About: Thresholds and shifted attributes in formal concept analysis of data with fuzzy attributes

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We focus on two approaches to formal concept analysis (FCA) of data with fuzzy attributes recently proposed in the literature, namely, on the approach via hedges and the approach via thresholds. Both of the approaches present parameterized ways to FCA of data with fuzzy attributes. Our paper shows basic relationships between the two of the approaches. Furthermore, we show that the approaches can be combined in a natural way, i.e. we present an approach in which one deals with both thresholds and hedges. We argue that while the approach via thresholds is intuitively appealing, it can be considered a special case of the approach via hedges. An important role in this analysis is played by so-called shifts of fuzzy attributes which appeared earlier in the study of factorization of fuzzy concept lattices. In addition to fuzzy concept lattices, we consider the idea of thresholds for the treatment of attribute implications from tables with fuzzy attributes and prove basic results concerning validity and non-redundant bases. We focus on two approaches to formal concept analysis (FCA) of data with fuzzy attributes recently proposed in the literature, namely, on the approach via hedges and the approach via thresholds. Both of the approaches present parameterized ways to FCA of data with fuzzy attributes. Our paper shows basic relationships between the two of the approaches. Furthermore, we show that the approaches can be combined in a natural way, i.e. we present an approach in which one deals with both thresholds and hedges. We argue that while the approach via thresholds is intuitively appealing, it can be considered a special case of the approach via hedges. An important role in this analysis is played by so-called shifts of fuzzy attributes which appeared earlier in the study of factorization of fuzzy concept lattices. In addition to fuzzy concept lattices, we consider the idea of thresholds for the treatment of attribute implications from tables with fuzzy attributes and prove basic results concerning validity and non-redundant bases. (en)
Title	Thresholds and shifted attributes in formal concept analysis of data with fuzzy attributes Thresholds and shifted attributes in formal concept analysis of data with fuzzy attributes (en)
skos:prefLabel	Thresholds and shifted attributes in formal concept analysis of data with fuzzy attributes Thresholds and shifted attributes in formal concept analysis of data with fuzzy attributes (en)
skos:notation	RIV/61989592:15310/06:00002572!RIV12-MSM-15310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1ET101370417), P(GA201/05/0079), Z(MSM6198959214)
http://linked.open...iv/cisloPeriodika	N
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Outrata, Jan Vychodil, Vilém Bělohlávek, Radim
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	503860
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/06:00002572
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	concept lattice, Galois connection, fuzzy logic, formal concept analysis (en)
http://linked.open.../riv/klicoveSlovo	concept lattice formal concept analysis fuzzy logic Galois connection
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[BB84B71FDB0B]
http://linked.open...i/riv/nazevZdroje	Lecture Notes in Artificial Intelligence
http://linked.open...in/vavai/riv/obor	BD
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Hierarchical analysis of complex data Formal concept analysis of indeterminate and large data: theory, methods, and applications
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	4068
http://linked.open...iv/tvurceVysledku	Bělohlávek, Radim Outrata, Jan Vychodil, Vilém
http://linked.open...n/vavai/riv/zamer	Matematické modely a struktury
issn	0302-9743
number of pages	14 (xsd:int)
http://localhost/t...ganizacniJednotka	15310

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