{"id":"https://openalex.org/W2484365019","doi":"https://doi.org/10.1145/2908812.2908909","title":"When Non-Elitism Outperforms Elitism for Crossing Fitness Valleys","display_name":"When Non-Elitism Outperforms Elitism for Crossing Fitness Valleys","publication_year":2016,"publication_date":"2016-07-20","ids":{"openalex":"https://openalex.org/W2484365019","doi":"https://doi.org/10.1145/2908812.2908909","mag":"2484365019"},"language":"en","primary_location":{"id":"doi:10.1145/2908812.2908909","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2908812.2908909","pdf_url":"http://dl.acm.org/ft_gateway.cfm?id=2908909&type=pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Genetic and Evolutionary Computation Conference 2016","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"http://dl.acm.org/ft_gateway.cfm?id=2908909&type=pdf","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5063001475","display_name":"Pietro S. Oliveto","orcid":"https://orcid.org/0000-0001-8164-6767"},"institutions":[{"id":"https://openalex.org/I91136226","display_name":"University of Sheffield","ror":"https://ror.org/05krs5044","country_code":"GB","type":"education","lineage":["https://openalex.org/I91136226"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Pietro S. Oliveto","raw_affiliation_strings":["University of Sheffield, Sheffield, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Sheffield, Sheffield, United Kingdom","institution_ids":["https://openalex.org/I91136226"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047011809","display_name":"Tiago Paix\u00e3o","orcid":"https://orcid.org/0000-0003-2361-3953"},"institutions":[{"id":"https://openalex.org/I157556583","display_name":"Institute of Science and Technology Austria","ror":"https://ror.org/03gnh5541","country_code":"AT","type":"education","lineage":["https://openalex.org/I157556583"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Tiago Paix\u00e3o","raw_affiliation_strings":["IST Austria, Vienna, Austria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IST Austria, Vienna, Austria","institution_ids":["https://openalex.org/I157556583"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086791943","display_name":"Jorge P\u00e9rez Heredia","orcid":"https://orcid.org/0000-0003-4688-182X"},"institutions":[{"id":"https://openalex.org/I91136226","display_name":"University of Sheffield","ror":"https://ror.org/05krs5044","country_code":"GB","type":"education","lineage":["https://openalex.org/I91136226"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Jorge P\u00e9rez Heredia","raw_affiliation_strings":["University of Sheffield, Sheffield, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Sheffield, Sheffield, United Kingdom","institution_ids":["https://openalex.org/I91136226"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018789989","display_name":"Dirk Sudholt","orcid":"https://orcid.org/0000-0001-6020-1646"},"institutions":[{"id":"https://openalex.org/I91136226","display_name":"University of Sheffield","ror":"https://ror.org/05krs5044","country_code":"GB","type":"education","lineage":["https://openalex.org/I91136226"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Dirk Sudholt","raw_affiliation_strings":["University of Sheffield, Sheffield, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Sheffield, Sheffield, United Kingdom","institution_ids":["https://openalex.org/I91136226"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070800805","display_name":"Barbora Trubenov\u00e1","orcid":"https://orcid.org/0000-0002-6873-2967"},"institutions":[{"id":"https://openalex.org/I157556583","display_name":"Institute of Science and Technology Austria","ror":"https://ror.org/03gnh5541","country_code":"AT","type":"education","lineage":["https://openalex.org/I157556583"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Barbora Trubenov\u00e1","raw_affiliation_strings":["IST Austria, Vienna, Austria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IST Austria, Vienna, Austria","institution_ids":["https://openalex.org/I157556583"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.777,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.73251647,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1163","last_page":"1170"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11975","display_name":"Evolutionary Algorithms and Applications","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11975","display_name":"Evolutionary Algorithms and Applications","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10100","display_name":"Metaheuristic Optimization Algorithms Research","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11764","display_name":"Evolution and Genetic Dynamics","score":0.9925000071525574,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/elitism","display_name":"Elitism","score":0.9534788131713867},{"id":"https://openalex.org/keywords/fitness-landscape","display_name":"Fitness landscape","score":0.7263766527175903},{"id":"https://openalex.org/keywords/fitness-function","display_name":"Fitness function","score":0.6825181245803833},{"id":"https://openalex.org/keywords/jump","display_name":"Jump","score":0.6171900033950806},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5621833205223083},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.5411938428878784},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4905954897403717},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.4891710579395294},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.40174052119255066},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.35670900344848633},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3120247721672058},{"id":"https://openalex.org/keywords/genetic-algorithm","display_name":"Genetic algorithm","score":0.1935918629169464},{"id":"https://openalex.org/keywords/sociology","display_name":"Sociology","score":0.1677461564540863},{"id":"https://openalex.org/keywords/demography","display_name":"Demography","score":0.115651935338974}],"concepts":[{"id":"https://openalex.org/C2780688418","wikidata":"https://www.wikidata.org/wiki/Q422933","display_name":"Elitism","level":3,"score":0.9534788131713867},{"id":"https://openalex.org/C91852762","wikidata":"https://www.wikidata.org/wiki/Q3307742","display_name":"Fitness landscape","level":3,"score":0.7263766527175903},{"id":"https://openalex.org/C176066374","wikidata":"https://www.wikidata.org/wiki/Q629118","display_name":"Fitness