Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/26546
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dc.contributor.authorMcMenemy, Paulen_UK
dc.contributor.authorVeerapen, Nadarajenen_UK
dc.contributor.authorOchoa, Gabrielaen_UK
dc.contributor.editorLiefooghe, Aen_UK
dc.contributor.editorLópez-Ibáñez, Men_UK
dc.date.accessioned2018-04-11T22:52:06Z-
dc.date.available2018-04-11T22:52:06Z-
dc.date.issued2018en_UK
dc.identifier.urihttp://hdl.handle.net/1893/26546-
dc.description.abstractLocal optima networks are a valuable tool used to analyse and visualise the global structure of combinatorial search spaces; in particular, the existence and distribution of multiple funnels in the landscape. We extract and analyse the networks induced by Chained-LK, a powerful iterated local search for the TSP, on a large set of randomly generated (Uniform and Clustered) instances. Results indicate that increasing the perturbation strength employed by Chained-LK modifies the landscape's global structure, with the effect being markedly different for the two classes of instances. Our quantitative analysis shows that several funnel metrics have stronger correlations with Chained-LK success rate than the number of local optima, indicating that global structure clearly impacts search performance.en_UK
dc.language.isoenen_UK
dc.publisherSpringeren_UK
dc.relationMcMenemy P, Veerapen N & Ochoa G (2018) How Perturbation Strength Shapes the Global Structure of TSP Fitness Landscapes. In: Liefooghe A & López-Ibáñez M (eds.) Evolutionary Computation in Combinatorial Optimization. EvoCOP 2018. Lecture Notes in Computer Science, 10782. EvoCOP 2018 - The 18th European Conference on Evolutionary Computation in Combinatorial Optimisation, Parma, Italy, 04.04.2018-06.04.2018. Cham, Switzerland: Springer, pp. 34-49. https://doi.org/10.1007/978-3-319-77449-7_3en_UK
dc.relationDAASE: Dynamic Adaptive Automated Software Engineeringen_UK
dc.relationEP/J017515/1en_UK
dc.relationThe Cartography of Computational Search Spacesen_UK
dc.relationRPG-2015-395en_UK
dc.relation.ispartofseriesLecture Notes in Computer Science, 10782en_UK
dc.relation.urihttp://hdl.handle.net/11667/104en_UK
dc.relation.urihttp://www.evostar.org/2018/cfp_evocop.phpen_UK
dc.rightsPublisher policy allows this work to be made available in this repository. Published in Liefooghe A., López-Ibáñez M. (eds) Evolutionary Computation in Combinatorial Optimization. EvoCOP 2018. Lecture Notes in Computer Science, vol 10782 by Springer. The final publication is available at Springer via https://doi.org/10.1007/978-3-319-77449-7_3en_UK
dc.subjectFitness landscapeen_UK
dc.subjectLocal Searchen_UK
dc.subjectLocal Optima Networksen_UK
dc.subjectTravelling Salesman Problemen_UK
dc.titleHow Perturbation Strength Shapes the Global Structure of TSP Fitness Landscapesen_UK
dc.typeConference Paperen_UK
dc.identifier.doi10.1007/978-3-319-77449-7_3en_UK
dc.citation.issn1611-3349en_UK
dc.citation.issn0302-9743en_UK
dc.citation.spage34en_UK
dc.citation.epage49en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusAM - Accepted Manuscripten_UK
dc.contributor.funderEngineering and Physical Sciences Research Councilen_UK
dc.contributor.funderThe Leverhulme Trusten_UK
dc.author.emailpaul.mcmenemy@stir.ac.uken_UK
dc.citation.btitleEvolutionary Computation in Combinatorial Optimization. EvoCOP 2018en_UK
dc.citation.conferencedates2018-04-04 - 2018-04-06en_UK
dc.citation.conferencelocationParma, Italyen_UK
dc.citation.conferencenameEvoCOP 2018 - The 18th European Conference on Evolutionary Computation in Combinatorial Optimisationen_UK
dc.citation.date03/03/2018en_UK
dc.citation.isbn9783319774480; 9783319774497en_UK
dc.citation.isbn978-3-319-77449-7en_UK
dc.publisher.addressCham, Switzerlanden_UK
dc.contributor.affiliationComputing Scienceen_UK
dc.contributor.affiliationComputing Scienceen_UK
dc.contributor.affiliationComputing Scienceen_UK
dc.identifier.isi000442943900003en_UK
dc.identifier.scopusid2-s2.0-85044728743en_UK
dc.identifier.wtid882339en_UK
dc.contributor.orcid0000-0002-5280-425Xen_UK
dc.contributor.orcid0000-0003-3699-1080en_UK
dc.contributor.orcid0000-0001-7649-5669en_UK
dc.date.accepted2017-12-26en_UK
dc.date.firstcompliantdepositdate2018-01-17en_UK
dc.description.refREF Compliant by Deposit in Stirling's Repositoryen_UK
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