{"id":"https://openalex.org/W2018849883","doi":"https://doi.org/10.1016/0304-3975(94)00271-j","title":"Embedding a demonic semilattice in a relation algebra","display_name":"Embedding a demonic semilattice in a relation algebra","publication_year":1995,"publication_date":"1995-10-01","ids":{"openalex":"https://openalex.org/W2018849883","doi":"https://doi.org/10.1016/0304-3975(94)00271-j","mag":"2018849883"},"language":"en","primary_location":{"id":"doi:10.1016/0304-3975(94)00271-j","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0304-3975(94)00271-j","pdf_url":null,"source":{"id":"https://openalex.org/S90727058","display_name":"Theoretical Computer Science","issn_l":"0304-3975","issn":["0304-3975","1879-2294"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Theoretical Computer Science","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/A5108209111","display_name":"Jules Desharnais","orcid":null},"institutions":[{"id":"https://openalex.org/I43406934","display_name":"Universit\u00e9 Laval","ror":"https://ror.org/04sjchr03","country_code":"CA","type":"education","lineage":["https://openalex.org/I43406934"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Jules Desharnais","raw_affiliation_strings":["D\u00e9partement d'Informatique, Universit\u00e9 Laval, Qu\u00e9bec, QC, Canada G1K 7P4"],"affiliations":[{"raw_affiliation_string":"D\u00e9partement d'Informatique, Universit\u00e9 Laval, Qu\u00e9bec, QC, Canada G1K 7P4","institution_ids":["https://openalex.org/I43406934"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029988221","display_name":"Nadir Belkhiter","orcid":null},"institutions":[{"id":"https://openalex.org/I43406934","display_name":"Universit\u00e9 Laval","ror":"https://ror.org/04sjchr03","country_code":"CA","type":"education","lineage":["https://openalex.org/I43406934"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Nadir Belkhiter","raw_affiliation_strings":["D\u00e9partement d'Informatique, Universit\u00e9 Laval, Qu\u00e9bec, QC, Canada G1K 7P4"],"affiliations":[{"raw_affiliation_string":"D\u00e9partement d'Informatique, Universit\u00e9 Laval, Qu\u00e9bec, QC, Canada G1K 7P4","institution_ids":["https://openalex.org/I43406934"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055227257","display_name":"Salah Ben Mohamed Sghaier","orcid":null},"institutions":[{"id":"https://openalex.org/I43406934","display_name":"Universit\u00e9 Laval","ror":"https://ror.org/04sjchr03","country_code":"CA","type":"education","lineage":["https://openalex.org/I43406934"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Salah Ben Mohamed Sghaier","raw_affiliation_strings":["D\u00e9partement d'Informatique, Universit\u00e9 Laval, Qu\u00e9bec, QC, Canada G1K 7P4"],"affiliations":[{"raw_affiliation_string":"D\u00e9partement d'Informatique, Universit\u00e9 Laval, Qu\u00e9bec, QC, Canada G1K 7P4","institution_ids":["https://openalex.org/I43406934"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087794334","display_name":"Fairouz Tchier","orcid":"https://orcid.org/0000-0001-7855-508X"},"institutions":[{"id":"https://openalex.org/I43406934","display_name":"Universit\u00e9 Laval","ror":"https://ror.org/04sjchr03","country_code":"CA","type":"education","lineage":["https://openalex.org/I43406934"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Fairouz Tchier","raw_affiliation_strings":["D\u00e9partement d'Informatique, Universit\u00e9 Laval, Qu\u00e9bec, QC, Canada G1K 7P4"],"affiliations":[{"raw_affiliation_string":"D\u00e9partement d'Informatique, Universit\u00e9 Laval, Qu\u00e9bec, QC, Canada G1K 7P4","institution_ids":["https://openalex.org/I43406934"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014620418","display_name":"Ali Jaoua","orcid":null},"institutions":[{"id":"https://openalex.org/I108714496","display_name":"Tunis University","ror":"https://ror.org/02q1spa57","country_code":"TN","type":"education","lineage":["https://openalex.org/I108714496"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"Ali Jaoua","raw_affiliation_strings":["D\u00e9partement d'informatique, Facult\u00e9 des Sciences de Tunis, Campus universitaire, Le Belv\u00e9d\u00e9re, 1060-Tunis, Tunisia"],"affiliations":[{"raw_affiliation_string":"D\u00e9partement