{"id":"https://openalex.org/W2172588603","doi":"https://doi.org/10.1142/s0218488515500269","title":"Multivalued Dependencies in Fuzzy Multivalued Relational Databases Using Fuzzy Functions","display_name":"Multivalued Dependencies in Fuzzy Multivalued Relational Databases Using Fuzzy Functions","publication_year":2015,"publication_date":"2015-08-01","ids":{"openalex":"https://openalex.org/W2172588603","doi":"https://doi.org/10.1142/s0218488515500269","mag":"2172588603"},"language":"en","primary_location":{"id":"doi:10.1142/s0218488515500269","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218488515500269","pdf_url":null,"source":{"id":"https://openalex.org/S69518169","display_name":"International Journal of Uncertainty Fuzziness and Knowledge-Based Systems","issn_l":"0218-4885","issn":["0218-4885","1793-6411"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Uncertainty, Fuzziness and Knowledge-Based 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/A5074475302","display_name":"Devendra K. Tayal","orcid":"https://orcid.org/0000-0001-7388-5880"},"institutions":[{"id":"https://openalex.org/I4210143260","display_name":"Indira Gandhi Delhi Technical University for Women","ror":"https://ror.org/057c5p638","country_code":"IN","type":"education","lineage":["https://openalex.org/I4210143260"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Devendra K. Tayal","raw_affiliation_strings":["Department of Computer Science and Engineering, Indira Gandhi Delhi Technical University for Women, Delhi, 110006, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Indira Gandhi Delhi Technical University for Women, Delhi, 110006, India","institution_ids":["https://openalex.org/I4210143260"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035725943","display_name":"Prateek Saxena","orcid":"https://orcid.org/0000-0002-6431-4864"},"institutions":[{"id":"https://openalex.org/I152429107","display_name":"Jawaharlal Nehru University","ror":"https://ror.org/0567v8t28","country_code":"IN","type":"education","lineage":["https://openalex.org/I152429107"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"P. C. Saxena","raw_affiliation_strings":["School of Computer and System Sciences, Jawaharlal Nehru University, Delhi, 110067, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer and System Sciences, Jawaharlal Nehru University, Delhi, 110067, India","institution_ids":["https://openalex.org/I152429107"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5074475302"],"corresponding_institution_ids":["https://openalex.org/I4210143260"],"apc_list":null,"apc_paid":null,"fwci":0.5685,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.67363722,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"23","issue":"04","first_page":"589","last_page":"626"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9994000196456909,"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"}},"topics":[{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9994000196456909,"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/T10317","display_name":"Advanced Database Systems and Queries","score":0.9984999895095825,"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/T11063","display_name":"Rough Sets and Fuzzy Logic","score":0.9966999888420105,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/fuzzy-set-operations","display_name":"Fuzzy set operations","score":0.5682204365730286},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.5637281537055969},{"id":"https://openalex.org/keywords/functional-dependency","display_name":"Functional dependency","score":0.5441743731498718},{"id":"https://openalex.org/keywords/fuzzy-logic","display_name":"Fuzzy logic","score":0.5322862267494202},{"id":"https://openalex.org/keywords/fuzzy-classification","display_name":"Fuzzy classification","score":0.5292935371398926},{"id":"https://openalex.org/keywords/defuzzification","display_name":"Defuzzification","score":0.5206848382949829},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5021829605102539},{"id":"https://openalex.org/keywords/tuple","display_name":"Tuple","score":0.4936541020870209},{"id":"https://openalex.org/keywords/relational-calculus","display_name":"Relational calculus","score":0.4883708357810974},{"id":"https://openalex.org/keywords/dependency-theory","display_name":"Dependency theory (database theory)","score":0.48499390482902527},{"id":"https://openalex.org/keywords/fuzzy-set","display_name":"Fuzzy set","score":0.4822983741760254},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4802303910255432},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.45847418904304504},{"id":"https://openalex.org/keywords/relational-model","display_name":"Relational model","score":0.43463659286499023},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.40868234634399414},{"id":"https://openalex.org/keywords/fuzzy-number","display_name":"Fuzzy number","score":0.3738026022911072},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.21927905082702637},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.14858591556549072}],"concepts":[{"id":"https://openalex.org/C148671577","wikidata":"https://www.wikidata.org/wiki/Q5511133","display_name":"Fuzzy set operations","level":4,"score":0.5682204365730286},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.5637281537055969},{"id":"https://openalex.org/C26320393","wikidata":"https://www.wikidata.org/wiki/Q597053","display_name":"Functional dependency","level":3,"score":0.5441743731498718},{"id":"https://openalex.org/C58166","wikidata":"https://www.wikidata.org/wiki/Q224821","display_name":"Fuzzy