing Optimization","score":0.9965000152587891,"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/T12176","display_name":"Optimization and Packing Problems","score":0.9962000250816345,"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":0.7765640020370483},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.6119779348373413},{"id":"https://openalex.org/keywords/approximation-algorithm","display_name":"Approximation algorithm","score":0.489895761013031},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4795246422290802},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.4557679295539856},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.4266743063926697},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3602690100669861},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.23525607585906982},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1609671413898468},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.12706425786018372}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7765640020370483},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.6119779348373413},{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.489895761013031},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4795246422290802},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.4557679295539856},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.4266743063926697},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3602690100669861},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.23525607585906982},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1609671413898468},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.12706425786018372}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/3-540-44669-9_50","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-44669-9_50","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"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":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},{"id":"pmh:oai:dspace.lib.ntua.gr:123456789/34259","is_oa":true,"landing_page_url":"http://doi.org/10.1007/3-540-44669-9_50","pdf_url":null,"source":{"id":"https://openalex.org/S4377196837","display_name":"DSpace - NTUA (National Technical University of Athens)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I174458059","host_organization_name":"National Technical University of Athens","host_organization_lineage":["https://openalex.org/I174458059"],"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":"Fundamentals of Computation Theory","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"pmh:oai:dspace.lib.ntua.gr:123456789/34259","is_oa":true,"landing_page_url":"http://doi.org/10.1007/3-540-44669-9_50","pdf_url":null,"source":{"id":"https://openalex.org/S4377196837","display_name":"DSpace - NTUA (National Technical University of Athens)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I174458059","host_organization_name":"National Technical University of Athens","host_organization_lineage":["https://openalex.org/I174458059"],"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":"Fundamentals of Computation Theory","raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W179016828","https://openalex.org/W1482336804","https://openalex.org/W1488422606","https://openalex.org/W1489360240","https://openalex.org/W1491075941","https://openalex.org/W1508968115","https://openalex.org/W1526035966","https://openalex.org/W1531923436","https://openalex.org/W1539141971","https://openalex.org/W1544188233","https://openalex.org/W1589357619","https://openalex.org/W1668808034","https://openalex.org/W1903284337","https://openalex.org/W1969481001","https://openalex.org/W1977276352","https://openalex.org/W1987733635","https://openalex.org/W1988328380","https://openalex.org/W2006905044","https://openalex.org/W2008147296","https://openalex.org/W2009844010","https://openalex.org/W2018838693","https://openalex.org/W2021987086","https://openalex.org/W2026040656","https://openalex.org/W2026392075","https://openalex.org/W2039775944","https://openalex.org/W2040475938","https://openalex.org/W2047150311","https://openalex.org/W2047173920","https://openalex.org/W2050331342","https://openalex.org/W2066439916","https://openalex.org/W2067297441","https://openalex.org/W2075265959","https://openalex.org/W2085325317","https://openalex.org/W2089269509","https://openalex.org/W2090775833","https://openalex.org/W2109166972","https://openalex.org/W2126520302","https://openalex.org/W2148204686","https://openalex.org/W2159152246","https://openalex.org/W2167170540","https://openalex.org/W2341350247","https://openalex.org/W4253205241"],"related_works":["https://openalex.org/W2368454205","https://openalex.org/W2370467235","https://openalex.org/W2989824750","https://openalex.org/W1534072310","https://openalex.org/W2962917430","https://openalex.org/W2028468530","https://openalex.org/W4299801389","https://openalex.org/W2574604093","https://openalex.org/W2775068415","https://openalex.org/W1903284337"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}