{"id":"https://openalex.org/W1965290471","doi":"https://doi.org/10.1016/0169-023x(95)00015-k","title":"The operational semantics of user-defined relationships in object oriented database systems","display_name":"The operational semantics of user-defined relationships in object oriented database systems","publication_year":1995,"publication_date":"1995-09-01","ids":{"openalex":"https://openalex.org/W1965290471","doi":"https://doi.org/10.1016/0169-023x(95)00015-k","mag":"1965290471"},"language":"en","primary_location":{"id":"doi:10.1016/0169-023x(95)00015-k","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0169-023x(95)00015-k","pdf_url":null,"source":{"id":"https://openalex.org/S136993123","display_name":"Data & Knowledge Engineering","issn_l":"0169-023X","issn":["0169-023X","1872-6933"],"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":"Data & Knowledge Engineering","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/A5016877880","display_name":"\u00d3scar D\u00edaz","orcid":"https://orcid.org/0000-0003-1334-4761"},"institutions":[{"id":"https://openalex.org/I169108374","display_name":"University of the Basque Country","ror":"https://ror.org/000xsnr85","country_code":"ES","type":"education","lineage":["https://openalex.org/I169108374"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Oscar D\u00edaz","raw_affiliation_strings":["Departamento de Lenguajes y Sistemas Inform\u00e1ticos, Universidad del Pa\u00eds Vasco/Euskal Herriko Unibertsitatea, Apd. 649, 20080 San Sebasti\u00e1n, Spain"],"affiliations":[{"raw_affiliation_string":"Departamento de Lenguajes y Sistemas Inform\u00e1ticos, Universidad del Pa\u00eds Vasco/Euskal Herriko Unibertsitatea, Apd. 649, 20080 San Sebasti\u00e1n, Spain","institution_ids":["https://openalex.org/I169108374"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5016877880"],"corresponding_institution_ids":["https://openalex.org/I169108374"],"apc_list":{"value":2590,"currency":"USD","value_usd":2590},"apc_paid":null,"fwci":2.5313,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.89607542,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"16","issue":"3","first_page":"223","last_page":"240"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9998000264167786,"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":0.9998000264167786,"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/T10679","display_name":"Service-Oriented Architecture and Web Services","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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":0.9939000010490417,"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/computer-science","display_name":"Computer science","score":0.7307689189910889},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.5789394378662109},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.573681652545929},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.45451849699020386},{"id":"https://openalex.org/keywords/database-design","display_name":"Database design","score":0.44227445125579834},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.4031498432159424},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.386410653591156},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1561022400856018}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7307689189910889},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.5789394378662109},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.573681652545929},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.45451849699020386},{"id":"https://openalex.org/C148840519","wikidata":"https://www.wikidata.org/wiki/Q1049878","display_name":"Database design","level":2,"score":0.44227445125579834},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.4031498432159424},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.386410653591156},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1561022400856018}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0169-023x(95)00015-k","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0169-023x(95)00015-k","pdf_url":null,"source":{"id":"https://openalex.org/S136993123","display_name":"Data & Knowledge Engineering","issn_l":"0169-023X","issn":["0169-023X","1872-6933"],"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":"Data & Knowledge Engineering","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320321764","display_name":"Ministerio de Educaci\u00f3n, Cultura y Deporte","ror":"https://ror.org/03nc27g21"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W123933375","https://openalex.org/W181176253","https://openalex.org/W1496689342","https://openalex.org/W1497449867","https://openalex.org/W1505615759","https://openalex.org/W1511348662","https://openalex.org/W1538023926","https://openalex.org/W1577560586","https://openalex.org/W1583169995","https://openalex.org/W1599271424","https://openalex.org/W1659064962","https://openalex.org/W1830889901","https://openalex.org/W2023062025","https://openalex.org/W2028544887","https://openalex.org/W2054618121","https://openalex.org/W2071116189","https://openalex.org/W2074116478","https://openalex.org/W2076626843","https://openalex.org/W2108544932","https://openalex.org/W2131153442","https://openalex.org/W2144192824","https://openalex.org/W2157598146","https://openalex.org/W2160992241","https://openalex.org/W2172104706","https://openalex.org/W2295562782","https://openalex.org/W2945526390","https://openalex.org/W6607420864","https://openalex.org/W6629737955","https://openalex.org/W6630227916","https://openalex.org/W6630589125","https://openalex.org/W6632283300","https://openalex.org/W6634478807","https://openalex.org/W6636163806","https://openalex.org/W6637167417","https://openalex.org/W6656059507","https://openalex.org/W6663962380","https://openalex.org/W6669580226","https://openalex.org/W6791111323"],"related_works":["https://openalex.org/W584886505","https://openalex.org/W2366660644","https://openalex.org/W3184093474","https://openalex.org/W2371449207","https://openalex.org/W3162115094","https://openalex.org/W2788308474","https://openalex.org/W1568401719","https://openalex.org/W2188578519","https://openalex.org/W3130673957","https://openalex.org/W630074038"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}