function","level":3,"score":0.6825181245803833},{"id":"https://openalex.org/C2780695682","wikidata":"https://www.wikidata.org/wiki/Q4005959","display_name":"Jump","level":2,"score":0.6171900033950806},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5621833205223083},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.5411938428878784},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4905954897403717},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.4891710579395294},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.40174052119255066},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35670900344848633},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3120247721672058},{"id":"https://openalex.org/C8880873","wikidata":"https://www.wikidata.org/wiki/Q187787","display_name":"Genetic algorithm","level":2,"score":0.1935918629169464},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.1677461564540863},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.115651935338974},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/2908812.2908909","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2908812.2908909","pdf_url":"http://dl.acm.org/ft_gateway.cfm?id=2908909&type=pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Genetic and Evolutionary Computation Conference 2016","raw_type":"proceedings-article"},{"id":"pmh:oai:eprints.whiterose.ac.uk:100054","is_oa":false,"landing_page_url":"https://eprints.whiterose.ac.uk/100054/8/p1163-oliveto.pdf","pdf_url":"https://eprints.whiterose.ac.uk/100054/8/p1163-oliveto.pdf","source":{"id":"https://openalex.org/S4306400854","display_name":"White Rose Research Online (University of Leeds, The University of Sheffield, University of York)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2800616092","host_organization_name":"White Rose University Consortium","host_organization_lineage":["https://openalex.org/I2800616092"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Proceedings Paper"},{"id":"pmh:oai::650","is_oa":false,"landing_page_url":"https://repository.ist.ac.at/650/1/p1163-oliveto.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306402235","display_name":"IST PubRep (Institute of Science and Technology Austria)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I157556583","host_organization_name":"Institute of Science and Technology Austria","host_organization_lineage":["https://openalex.org/I157556583"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference or Workshop Item"}],"best_oa_location":{"id":"doi:10.1145/2908812.2908909","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2908812.2908909","pdf_url":"http://dl.acm.org/ft_gateway.cfm?id=2908909&type=pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Genetic and Evolutionary Computation Conference 2016","raw_type":"proceedings-article"},"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.7599999904632568,"id":"https://metadata.un.org/sdg/11"}],"awards":[{"id":"https://openalex.org/G2972198855","display_name":"Rigorous Runtime Analysis of Bio-Inspired Computing","funder_award_id":"EP/M004252/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G3207356259","display_name":null,"funder_award_id":"2007\u20132013","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G393177772","display_name":null,"funder_award_id":"FP7 2007-2013","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G4499005573","display_name":null,"funder_award_id":"618091 SAGE","funder_id":"https://openalex.org/F4320334960","funder_display_name":"Seventh Framework Programme"},{"id":"https://openalex.org/G5194412262","display_name":"Speed of Adaptation in Population Genetics and Evolutionary Computation","funder_award_id":"618091","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G5702163051","display_name":null,"funder_award_id":"FP7/2007","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G8501742012","display_name":null,"funder_award_id":"EP/M004252/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"},{"id":"https://openalex.org/F4320334960","display_name":"Seventh Framework Programme","ror":"https://ror.org/00k4n6c32"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2484365019.pdf","grobid_xml":"https://content.openalex.org/works/W2484365019.grobid-xml"},"referenced_works_count":15,"referenced_works":["https://openalex.org/W1524657756","https://openalex.org/W1930635754","https://openalex.org/W1964170829","https://openalex.org/W1972810918","https://openalex.org/W1980841486","https://openalex.org/W2084149434","https://openalex.org/W2121654446","https://openalex.org/W2122598143","https://openalex.org/W2128292906","https://openalex.org/W2146239736","https://openalex.org/W2165220807","https://openalex.org/W2751862591","https://openalex.org/W4301441647","https://openalex.org/W6631258426","https://openalex.org/W7038906009"],"related_works":["https://openalex.org/W2036107212","https://openalex.org/W2159937791","https://openalex.org/W2164084664","https://openalex.org/W1634842376","https://openalex.org/W4250294025","https://openalex.org/W1970185413","https://openalex.org/W2138958036","https://openalex.org/W192154461","https://openalex.org/W1966735857","https://openalex.org/W1562117546"],"abstract_inverted_index":{"Crossing":[0],"fitness":[1,22,78],"valleys":[2],"is":[3],"one":[4],"of":[5,20,34,76],"the":[6,18,21,32,47,60,64,71,86,91],"major":[7],"obstacles":[8],"to":[9,68,73],"function":[10],"optimization.":[11],"In":[12],"this":[13],"paper":[14],"we":[15],"investigate":[16],"how":[17],"structure":[19],"valley,":[23],"namely":[24],"its":[25],"depth":[26],"d":[27],"and":[28,49,59],"length":[29],"l,":[30],"influence":[31],"runtime":[33,44],"different":[35],"strategies":[36],"for":[37],"crossing":[38],"these":[39],"valleys.":[40],"We":[41],"present":[42],"a":[43,74],"comparison":[45],"between":[46],"ea":[48],"two":[50],"non-elitist":[51,87],"nature-inspired":[52],"algorithms,":[53],"Strong":[54],"Selection":[55],"Weak":[56],"Mutation":[57],"(SSWM)":[58],"Metropolis":[61],"algorithm.":[62],"While":[63],"(1+1)":[65],"EA":[66],"has":[67],"jump":[69],"across":[70],"valley":[72,92],"point":[75],"higher":[77],"because":[79],"it":[80],"does":[81],"not":[82],"accept":[83],"decreasing":[84],"moves,":[85],"algorithms":[88],"may":[89],"cross":[90],"by":[93],"accepting":[94],"worsening":[95],"moves.":[96]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":3}],"updated_date":"2026-08-11T07:18:39.950985","created_date":"2025-10-10T00:00:00"}