Analysis of fuzzy -ary relations with the use of interval-valued fuzzy functional dependencies.
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| Title: | Analysis of fuzzy -ary relations with the use of interval-valued fuzzy functional dependencies. |
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| Authors: | Myszkorowski, Krzysztof1 (AUTHOR) kamysz@ics.p.lodz.pl |
| Source: | International Journal of General Systems. Aug2013, Vol. 42 Issue 6, p635-658. 24p. 2 Charts. |
| Subjects: | Functional dependencies, Fuzzy algorithms, Databases, Fuzzy mathematics, Fuzzy control systems |
| Abstract: | The paper contains an analysis of integrity constraints for-ary relations in fuzzy databases. Apart from dependencies between allattributes there may be also dependencies describing relationships of fewer attributes. However, there is no complete arbitrariness. Relationships comprising (1) attributes must not infringe integrity constraints of the-ary relation. The analysis is carried out using the theory of functional dependencies. In this paper, we assume that attribute values are represented by means of interval-valued possibility distributions. The notion of fuzzy functional dependency has been appropriately extended according to the representation of fuzzy data. The paper formulates the rules to which fuzzy functional dependencies between (1) attributes of the-ary relation must be subordinated. [ABSTRACT FROM AUTHOR] |
| Copyright of International Journal of General Systems is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
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| Header | DbId: egs DbLabel: Engineering Source An: 88212733 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Analysis of fuzzy -ary relations with the use of interval-valued fuzzy functional dependencies. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Myszkorowski%2C+Krzysztof%22">Myszkorowski, Krzysztof</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> kamysz@ics.p.lodz.pl</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22International+Journal+of+General+Systems%22">International Journal of General Systems</searchLink>. Aug2013, Vol. 42 Issue 6, p635-658. 24p. 2 Charts. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Functional+dependencies%22">Functional dependencies</searchLink><br /><searchLink fieldCode="DE" term="%22Fuzzy+algorithms%22">Fuzzy algorithms</searchLink><br /><searchLink fieldCode="DE" term="%22Databases%22">Databases</searchLink><br /><searchLink fieldCode="DE" term="%22Fuzzy+mathematics%22">Fuzzy mathematics</searchLink><br /><searchLink fieldCode="DE" term="%22Fuzzy+control+systems%22">Fuzzy control systems</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: The paper contains an analysis of integrity constraints for-ary relations in fuzzy databases. Apart from dependencies between allattributes there may be also dependencies describing relationships of fewer attributes. However, there is no complete arbitrariness. Relationships comprising (1) attributes must not infringe integrity constraints of the-ary relation. The analysis is carried out using the theory of functional dependencies. In this paper, we assume that attribute values are represented by means of interval-valued possibility distributions. The notion of fuzzy functional dependency has been appropriately extended according to the representation of fuzzy data. The paper formulates the rules to which fuzzy functional dependencies between (1) attributes of the-ary relation must be subordinated. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of International Journal of General Systems is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
| PLink | https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=88212733 |
| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1080/03081079.2013.798909 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 24 StartPage: 635 Subjects: – SubjectFull: Functional dependencies Type: general – SubjectFull: Fuzzy algorithms Type: general – SubjectFull: Databases Type: general – SubjectFull: Fuzzy mathematics Type: general – SubjectFull: Fuzzy control systems Type: general Titles: – TitleFull: Analysis of fuzzy -ary relations with the use of interval-valued fuzzy functional dependencies. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Myszkorowski, Krzysztof IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 08 Text: Aug2013 Type: published Y: 2013 Identifiers: – Type: issn-print Value: 03081079 Numbering: – Type: volume Value: 42 – Type: issue Value: 6 Titles: – TitleFull: International Journal of General Systems Type: main |
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