d'informatique, Facult\u00e9 des Sciences de Tunis, Campus universitaire, Le Belv\u00e9d\u00e9re, 1060-Tunis, Tunisia","institution_ids":["https://openalex.org/I108714496"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5115598651","display_name":"Ali Mili","orcid":"https://orcid.org/0000-0002-6578-5510"},"institutions":[{"id":"https://openalex.org/I153718931","display_name":"University of Ottawa","ror":"https://ror.org/03c4mmv16","country_code":"CA","type":"education","lineage":["https://openalex.org/I153718931"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Ali Mili","raw_affiliation_strings":["Department of Computer Science, University of Ottawa, Ottawa, ON, Canada K1N 6N5","Department of Computer Science, University of Ottawa Ottawa, ON, Canada K1N 6N5"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Ottawa, Ottawa, ON, Canada K1N 6N5","institution_ids":["https://openalex.org/I153718931"]},{"raw_affiliation_string":"Department of Computer Science, University of Ottawa Ottawa, ON, Canada K1N 6N5","institution_ids":["https://openalex.org/I153718931"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5053542846","display_name":"Nejib Zaguia","orcid":null},"institutions":[{"id":"https://openalex.org/I153718931","display_name":"University of Ottawa","ror":"https://ror.org/03c4mmv16","country_code":"CA","type":"education","lineage":["https://openalex.org/I153718931"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Nejib Zaguia","raw_affiliation_strings":["Department of Computer Science, University of Ottawa, Ottawa, ON, Canada K1N 6N5","Department of Computer Science, University of Ottawa Ottawa, ON, Canada K1N 6N5"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Ottawa, Ottawa, ON, Canada K1N 6N5","institution_ids":["https://openalex.org/I153718931"]},{"raw_affiliation_string":"Department of Computer Science, University of Ottawa Ottawa, ON, Canada K1N 6N5","institution_ids":["https://openalex.org/I153718931"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5108209111"],"corresponding_institution_ids":["https://openalex.org/I43406934"],"apc_list":{"value":2690,"currency":"USD","value_usd":2690},"apc_paid":null,"fwci":6.4421,"has_fulltext":false,"cited_by_count":49,"citation_normalized_percentile":{"value":0.97010289,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"149","issue":"2","first_page":"333","last_page":"360"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T10126","display_name":"Logic, programming, and type systems","score":0.9969000220298767,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.996399998664856,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/semilattice","display_name":"Semilattice","score":0.9437803626060486},{"id":"https://openalex.org/keywords/join","display_name":"Join (topology)","score":0.7834676504135132},{"id":"https://openalex.org/keywords/embedding","display_name":"Embedding","score":0.7714085578918457},{"id":"https://openalex.org/keywords/relation","display_name":"Relation (database)","score":0.6640968918800354},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6612288951873779},{"id":"https://openalex.org/keywords/relation-algebra","display_name":"Relation algebra","score":0.6065696477890015},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.5814265608787537},{"id":"https://openalex.org/keywords/binary-relation","display_name":"Binary relation","score":0.5066526532173157},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.32414430379867554},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.29560551047325134},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.251160204410553},{"id":"https://openalex.org/keywords/cellular-algebra","display_name":"Cellular algebra","score":0.17354261875152588},{"id":"https://openalex.org/keywords/algebra-representation","display_name":"Algebra representation","score":0.16037657856941223},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.1496357023715973},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.06518799066543579},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.05186730623245239}],"concepts":[{"id":"https://openalex.org/C132170107","wikidata":"https://www.wikidata.org/wiki/Q834585","display_name":"Semilattice","level":3,"score":0.9437803626060486},{"id":"https://openalex.org/C2776124973","wikidata":"https://www.wikidata.org/wiki/Q3183033","display_name":"Join (topology)","level":2,"score":0.7834676504135132},{"id":"https://openalex.org/C41608201","wikidata":"https://www.wikidata.org/wiki/Q980509","display_name":"Embedding","level":2,"score":0.7714085578918457},{"id":"https://openalex.org/C25343380","wikidata":"https://www.wikidata.org/wiki/Q277521","display_name":"Relation (database)","level":2,"score":0.6640968918800354},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6612288951873779},{"id":"https://openalex.org/C10282146","wikidata":"https://www.wikidata.org/wiki/Q5965969","display_name":"Relation algebra","level":5,"score":0.6065696477890015},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.5814265608787537},{"id":"https://openalex.org/C65180967","wikidata":"https://www.wikidata.org/wiki/Q130901","display_name":"Binary relation","level":2,"score":0.5066526532173157},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.32414430379867554},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.29560551047325134},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.251160204410553},{"id":"https://openalex.org/C100899422","wikidata":"https://www.wikidata.org/wiki/Q5058347","display_name":"Cellular algebra","level":4,"score":0.17354261875152588},{"id":"https://openalex.org/C14394260","wikidata":"https://www.wikidata.org/wiki/Q4723980","display_name":"Algebra representation","level":3,"score":0.16037657856941223},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.1496357023715973},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.06518799066543579},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.05186730623245239},{"id":"https://openalex.org/C207405024","wikidata":"https://www.wikidata.org/wiki/Q207348","display_name":"Semigroup","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0304-3975(94)00271-j","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0304-3975(94)00271-j","pdf_url":null,"source":{"id":"https://openalex.org/S90727058","display_name":"Theoretical Computer Science","issn_l":"0304-3975","issn":["0304-3975","1879-2294"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Theoretical Computer Science","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":40,"referenced_works":["https://openalex.org/W70873062","https://openalex.org/W190595227","https://openalex.org/W639327092","https://openalex.org/W1481153542","https://openalex.org/W1511110335","https://openalex.org/W1589421353","https://openalex.org/W1975551945","https://openalex.org/W1982779896","https://openalex.org/W2006006495","https://openalex.org/W2007225061","https://openalex.org/W2012019788","https://openalex.org/W2017597203","https://openalex.org/W2018849883","https://openalex.org/W2031035469","https://openalex.org/W2035306406","https://openalex.org/W2039689198","https://openalex.org/W2061116944","https://openalex.org/W2071945201","https://openalex.org/W2074592031","https://openalex.org/W2081706307","https://openalex.org/W2093397547","https://openalex.org/W2103953153","https://openalex.org/W2163008980","https://openalex.org/W2266491325","https://openalex.org/W2481850285","https://openalex.org/W2569098540","https://openalex.org/W2727229060","https://openalex.org/W2809095318","https://openalex.org/W2912891102","https://openalex.org/W3111901986","https://openalex.org/W3160923835","https://openalex.org/W4213427446","https://openalex.org/W4230997582","https://openalex.org/W4244624434","https://openalex.org/W4254471844","https://openalex.org/W6683155886","https://openalex.org/W6693456971","https://openalex.org/W6758960437","https://openalex.org/W6812175391","https://openalex.org/W6815558393"],"related_works":["https://openalex.org/W4313233180","https://openalex.org/W4299801685","https://openalex.org/W3037354797","https://openalex.org/W2275539153","https://openalex.org/W2343431530","https://openalex.org/W2785746993","https://openalex.org/W2224153448","https://openalex.org/W2171795611","https://openalex.org/W3006599641","https://openalex.org/W4230589130"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}