{"id":"https://openalex.org/W2074222267","doi":"https://doi.org/10.1016/s0306-4379(00)00025-9","title":"On the relational representation of complex specialization structures","display_name":"On the relational representation of complex specialization structures","publication_year":2000,"publication_date":"2000-09-01","ids":{"openalex":"https://openalex.org/W2074222267","doi":"https://doi.org/10.1016/s0306-4379(00)00025-9","mag":"2074222267"},"language":"en","primary_location":{"id":"doi:10.1016/s0306-4379(00)00025-9","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0306-4379(00)00025-9","pdf_url":null,"source":{"id":"https://openalex.org/S193006928","display_name":"Information Systems","issn_l":"0306-4379","issn":["0306-4379","1873-6076"],"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":"Information Systems","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/A5015763962","display_name":"Altigran S. da Silva","orcid":null},"institutions":[{"id":"https://openalex.org/I110200422","display_name":"Universidade Federal de Minas Gerais","ror":"https://ror.org/0176yjw32","country_code":"BR","type":"education","lineage":["https://openalex.org/I110200422"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"Altigran S. da Silva","raw_affiliation_strings":["Departamento de Ci\u00eancia da Computa\u00e7\u00e3o, Universidade Federal de Minas Gerais, Av. Ant\u00f4nio Carlos 6627 31270-010, Belo Horizonte MG, Brasil"],"affiliations":[{"raw_affiliation_string":"Departamento de Ci\u00eancia da Computa\u00e7\u00e3o, Universidade Federal de Minas Gerais, Av. Ant\u00f4nio Carlos 6627 31270-010, Belo Horizonte MG, Brasil","institution_ids":["https://openalex.org/I110200422"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045978751","display_name":"Alberto H. F. Laender","orcid":"https://orcid.org/0000-0001-5032-2233"},"institutions":[{"id":"https://openalex.org/I110200422","display_name":"Universidade Federal de Minas Gerais","ror":"https://ror.org/0176yjw32","country_code":"BR","type":"education","lineage":["https://openalex.org/I110200422"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Alberto H.F. Laender","raw_affiliation_strings":["Departamento de Ci\u00eancia da Computa\u00e7\u00e3o, Universidade Federal de Minas Gerais, Av. Ant\u00f4nio Carlos 6627 31270-010, Belo Horizonte MG, Brasil"],"affiliations":[{"raw_affiliation_string":"Departamento de Ci\u00eancia da Computa\u00e7\u00e3o, Universidade Federal de Minas Gerais, Av. Ant\u00f4nio Carlos 6627 31270-010, Belo Horizonte MG, Brasil","institution_ids":["https://openalex.org/I110200422"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077506036","display_name":"Marco A. Casanova","orcid":"https://orcid.org/0000-0003-0765-9636"},"institutions":[{"id":"https://openalex.org/I2699952","display_name":"Pontifical Catholic University of Rio de Janeiro","ror":"https://ror.org/01dg47b60","country_code":"BR","type":"education","lineage":["https://openalex.org/I2699952"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Marco A. Casanova","raw_affiliation_strings":["Departamento de Inform\u00e1tica, Pontif\u00edcia Universidade Cat\u00f3lica do Rio de Janeiro, Rua Marqu\u00eas de S\u00e3o Vicente 255, 22453-900, Rio de Janeiro RJ, Brasil"],"affiliations":[{"raw_affiliation_string":"Departamento de Inform\u00e1tica, Pontif\u00edcia Universidade Cat\u00f3lica do Rio de Janeiro, Rua Marqu\u00eas de S\u00e3o Vicente 255, 22453-900, Rio de Janeiro RJ, Brasil","institution_ids":["https://openalex.org/I2699952"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5015763962"],"corresponding_institution_ids":["https://openalex.org/I110200422"],"apc_list":{"value":2970,"currency":"USD","value_usd":2970},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.20952607,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"25","issue":"6-7","first_page":"399","last_page":"415"},"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/T10215","display_name":"Semantic Web and Ontologies","score":0.998199999332428,"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/T11106","display_name":"Data Management and Algorithms","score":0.9876000285148621,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8058605790138245},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.7101250290870667},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.672855019569397},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.6260848641395569},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.6095427870750427},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.5861018300056458},{"id":"https://openalex.org/keywords/relational-model","display_name":"Relational model","score":0.5654449462890625},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.49046632647514343},{"id":"https://openalex.org/keywords/entity\u2013relationship-model","display_name":"Entity\u2013relationship model","score":0.48308494687080383},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3978504538536072},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1378447413444519}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8058605790138245},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.7101250290870667},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.672855019569397},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.6260848641395569},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.6095427870750427},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.5861018300056458},{"id":"https://openalex.org/C40207289","wikidata":"https://www.wikidata.org/wiki/Q755662","display_name":"Relational model","level":3,"score":0.5654449462890625},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.49046632647514343},{"id":"https://openalex.org/C103593891","wikidata":"https://www.wikidata.org/wiki/Q624546","display_name":"Entity\u2013relationship model","level":3,"score":0.48308494687080383},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3978504538536072},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1378447413444519},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0306-4379(00)00025-9","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0306-4379(00)00025-9","pdf_url":null,"source":{"id":"https://openalex.org/S193006928","display_name":"Information Systems","issn_l":"0306-4379","issn":["0306-4379","1873-6076"],"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":"Information Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","score":0.800000011920929,"display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W35518851","https://openalex.org/W196112555","https://openalex.org/W1499704384","https://openalex.org/W1530602582","https://openalex.org/W1542384821","https://openalex.org/W1544920330","https://openalex.org/W1554917839","https://openalex.org/W1577029765","https://openalex.org/W1585075482","https://openalex.org/W1604936456","https://openalex.org/W1967291753","https://openalex.org/W2060583607","https://openalex.org/W2067171475","https://openalex.org/W2068799237","https://openalex.org/W2094407133","https://openalex.org/W2113827629","https://openalex.org/W2140037779","https://openalex.org/W2144192824","https://openalex.org/W2171042068","https://openalex.org/W2751199251","https://openalex.org/W2913032347","https://openalex.org/W2945526390","https://openalex.org/W2986348978","https://openalex.org/W3189142755","https://openalex.org/W4285719527","https://openalex.org/W6630120888","https://openalex.org/W6631811747","https://openalex.org/W6632632281","https://openalex.org/W6635199363","https://openalex.org/W6662986780"],"related_works":["https://openalex.org/W1510134535","https://openalex.org/W2267077731","https://openalex.org/W2244681254","https://openalex.org/W1489925296","https://openalex.org/W2483382562","https://openalex.org/W3091612633","https://openalex.org/W1577029765","https://openalex.org/W1897774768","https://openalex.org/W1977041410","https://openalex.org/W260106080"],"abstract_inverted_index":null,"counts_by_year":[{"year":2018,"cited_by_count":3},{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}