{"id":"https://openalex.org/W2121792270","doi":"https://doi.org/10.1109/icde.1984.7271312","title":"An entity-relationship algebra","display_name":"An entity-relationship algebra","publication_year":1984,"publication_date":"1984-04-01","ids":{"openalex":"https://openalex.org/W2121792270","doi":"https://doi.org/10.1109/icde.1984.7271312","mag":"2121792270"},"language":"en","primary_location":{"id":"doi:10.1109/icde.1984.7271312","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icde.1984.7271312","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"1984 IEEE First International Conference on Data Engineering","raw_type":"proceedings-article"},"type":"conference-paper","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/A5087380340","display_name":"Christine Parent","orcid":"https://orcid.org/0000-0002-4378-6715"},"institutions":[{"id":"https://openalex.org/I39804081","display_name":"Sorbonne Universit\u00e9","ror":"https://ror.org/02en5vm52","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Christine Parent","raw_affiliation_strings":["Institut de Programmation, Université Paris VI, 4, place Jussieu, 75230 Paris Cedex 05 - France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut de Programmation, Université Paris VI, 4, place Jussieu, 75230 Paris Cedex 05 - France","institution_ids":["https://openalex.org/I39804081"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5105789548","display_name":"Stefano Spaccapietra","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Stefano Spaccapietra","raw_affiliation_strings":["IUT - Departement Carrières de I'information, Université de Dijon, Bd Petitjean - BP 510, 21014 Dijon Cedex - France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IUT - Departement Carrières de I'information, Université de Dijon, Bd Petitjean - BP 510, 21014 Dijon Cedex - France","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":6.0555,"has_fulltext":false,"cited_by_count":29,"citation_normalized_percentile":{"value":0.97070064,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"500","last_page":"507"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9994999766349792,"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":0.9994999766349792,"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/T11106","display_name":"Data Management and Algorithms","score":0.9969000220298767,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10215","display_name":"Semantic Web and Ontologies","score":0.9961000084877014,"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/algebra-over-a-field","display_name":"Algebra over a field","score":0.5950422286987305},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5778380632400513},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.27489930391311646},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.19311824440956116}],"concepts":[{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.5950422286987305},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5778380632400513},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27489930391311646},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.19311824440956116}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icde.1984.7271312","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icde.1984.7271312","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"1984 IEEE First International Conference on Data Engineering","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W6261509","https://openalex.org/W165917502","https://openalex.org/W1480714567","https://openalex.org/W1503670220","https://openalex.org/W1528082816","https://openalex.org/W1538721919","https://openalex.org/W1548526958","https://openalex.org/W1552722190","https://openalex.org/W1574633204","https://openalex.org/W1591063261","https://openalex.org/W2093882190","https://openalex.org/W2105775150","https://openalex.org/W2105795736","https://openalex.org/W2127425663","https://openalex.org/W2144192824","https://openalex.org/W2177539116","https://openalex.org/W2180847728","https://openalex.org/W2489748212"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2478288626","https://openalex.org/W4391913857","https://openalex.org/W2350741829","https://openalex.org/W2530322880"],"abstract_inverted_index":{"This":[0,33],"paper":[1],"defines":[2],"an":[3,9,49],"algebra":[4,14],"for":[5,28,42],"the":[6,23,43,54],"manipulation":[7,31],"of":[8,26,45],"entity-relationship":[10,47],"data":[11,30],"base.":[12],"The":[13],"is":[15,35],"said":[16],"to":[17,37,52],"be":[18],"complete":[19,46],"through":[20],"equivalence":[21],"with":[22],"usual":[24],"definition":[25,44],"completeness":[27],"relational":[29],"languages.":[32],"work":[34],"intended":[36],"provide":[38],"a":[39],"sound":[40],"basis":[41],"DMLs,":[48],"essential":[50],"feature":[51],"make":[53],"ER":[55],"model":[56],"fully":[57],"operational.":[58]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}