About: Case study: constraint handling in evolutionary optimization of catalytic materials

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper presents a case study in an industrially important application domain the optimization of catalytic materials. Though evolutionary algorithms are the by far most frequent approach to optimization tasks in that domain, they are challenged by mixing continuous and discrete variables, and especially by a large number of constraints. The paper describes the various kinds of encountered constraints, and explains constraint handling in GENACAT, one of evolutionary optimization systems developed specifically for catalyst optimization. In particular, it is shown that the interplay between cardinality constraints and linear equality and inequality constraints allows GENACAT to efficienlty determine the set of feasible solutions, and to split the original optimization task into a sequence of discrete and continuous optimization. Finally, the genetic operations employed in the discrete optimization are sketched, among which crossover is based on an assumption about the importance of the choice of sets of continuous variables in the cardinality constraints. The paper presents a case study in an industrially important application domain the optimization of catalytic materials. Though evolutionary algorithms are the by far most frequent approach to optimization tasks in that domain, they are challenged by mixing continuous and discrete variables, and especially by a large number of constraints. The paper describes the various kinds of encountered constraints, and explains constraint handling in GENACAT, one of evolutionary optimization systems developed specifically for catalyst optimization. In particular, it is shown that the interplay between cardinality constraints and linear equality and inequality constraints allows GENACAT to efficienlty determine the set of feasible solutions, and to split the original optimization task into a sequence of discrete and continuous optimization. Finally, the genetic operations employed in the discrete optimization are sketched, among which crossover is based on an assumption about the importance of the choice of sets of continuous variables in the cardinality constraints. (en)
Title	Case study: constraint handling in evolutionary optimization of catalytic materials Case study: constraint handling in evolutionary optimization of catalytic materials (en)
skos:prefLabel	Case study: constraint handling in evolutionary optimization of catalytic materials Case study: constraint handling in evolutionary optimization of catalytic materials (en)
skos:notation	RIV/67985807:_____/11:00362974!RIV12-AV0-67985807
http://linked.open...avai/predkladatel	Ústav informatiky AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA201/08/0802), P(GAP202/11/1368), Z(AV0Z10300504)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Holeňa, Martin Bajer, Lukáš
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav informatiky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	189229
http://linked.open...ai/riv/idVysledku	RIV/67985807:_____/11:00362974
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	evolutionary optimization; mixed optimization; equality constraints; inequality constraints; cardinality constraints (en)
http://linked.open.../riv/klicoveSlovo	evolutionary optimization cardinality constraints equality constraints inequality constraints mixed optimization
http://linked.open...ontrolniKodProRIV	[51048CBA8F94]
http://linked.open...v/mistoKonaniAkce	DUBLIN
http://linked.open...i/riv/mistoVydani	New York
http://linked.open...i/riv/nazevZdroje	GECCO '11 Proceedings of the 13th annual conference companion on Genetic and evolutionary computation
http://linked.open...in/vavai/riv/obor	IN
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Learning of functional relationships from high-dimensional data Applications of Methods of Knowledge Engineering in Data Mining
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Bajer, Lukáš Holeňa, Martin Linke, D.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-07-12 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Informatika pro informační společnost: modely, algoritmy, aplikace
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1145/2001858.2002015
http://purl.org/ne...btex#hasPublisher	ACM
https://schema.org/isbn	978-1-4503-0690-4
is http://linked.open...avai/riv/vysledek of	Case study: constraint handling in evolutionary optimization of catalytic materials Case study: constraint handling in evolutionary optimization of catalytic materials

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