{"id":"https://openalex.org/W2172224046","doi":"https://doi.org/10.1109/cig.2011.6031991","title":"Neuroevolutionary constrained optimization for content creation","display_name":"Neuroevolutionary constrained optimization for content creation","publication_year":2011,"publication_date":"2011-08-01","ids":{"openalex":"https://openalex.org/W2172224046","doi":"https://doi.org/10.1109/cig.2011.6031991","mag":"2172224046"},"language":"en","primary_location":{"id":"doi:10.1109/cig.2011.6031991","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cig.2011.6031991","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Conference on Computational Intelligence and Games (CIG'11)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.um.edu.mt/library/oar//handle/123456789/29487","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5012075090","display_name":"Antonios Liapis","orcid":"https://orcid.org/0000-0001-5554-1961"},"institutions":[{"id":"https://openalex.org/I83467386","display_name":"IT University of Copenhagen","ror":"https://ror.org/02309jg23","country_code":"DK","type":"education","lineage":["https://openalex.org/I83467386"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Antonios Liapis","raw_affiliation_strings":["Center for Computer Games Research, IT University of Copenhagen, Copenhagen S, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Computer Games Research, IT University of Copenhagen, Copenhagen S, Denmark","institution_ids":["https://openalex.org/I83467386"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072029181","display_name":"Georgios N. Yannakakis","orcid":"https://orcid.org/0000-0001-7793-1450"},"institutions":[{"id":"https://openalex.org/I83467386","display_name":"IT University of Copenhagen","ror":"https://ror.org/02309jg23","country_code":"DK","type":"education","lineage":["https://openalex.org/I83467386"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Georgios N. Yannakakis","raw_affiliation_strings":["Center for Computer Games Research, IT University of Copenhagen, Copenhagen S, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Computer Games Research, IT University of Copenhagen, Copenhagen S, Denmark","institution_ids":["https://openalex.org/I83467386"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077267552","display_name":"Julian Togelius","orcid":"https://orcid.org/0000-0003-3128-4598"},"institutions":[{"id":"https://openalex.org/I83467386","display_name":"IT University of Copenhagen","ror":"https://ror.org/02309jg23","country_code":"DK","type":"education","lineage":["https://openalex.org/I83467386"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Julian Togelius","raw_affiliation_strings":["Center for Computer Games Research, IT University of Copenhagen, Copenhagen S, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Computer Games Research, IT University of Copenhagen, Copenhagen S, Denmark","institution_ids":["https://openalex.org/I83467386"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I83467386"],"apc_list":null,"apc_paid":null,"fwci":4.3164,"has_fulltext":false,"cited_by_count":24,"citation_normalized_percentile":{"value":0.95558708,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"6024","issue":null,"first_page":"71","last_page":"78"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11574","display_name":"Artificial Intelligence in Games","score":0.9994000196456909,"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/T11574","display_name":"Artificial Intelligence in Games","score":0.9994000196456909,"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/T11439","display_name":"Video Analysis and Summarization","score":0.979200005531311,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T11975","display_name":"Evolutionary Algorithms and Applications","score":0.9718000292778015,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5974500775337219},{"id":"https://openalex.org/keywords/content","display_name":"Content (measure theory)","score":0.5219401717185974},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.32971328496932983},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.15148776769638062}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5974500775337219},{"id":"https://openalex.org/C2778152352","wikidata":"https://www.wikidata.org/wiki/Q5165061","display_name":"Content (measure theory)","level":2,"score":0.5219401717185974},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.32971328496932983},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15148776769638062},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/cig.2011.6031991","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cig.2011.6031991","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Conference