{"id":"https://openalex.org/W1551292822","doi":"https://doi.org/10.1007/3-540-50517-2_88","title":"Relation level semantics","display_name":"Relation level semantics","publication_year":1988,"publication_date":"1988-01-01","ids":{"openalex":"https://openalex.org/W1551292822","doi":"https://doi.org/10.1007/3-540-50517-2_88","mag":"1551292822"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-50517-2_88","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-50517-2_88","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":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/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Jules Desharnais","raw_affiliation_strings":["School of Computer Science, McGill University, 3480 University Street, H3A 2A7, Montr\u00e9al, Qu\u00e9bec, Canada","School of Computer Science, McGill University Montreal, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science, McGill University, 3480 University Street, H3A 2A7, Montr\u00e9al, Qu\u00e9bec, Canada","institution_ids":["https://openalex.org/I5023651"]},{"raw_affiliation_string":"School of Computer Science, McGill University Montreal, Canada","institution_ids":["https://openalex.org/I5023651"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000893987","display_name":"Nazim H. Madhavji","orcid":"https://orcid.org/0009-0006-5207-3203"},"institutions":[{"id":"https://openalex.org/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Nazim H. Madhavji","raw_affiliation_strings":["School of Computer Science, McGill University, 3480 University Street, H3A 2A7, Montr\u00e9al, Qu\u00e9bec, Canada","School of Computer Science, McGill University Montreal, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science, McGill University, 3480 University Street, H3A 2A7, Montr\u00e9al, Qu\u00e9bec, Canada","institution_ids":["https://openalex.org/I5023651"]},{"raw_affiliation_string":"School of Computer Science, McGill University Montreal, Canada","institution_ids":["https://openalex.org/I5023651"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.6147,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.69990319,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"304","last_page":"328"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9972000122070312,"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"}},"topics":[{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9972000122070312,"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9958999752998352,"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/T10126","display_name":"Logic, programming, and type systems","score":0.9952999949455261,"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/binary-relation","display_name":"Binary relation","score":0.837241530418396},{"id":"https://openalex.org/keywords/relational-algebra","display_name":"Relational algebra","score":0.664785623550415},{"id":"https://openalex.org/keywords/relation-algebra","display_name":"Relation algebra","score":0.6534914970397949},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.6466493606567383},{"id":"https://openalex.org/keywords/relation","display_name":"Relation (database)","score":0.6396360397338867},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.5717458128929138},{"id":"https://openalex.org/keywords/relational-calculus","display_name":"Relational calculus","score":0.5385561585426331},{"id":"https://openalex.org/keywords/codds-theorem","display_name":"Codd's theorem","score":0.5375362038612366},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4970085918903351},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4516899883747101},{"id":"https://openalex.org/keywords/binary-operation","display_name":"Binary operation","score":0.4292992353439331},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.4143662452697754},{"id":"https://openalex.org/keywords/binary-number","display_name":"Binary number","score":0.41101112961769104},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.35106465220451355},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.324435830116272},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.30944883823394775},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.3091493844985962},{"id":"https://openalex.org/keywords/relational-model","display_name":"Relational model","score":0.2827536463737488},{"id":"https://openalex.org/keywords/two-element-boolean-algebra","display_name":"Two-element Boolean algebra","score":0.17561551928520203},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.1726749837398529},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.15418848395347595},{"id":"https://openalex.org/keywords/algebra-representation","display_name":"Algebra representation","score":0.14885395765304565},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.08229324221611023},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.08050686120986938},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.07208511233329773}],"concepts":[{"id":"https://openalex.org/C65180967","wikidata":"https://www.wikidata.org/wiki/Q130901","display_name":"Binary relation","level":2,"score":0.837241530418396},{"id":"https://openalex.org/C95916125","wikidata":"https://www.wikidata.org/wiki/Q840540","display_name":"Relational algebra","level":3,"score":0.664785623550415},{"id":"https://openalex.org/C10282146","wikidata":"https://www.wikidata.org/wiki/Q5965969","display_name":"Relation algebra","level":5,"score":0.6534914970397949},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.6466493606567383},{"id":"https://openalex.org/C25343380","wikidata":"https://www.wikidata.org/wiki/Q277521","display_name":"Relation (database)","level":2,"score":0.6396360397338867},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.5717458128929138},{"id":"https://openalex.org/C99436015","wikidata":"https://www.wikidata.org/wiki/Q1722436","display_name":"Relational calculus","level":4,"score":0.5385561585426331},{"id":"https://openalex.org/C16739119","wikidata":"https://www.wikidata.org/wiki/Q5139948","display_name":"Codd's theorem","level":5,"score":0.5375362038612366},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4970085918903351},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4516899883747101},{"id":"https://openalex.org/C185529760","wikidata":"https://www.wikidata.org/wiki/Q164307","display_name":"Binary operation","level":2,"score":0.4292992353439331},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.4143662452697754},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.41101112961769104},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.35106465220451355},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.324435830116272},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.30944883823394775},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.3091493844985962},{"id":"https://openalex.org/C40207289","wikidata":"https://www.wikidata.org/wiki/Q755662","display_name":"Relational model","level":3,"score":0.2827536463737488},{"id":"https://openalex.org/C207764348","wikidata":"https://www.wikidata.org/wiki/Q7858706","display_name":"Two-element Boolean algebra","level":4,"score":0.17561551928520203},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.1726749837398529},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.15418848395347595},{"id":"https://openalex.org/C14394260","wikidata":"https://www.wikidata.org/wiki/Q4723980","display_name":"Algebra representation","level":3,"score":0.14885395765304565},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.08229324221611023},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.08050686120986938},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.07208511233329773}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/3-540-50517-2_88","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-50517-2_88","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"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.6100000143051147}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W180578187","https://openalex.org/W1576705125","https://openalex.org/W1578225692","https://openalex.org/W1589421353","https://openalex.org/W1592287058","https://openalex.org/W2006006495","https://openalex.org/W2007225061","https://openalex.org/W2017597203","https://openalex.org/W2035306406","https://openalex.org/W2046213250","https://openalex.org/W2071945201","https://openalex.org/W2093541252","https://openalex.org/W2110846749","https://openalex.org/W2111706174","https://openalex.org/W2115822498","https://openalex.org/W2163008980","https://openalex.org/W2165467455","https://openalex.org/W2185907055","https://openalex.org/W2484794984","https://openalex.org/W2569098540","https://openalex.org/W2987907651","https://openalex.org/W3127280684","https://openalex.org/W3146075203","https://openalex.org/W3160923835","https://openalex.org/W4211265583","https://openalex.org/W6605986943"],"related_works":["https://openalex.org/W2089781037","https://openalex.org/W2005835473","https://openalex.org/W3090944848","https://openalex.org/W2044215335","https://openalex.org/W2498029466","https://openalex.org/W2109221906","https://openalex.org/W1974358179","https://openalex.org/W1985181755","https://openalex.org/W4229795013","https://openalex.org/W1551292822"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
