{"id":"https://openalex.org/W2019285863","doi":"https://doi.org/10.1137/s0097539791218664","title":"Scheduling Tasks with AND/OR Precedence Constraints","display_name":"Scheduling Tasks with AND/OR Precedence Constraints","publication_year":1995,"publication_date":"1995-08-01","ids":{"openalex":"https://openalex.org/W2019285863","doi":"https://doi.org/10.1137/s0097539791218664","mag":"2019285863"},"language":"en","primary_location":{"id":"doi:10.1137/s0097539791218664","is_oa":false,"landing_page_url":"https://doi.org/10.1137/s0097539791218664","pdf_url":null,"source":{"id":"https://openalex.org/S153560523","display_name":"SIAM Journal on Computing","issn_l":"0097-5397","issn":["0097-5397","1095-7111"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Computing","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/A5103355317","display_name":"Donald W. Gillies","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Donald W. Gillies","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5048750937","display_name":"Jane W. S. Liu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jane W.-S. Liu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.7184,"has_fulltext":false,"cited_by_count":70,"citation_normalized_percentile":{"value":0.95229334,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"24","issue":"4","first_page":"797","last_page":"810"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10551","display_name":"Scheduling and Optimization Algorithms","score":0.9988999962806702,"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":0.9988999962806702,"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/T10933","display_name":"Real-Time Systems Scheduling","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.9926999807357788,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7028322815895081},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.5831549167633057},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.37636590003967285},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.3744068741798401},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.36251068115234375},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3308602273464203},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20007094740867615}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7028322815895081},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.5831549167633057},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.37636590003967285},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.3744068741798401},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.36251068115234375},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3308602273464203},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20007094740867615}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1137/s0097539791218664","is_oa":false,"landing_page_url":"https://doi.org/10.1137/s0097539791218664","pdf_url":null,"source":{"id":"https://openalex.org/S153560523","display_name":"SIAM Journal on Computing","issn_l":"0097-5397","issn":["0097-5397","1095-7111"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W634463279","https://openalex.org/W2001364911","https://openalex.org/W2010484711","https://openalex.org/W2027077493","https://openalex.org/W2055849951","https://openalex.org/W2068426617","https://openalex.org/W2104680817","https://openalex.org/W2108019737","https://openalex.org/W2108038882","https://openalex.org/W2121219357","https://openalex.org/W2138604147","https://openalex.org/W2151645094"],"related_works":["https://openalex.org/W2160425906","https://openalex.org/W1882733036","https://openalex.org/W2546696010","https://openalex.org/W1513409726","https://openalex.org/W2389719923","https://openalex.org/W2109998134","https://openalex.org/W2361500257","https://openalex.org/W1572108542","https://openalex.org/W2125095596","https://openalex.org/W1980146226"],"abstract_inverted_index":{"In":[0,24,62],"traditional":[1],"precedence-constrained":[2],"scheduling":[3,60,134],"a":[4,19,117],"task":[5,20,59,74,136],"is":[6,40],"ready":[7,33],"to":[8,31,112],"execute":[9],"when":[10,34],"all":[11,68],"its":[12],"predecessors":[13,39,70,88],"are":[14,44,103],"complete.":[15,41],"We":[16,49,93],"call":[17],"such":[18],"an":[21],"AND":[22],"task.":[23],"this":[25],"paper":[26],"we":[27],"allow":[28],"certain":[29],"tasks":[30,43,99],"be":[32,77,90],"just":[35],"one":[36],"of":[37,53,56,66,71,84,125],"their":[38],"These":[42,119],"known":[45],"as":[46,128],"OR":[47,73,87],"tasks.":[48],"analyze":[50],"the":[51,63,69,81,122],"complexity":[52],"two":[54,108],"types":[55],"real-time":[57],"AND/OR":[58],"problems.":[61],"first":[64],"type":[65,83],"problem,":[67,85],"every":[72],"must":[75],"eventually":[76],"completed,":[78],"but":[79],"in":[80],"second":[82],"some":[86,129],"may":[89],"left":[91],"unscheduled.":[92],"show":[94],"that":[95],"most":[96],"problems":[97],"involving":[98],"with":[100],"individual":[101],"deadlines":[102],"NP-complete,":[104],"and":[105],"then":[106],"present":[107],"priority-driven":[109,131],"heuristic":[110],"algorithms":[111,120,132],"minimize":[113],"completion":[114],"time":[115],"on":[116],"multiprocessor.":[118],"provide":[121],"same":[123],"level":[124],"worst-case":[126],"performance":[127],"previous":[130],"for":[133],"AND-only":[135],"systems.":[137]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