on Computational Intelligence and Games (CIG'11)","raw_type":"proceedings-article"},{"id":"pmh:oai:www.um.edu.mt:123456789/29487","is_oa":true,"landing_page_url":"https://www.um.edu.mt/library/oar//handle/123456789/29487","pdf_url":null,"source":{"id":"https://openalex.org/S4306400782","display_name":"OAR@UM (University of Malta)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I197854408","host_organization_name":"University of Malta","host_organization_lineage":["https://openalex.org/I197854408"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.221.24","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.221.24","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://julian.togelius.com/Liapis2011Neuroevolutionary.pdf","raw_type":"text"},{"id":"pmh:oai:pure.atira.dk:publications/1fe3f10a-fca7-4564-9bd0-c8bb746a42de","is_oa":false,"landing_page_url":"https://pure.itu.dk/portal/da/publications/1fe3f10a-fca7-4564-9bd0-c8bb746a42de","pdf_url":null,"source":{"id":"https://openalex.org/S4377196680","display_name":"IT University Of Copenhagen (IT University of Copenhagen)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I83467386","host_organization_name":"IT University of Copenhagen","host_organization_lineage":["https://openalex.org/I83467386"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Liapis, A, Yannakakis, G N & Togelius, J 2011, Neuroevolutionary Constrained Optimization for Content Creation. in Computational Intelligence and Games (CIG). IEEE Conference on. IEEE, pp. 71-78. < http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6031991 >","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":{"id":"pmh:oai:www.um.edu.mt:123456789/29487","is_oa":true,"landing_page_url":"https://www.um.edu.mt/library/oar//handle/123456789/29487","pdf_url":null,"source":{"id":"https://openalex.org/S4306400782","display_name":"OAR@UM (University of Malta)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I197854408","host_organization_name":"University of Malta","host_organization_lineage":["https://openalex.org/I197854408"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.4300000071525574}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W124424457","https://openalex.org/W1502579426","https://openalex.org/W1605527696","https://openalex.org/W1760293109","https://openalex.org/W2001466640","https://openalex.org/W2023532087","https://openalex.org/W2100170872","https://openalex.org/W2102015193","https://openalex.org/W2111935653","https://openalex.org/W2113410615","https://openalex.org/W2141104189","https://openalex.org/W2144230296","https://openalex.org/W2144247065","https://openalex.org/W2160237541","https://openalex.org/W2170567160","https://openalex.org/W2903186160","https://openalex.org/W6605027983","https://openalex.org/W6636368752","https://openalex.org/W6637793819","https://openalex.org/W6756314358"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,61,69,96,103,109],"constraint-based":[4,97],"procedural":[5],"content":[6],"generation":[7],"(PCG)":[8],"framework":[9,26],"used":[10],"for":[11,27,65],"the":[12,22,25,28,55,58,66,90,117],"creation":[13,29],"of":[14,24,30,47,63,105,111],"novel":[15],"and":[16,35,41,44,50,113,125,128],"high-performing":[17],"content.":[18],"Specifically,":[19],"we":[20],"examine":[21],"efficiency":[23],"spaceship":[31,36,67],"design":[32,92],"(hull":[33],"shape":[34],"attributes":[37],"such":[38],"as":[39],"weapon":[40],"thruster":[42],"types":[43],"topologies)":[45],"independently":[46],"game":[48],"physics":[49],"steering":[51],"strategies.":[52],"According":[53],"to":[54,73],"proposed":[56],"framework,":[57],"designer":[59],"picks":[60],"set":[62,110],"requirements":[64],"that":[68,116],"constrained":[70],"optimizer":[71],"attempts":[72],"satisfy.":[74],"The":[75],"constraint":[76],"satisfaction":[77],"approach":[78],"followed":[79],"is":[80],"based":[81],"on":[82],"neuroevolution;":[83],"Compositional":[84],"Pattern-Producing":[85],"Networks":[86],"(CPPNs)":[87],"which":[88],"represent":[89],"spaceship's":[91],"are":[93,129],"trained":[94],"via":[95],"evolutionary":[98,106],"algorithm.":[99],"Results":[100],"obtained":[101],"in":[102,122],"number":[104],"runs":[107],"using":[108],"constraints":[112],"objectives":[114],"show":[115],"generated":[118],"spaceships":[119],"perform":[120],"well":[121],"movement,":[123],"combat":[124],"survival":[126],"tasks":[127],"also":[130],"visually":[131],"appealing.":[132]},"counts_by_year":[{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":4},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":6}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
