Schur-concave triangular norms: Characterization and application in pFCSP

Takači, Arpad

doi:10.1016/j.fss.2005.05.011

Cited by 19 publications

(18 citation statements)

References 13 publications

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“…Using the concept of GPFCSP from [5][6][7], a way was found to introduce priority queries into fuzzy relational databases, which resulted in the PFSQL query language. The PFSQL allows conditions in the WHERE clause of a query to have a different priority i.e.…”

Section: Related Workmentioning

confidence: 99%

Fuzzy XML and prioritized fuzzy XQuery with implementation

Panić

Racković

Škrbić

2014

Journal of Intelligent &Amp; Fuzzy Systems

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In real life, as opposed to virtual, most information comes in the form of imprecise or incomplete values. XML technology has made great progress in the field of storage and data transfer. We developed XML extension which combines indefiniteness in the values of XML and indefiniteness in the structure of XML into a single fuzzy XML extension. Furthermore, this paper expands XQuery syntax with fuzzy values and includes priorities and thresholds in fuzzy XQuery extension using GPFCSP for the first time. Unlike other papers that focus on setting up theories and defining syntax, in this paper, special attention is turned to their practical use. A tool for working with XML, XSD and DTD documents and prioritized fuzzy XQuery extension queries has been developed. One of the advantages of this tool is defining arbitrary membership functions. The developed tool enables defined fuzzy XML extension and their performance to be tested in practice.

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Section: Related Workmentioning

confidence: 99%

Fuzzy XML and prioritized fuzzy XQuery with implementation

Panić

Racković

Škrbić

2014

Journal of Intelligent &Amp; Fuzzy Systems

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“…Takači [32] gives an alternative axiomatic framework for the PFCSP, similar to the one given in [24], but with a stricter notion of priority. We recall that definition here.…”

Section: Pfcspmentioning

confidence: 99%

“…The fourth axiom is the monotonicity property, and finally the fifth is the upper boundary condition. A more detailed explanation of the axioms given in this definition can be found in [32]. The next theorem gives actual PFCSP that satisfies this definition.…”

Section: If There Exists a Compound Label Such Thatmentioning

confidence: 99%

Prioritized fuzzy logic based information processing in relational databases

Škrbić

Racković

Takači

2013

Knowledge-Based Systems

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“…This possibility also has to be a part of fuzzy extensions, thus combining fuzzy conditions is also a feature of PFSQL. Values are calculated using triangular norms, conorms, and strict negation [12]. Queries are handled using priority fuzzy logic which is based on GPFCSP systems.…”

Section: A Pfsql Featuresmentioning

confidence: 99%

“…The subject was elaborated in [11], where a detailed model of fuzzy relational database was given. Moreover, using the concept of GPFCSP from [12] and [13] authors have found a way to introduce priority queries into FRDB, which resulted in the PFSQL query language. In [14] and [15] authors introduce similarity relations on the fuzzy domain which are used to evaluate FRDB conditions.…”

Section: Introductionmentioning

confidence: 99%

An Interpreter for Priority Fuzzy Logic Enriched SQL

krbic

Takači

2009

2009 Fourth Balkan Conference in Informatics

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In this paper we describe a query language called PFSQL (Priority Fuzzy Structured Query Language) that, beside basic fuzzy capabilities, adds the possibility to specify priorities for fuzzy statements. We give an analysis of possibilities to extend the SQL language and briefly describe the GPFCSP (Generalized Prioritized Fuzzy Constraint Satisfaction Problem) systems, a theoretical concept vital for the implementation of the PFSQL interpreter. In the following, we describe the most important ideas used in the process of the interpreter implementation. As one of the most innovative ideas we present the fuzzy JDBC (Java Database Connectivity) driver as a framework for the PFSQL interpreter.

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Schur-concave triangular norms: Characterization and application in pFCSP

Cited by 19 publications

References 13 publications

Fuzzy XML and prioritized fuzzy XQuery with implementation

Fuzzy XML and prioritized fuzzy XQuery with implementation

Prioritized fuzzy logic based information processing in relational databases

An Interpreter for Priority Fuzzy Logic Enriched SQL

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