logic","level":2,"score":0.5322862267494202},{"id":"https://openalex.org/C127385683","wikidata":"https://www.wikidata.org/wiki/Q1475696","display_name":"Fuzzy classification","level":4,"score":0.5292935371398926},{"id":"https://openalex.org/C170260401","wikidata":"https://www.wikidata.org/wiki/Q5251735","display_name":"Defuzzification","level":5,"score":0.5206848382949829},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5021829605102539},{"id":"https://openalex.org/C118930307","wikidata":"https://www.wikidata.org/wiki/Q600590","display_name":"Tuple","level":2,"score":0.4936541020870209},{"id":"https://openalex.org/C99436015","wikidata":"https://www.wikidata.org/wiki/Q1722436","display_name":"Relational calculus","level":4,"score":0.4883708357810974},{"id":"https://openalex.org/C40683218","wikidata":"https://www.wikidata.org/wiki/Q5260625","display_name":"Dependency theory (database theory)","level":4,"score":0.48499390482902527},{"id":"https://openalex.org/C42011625","wikidata":"https://www.wikidata.org/wiki/Q1055058","display_name":"Fuzzy set","level":3,"score":0.4822983741760254},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4802303910255432},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.45847418904304504},{"id":"https://openalex.org/C40207289","wikidata":"https://www.wikidata.org/wiki/Q755662","display_name":"Relational model","level":3,"score":0.43463659286499023},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.40868234634399414},{"id":"https://openalex.org/C1883856","wikidata":"https://www.wikidata.org/wiki/Q3407463","display_name":"Fuzzy number","level":4,"score":0.3738026022911072},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.21927905082702637},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.14858591556549072}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1142/s0218488515500269","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218488515500269","pdf_url":null,"source":{"id":"https://openalex.org/S69518169","display_name":"International Journal of Uncertainty Fuzziness and Knowledge-Based Systems","issn_l":"0218-4885","issn":["0218-4885","1793-6411"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W16633610","https://openalex.org/W1501755361","https://openalex.org/W1966407765","https://openalex.org/W1992938752","https://openalex.org/W1995201633","https://openalex.org/W2017978889","https://openalex.org/W2019433008","https://openalex.org/W2036956047","https://openalex.org/W2066994354","https://openalex.org/W2072960837","https://openalex.org/W2075541500","https://openalex.org/W2092259176","https://openalex.org/W2309417901","https://openalex.org/W2787937660","https://openalex.org/W2913901839","https://openalex.org/W4299486612"],"related_works":["https://openalex.org/W2116767780","https://openalex.org/W165346131","https://openalex.org/W1594511838","https://openalex.org/W2133756937","https://openalex.org/W2185054849","https://openalex.org/W2350949848","https://openalex.org/W2049150522","https://openalex.org/W2017978889","https://openalex.org/W2361244046","https://openalex.org/W2126493028"],"abstract_inverted_index":{"In":[0],"this":[1,45,107],"paper":[2,46,108],"we":[3,95,219],"discuss":[4],"an":[5],"important":[6],"integrity":[7],"constraint":[8],"called":[9,31],"multivalued":[10,33,39,118,154,209,234],"dependency":[11],"(mvd),":[12],"which":[13],"occurs":[14],"as":[15,59,93],"a":[16,27,48,60,123,139,143,175,207,249],"result":[17],"of":[18,26,51,57,62,76,87,99,106,116,126,145,162,177,206,215,232,240,243,253,269],"the":[19,24,55,80,85,97,103,112,132,160,166,182,186,198,202,213,216,221,226,241,260,266],"first":[20],"normal":[21],"form,":[22],"in":[23,44,79,114,137,152,164,212,230],"framework":[25],"newly":[28],"proposed":[29,43],"model":[30,42,69,120],"fuzzy":[32,38,63,89,100,117,146,153,208,233],"relational":[34,40,119,155,210,235],"data":[35,41],"model.":[36],"The":[37],"accommodates":[47],"wider":[49,124],"class":[50,125],"ambiguities":[52],"by":[53,246],"representing":[54],"domain":[56],"attributes":[58],"\u201cset":[61],"subsets\u201d.":[64],"We":[65,172,195,237],"show":[66],"that":[67,122,258],"our":[68],"is":[70,109,157,170],"able":[71],"to":[72,110,192,224,248,264],"represent":[73],"multiple":[74,267],"types":[75,268],"impreciseness":[77,127],"occurring":[78],"real":[81,250],"world.":[82],"To":[83],"compute":[84],"equality":[86],"two":[88],"sets/values":[90],"(which":[91],"occur":[92],"tuple-values),":[94],"use":[96],"concept":[98],"functions.":[101],"So":[102],"main":[104],"objective":[105],"extend":[111,220],"mvds":[113,133,151],"context":[115,231],"so":[121],"can":[128],"be":[129,193],"captured.":[130],"Since":[131],"may":[134],"not":[135],"exist":[136],"isolation,":[138],"complete":[140],"axiomatization":[141],"for":[142,181,188,200],"set":[144,176],"functional":[147],"dependencies":[148],"(ffds)":[149],"and":[150,159,184,256],"schema":[156,211],"provided":[158],"role":[161],"fmvds":[163,183,244],"obtaining":[165,201],"lossless":[167,203,227],"join":[168,204,228],"decomposition":[169,205,229],"discussed.":[171],"also":[173,196],"provide":[174],"sound":[178],"Inference":[179,190],"Rules":[180,191],"derive":[185,197],"conditions":[187,199],"these":[189],"complete.":[194],"presence":[214],"fmvds.":[217],"Finally":[218],"ABU's":[222],"Algorithm":[223],"find":[225],"databases.":[236],"apply":[238],"all":[239],"concepts":[242,261],"developed":[245],"us":[247],"world":[251],"application":[252],"\u201cTechnical":[254],"Institute\u201d":[255],"demonstrate":[257],"how":[259],"fit":[262],"well":[263],"capture":[265],"impreciseness.":[270]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}