{"id":"https://openalex.org/W1985728839","doi":"https://doi.org/10.1016/s0022-0000(05)80078-9","title":"Implication problems for functional constraints on databases supporting complex objects","display_name":"Implication problems for functional constraints on databases supporting complex objects","publication_year":1994,"publication_date":"1994-12-01","ids":{"openalex":"https://openalex.org/W1985728839","doi":"https://doi.org/10.1016/s0022-0000(05)80078-9","mag":"1985728839"},"language":"en","primary_location":{"id":"doi:10.1016/s0022-0000(05)80078-9","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0022-0000(05)80078-9","pdf_url":null,"source":{"id":"https://openalex.org/S141020589","display_name":"Journal of Computer and System Sciences","issn_l":"0022-0000","issn":["0022-0000","1090-2724"],"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":"Journal of Computer and System Sciences","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/A5113923123","display_name":"Minoru Ito","orcid":null},"institutions":[{"id":"https://openalex.org/I1317171322","display_name":"National Archives and Records Administration","ror":"https://ror.org/032214n64","country_code":"US","type":"archive","lineage":["https://openalex.org/I1317171322"]},{"id":"https://openalex.org/I75917431","display_name":"Nara Institute of Science and Technology","ror":"https://ror.org/05bhada84","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Minoru Ito","raw_affiliation_strings":["Graduate School of Information Science, Nara Institute of Science and Technology, Ikoma, Nara 630-01, Japan","Nara Inst Sci & Technol, Grad Sch Informat Sci, 8916 5 Takayama, Nara 63001, Japan and Univ Waterloo, Dept Comp Sci, Waterloo, ON N2L 3G1, Canada#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science, Nara Institute of Science and Technology, Ikoma, Nara 630-01, Japan","institution_ids":["https://openalex.org/I75917431"]},{"raw_affiliation_string":"Nara Inst Sci & Technol, Grad Sch Informat Sci, 8916 5 Takayama, Nara 63001, Japan and Univ Waterloo, Dept Comp Sci, Waterloo, ON N2L 3G1, Canada#TAB#","institution_ids":["https://openalex.org/I1317171322"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050672744","display_name":"Grant Weddell","orcid":null},"institutions":[{"id":"https://openalex.org/I1317171322","display_name":"National Archives and Records Administration","ror":"https://ror.org/032214n64","country_code":"US","type":"archive","lineage":["https://openalex.org/I1317171322"]},{"id":"https://openalex.org/I151746483","display_name":"University of Waterloo","ror":"https://ror.org/01aff2v68","country_code":"CA","type":"education","lineage":["https://openalex.org/I151746483"]}],"countries":["CA","US"],"is_corresponding":false,"raw_author_name":"Grant E. Weddell","raw_affiliation_strings":["Department of Computer Science, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1","Nara Inst Sci & Technol, Grad Sch Informat Sci, 8916 5 Takayama, Nara 63001, Japan and Univ Waterloo, Dept Comp Sci, Waterloo, ON N2L 3G1, Canada#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1","institution_ids":["https://openalex.org/I151746483"]},{"raw_affiliation_string":"Nara Inst Sci & Technol, Grad Sch Informat Sci, 8916 5 Takayama, Nara 63001, Japan and Univ Waterloo, Dept Comp Sci, Waterloo, ON N2L 3G1, Canada#TAB#","institution_ids":["https://openalex.org/I1317171322"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2520,"currency":"USD","value_usd":2520},"apc_paid":null,"fwci":1.0692,"has_fulltext":false,"cited_by_count":55,"citation_normalized_percentile":{"value":0.79088596,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"49","issue":"3","first_page":"726","last_page":"768"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9991999864578247,"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":0.9973000288009644,"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/decidability","display_name":"Decidability","score":0.779334306716919},{"id":"https://openalex.org/keywords/functional-dependency","display_name":"Functional dependency","score":0.6811303496360779},{"id":"https://openalex.org/keywords/closure","display_name":"Closure (psychology)","score":0.6637519598007202},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5483322143554688},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.5314290523529053},{"id":"https://openalex.org/keywords/property","display_name":"Property (philosophy)","score":0.5276778340339661},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.5178025960922241},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.47384554147720337},{"id":"https://openalex.org/keywords/antecedent","display_name":"Antecedent (behavioral psychology)","score":0.4472905397415161},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.44522824883461},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.43609383702278137},{"id":"https://openalex.org/keywords/automaton","display_name":"Automaton","score":0.4212474524974823},{"id":"https://openalex.org/keywords/data-integrity","display_name":"Data