{"id":"https://openalex.org/W2010489614","doi":"https://doi.org/10.1016/0306-4379(84)90022-x","title":"Constraint preserving and lossless database transformations","display_name":"Constraint preserving and lossless database transformations","publication_year":1984,"publication_date":"1984-01-01","ids":{"openalex":"https://openalex.org/W2010489614","doi":"https://doi.org/10.1016/0306-4379(84)90022-x","mag":"2010489614"},"language":"en","primary_location":{"id":"doi:10.1016/0306-4379(84)90022-x","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0306-4379(84)90022-x","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/A5078922929","display_name":"John Grant","orcid":"https://orcid.org/0000-0001-7503-7703"},"institutions":[{"id":"https://openalex.org/I4322298","display_name":"Towson University","ror":"https://ror.org/044w7a341","country_code":"US","type":"education","lineage":["https://openalex.org/I4322298"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"John Grant","raw_affiliation_strings":["Department of Mathematics and Computer Science, Towson State University, Towson, MD 21204, U.S.A","Towson State Univ., Towson, MD"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics and Computer Science, Towson State University, Towson, MD 21204, U.S.A","institution_ids":["https://openalex.org/I4322298"]},{"raw_affiliation_string":"Towson State Univ., Towson, MD","institution_ids":["https://openalex.org/I4322298"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5078922929"],"corresponding_institution_ids":["https://openalex.org/I4322298"],"apc_list":{"value":2840,"currency":"USD","value_usd":2840},"apc_paid":null,"fwci":1.2718,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.80879828,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"9","issue":"2","first_page":"139","last_page":"146"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9995999932289124,"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":0.9995999932289124,"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":0.9968000054359436,"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.9941999912261963,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/lossless-compression","display_name":"Lossless compression","score":0.8725709915161133},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7614120244979858},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.7280787229537964},{"id":"https://openalex.org/keywords/relational-model","display_name":"Relational model","score":0.5713579058647156},{"id":"https://openalex.org/keywords/normalization","display_name":"Normalization (sociology)","score":0.5509299039840698},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.5401642918586731},{"id":"https://openalex.org/keywords/functional-dependency","display_name":"Functional dependency","score":0.5098018050193787},{"id":"https://openalex.org/keywords/database-design","display_name":"Database design","score":0.453899085521698},{"id":"https://openalex.org/keywords/database-model","display_name":"Database model","score":0.44748011231422424},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.43197566270828247},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.4188109040260315},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3933299779891968},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2306673228740692},{"id":"https://openalex.org/keywords/data-compression","display_name":"Data compression","score":0.20647260546684265},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19197657704353333}],"concepts":[{"id":"https://openalex.org/C81081738","wikidata":"https://www.wikidata.org/wiki/Q55542","display_name":"Lossless compression","level":3,"score":0.8725709915161133},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7614120244979858},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.7280787229537964},{"id":"https://openalex.org/C40207289","wikidata":"https://www.wikidata.org/wiki/Q755662","display_name":"Relational model","level":3,"score":0.5713579058647156},{"id":"https://openalex.org/C136886441","wikidata":"https://www.wikidata.org/wiki/Q926129","display_name":"Normalization (sociology)","level":2,"score":0.5509299039840698},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5401642918586731},{"id":"https://openalex.org/C26320393","wikidata":"https://www.wikidata.org/wiki/Q597053","display_name":"Functional dependency","level":3,"score":0.5098018050193787},{"id":"https://openalex.org/C148840519","wikidata":"https://www.wikidata.org/wiki/Q1049878","display_name":"Database design","level":2,"score":0.453899085521698},{"id":"https://openalex.org/C5968703","wikidata":"https://www.wikidata.org/wiki/Q267136","display_name":"Database model","level":3,"score":0.44748011231422424},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.43197566270828247},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.4188109040260315},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3933299779891968},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2306673228740692},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.20647260546684265},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19197657704353333},{"id":"https://openalex.org/C19165224","wikidata":"https://www.wikidata.org/wiki/Q23404","display_name":"Anthropology","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0306-4379(84)90022-x","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0306-4379(84)90022-x","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":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W89622646","https://openalex.org/W2000773957","https://openalex.org/W2031929451","https://openalex.org/W2094875247","https://openalex.org/W2177275277","https://openalex.org/W2489748212","https://openalex.org/W2763569821","https://openalex.org/W2788164529","https://openalex.org/W6603589013","https://openalex.org/W6685687949"],"related_works":["https://openalex.org/W2483382562","https://openalex.org/W4248533530","https://openalex.org/W2386848747","https://openalex.org/W4297044271","https://openalex.org/W2393499861","https://openalex.org/W73223004","https://openalex.org/W3085968255","https://openalex.org/W2602282026","https://openalex.org/W2126493028","https://openalex.org/W2155293462"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}