integrity","score":0.4165022671222687},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.41228795051574707},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.395488440990448},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3765895366668701},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.19568651914596558},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.15838679671287537}],"concepts":[{"id":"https://openalex.org/C153269930","wikidata":"https://www.wikidata.org/wiki/Q430001","display_name":"Decidability","level":2,"score":0.779334306716919},{"id":"https://openalex.org/C26320393","wikidata":"https://www.wikidata.org/wiki/Q597053","display_name":"Functional dependency","level":3,"score":0.6811303496360779},{"id":"https://openalex.org/C146834321","wikidata":"https://www.wikidata.org/wiki/Q2979672","display_name":"Closure (psychology)","level":2,"score":0.6637519598007202},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5483322143554688},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5314290523529053},{"id":"https://openalex.org/C189950617","wikidata":"https://www.wikidata.org/wiki/Q937228","display_name":"Property (philosophy)","level":2,"score":0.5276778340339661},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.5178025960922241},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.47384554147720337},{"id":"https://openalex.org/C2781256819","wikidata":"https://www.wikidata.org/wiki/Q16828835","display_name":"Antecedent (behavioral psychology)","level":2,"score":0.4472905397415161},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.44522824883461},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.43609383702278137},{"id":"https://openalex.org/C112505250","wikidata":"https://www.wikidata.org/wiki/Q787116","display_name":"Automaton","level":2,"score":0.4212474524974823},{"id":"https://openalex.org/C33762810","wikidata":"https://www.wikidata.org/wiki/Q461671","display_name":"Data integrity","level":2,"score":0.4165022671222687},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.41228795051574707},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.395488440990448},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3765895366668701},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.19568651914596558},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.15838679671287537},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"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/C138496976","wikidata":"https://www.wikidata.org/wiki/Q175002","display_name":"Developmental psychology","level":1,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/s0022-0000(05)80078-9","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0022-0000(05)80078-9","pdf_url":null,"source":{"id":"https://openalex.org/S141020589","display_name":"Journal of Computer and System Sciences","issn_l":"0022-0000","issn":["0022-0000","1090-2724"],"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":"Journal of Computer and System Sciences","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.87.5613","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.87.5613","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cs.uwaterloo.ca/research/tr/1991/35/CS-91-35.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.4399999976158142}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W6645450","https://openalex.org/W53782684","https://openalex.org/W94967048","https://openalex.org/W118038106","https://openalex.org/W1565429491","https://openalex.org/W1569370144","https://openalex.org/W1965392376","https://openalex.org/W1967992696","https://openalex.org/W1989910224","https://openalex.org/W2027750453","https://openalex.org/W2028052727","https://openalex.org/W2053678463","https://openalex.org/W2063014766","https://openalex.org/W2063538282","https://openalex.org/W2075035440","https://openalex.org/W2090785509","https://openalex.org/W2092371432","https://openalex.org/W2147110361","https://openalex.org/W2147869465","https://openalex.org/W2148456474","https://openalex.org/W2474235121","https://openalex.org/W2587041094","https://openalex.org/W2587392202","https://openalex.org/W4292760868","https://openalex.org/W6600837594","https://openalex.org/W6603778608","https://openalex.org/W6633691337","https://openalex.org/W6633938517","https://openalex.org/W6634082989","https://openalex.org/W6635920341","https://openalex.org/W6636269127","https://openalex.org/W6733212091"],"related_works":["https://openalex.org/W2965659132","https://openalex.org/W2401565948","https://openalex.org/W1591194440","https://openalex.org/W2066575439","https://openalex.org/W1545474678","https://openalex.org/W2053916312","https://openalex.org/W4250124962","https://openalex.org/W1985728839","https://openalex.org/W2084172919","https://openalex.org/W2131060875"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":20},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
