{"id":"https://openalex.org/W4410236259","doi":"https://doi.org/10.1145/3723498.3723843","title":"Diverse Level Generation via Machine Learning of Quality Diversity","display_name":"Diverse Level Generation via Machine Learning of Quality Diversity","publication_year":2025,"publication_date":"2025-04-15","ids":{"openalex":"https://openalex.org/W4410236259","doi":"https://doi.org/10.1145/3723498.3723843"},"language":"en","primary_location":{"id":"doi:10.1145/3723498.3723843","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3723498.3723843","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3723498.3723843","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 20th International Conference on the Foundations of Digital Games","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3723498.3723843","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5034698942","display_name":"Konstantinos Sfikas","orcid":"https://orcid.org/0000-0002-4363-4922"},"institutions":[{"id":"https://openalex.org/I197854408","display_name":"University of Malta","ror":"https://ror.org/03a62bv60","country_code":"MT","type":"education","lineage":["https://openalex.org/I197854408"]}],"countries":["MT"],"is_corresponding":false,"raw_author_name":"Konstantinos Sfikas","raw_affiliation_strings":["Institute of Digital Games, University of Malta, Msida, Malta"],"raw_orcid":"https://orcid.org/0000-0002-4363-4922","affiliations":[{"raw_affiliation_string":"Institute of Digital Games, University of Malta, Msida, Malta","institution_ids":["https://openalex.org/I197854408"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012075090","display_name":"Antonios Liapis","orcid":"https://orcid.org/0000-0001-5554-1961"},"institutions":[{"id":"https://openalex.org/I197854408","display_name":"University of Malta","ror":"https://ror.org/03a62bv60","country_code":"MT","type":"education","lineage":["https://openalex.org/I197854408"]}],"countries":["MT"],"is_corresponding":false,"raw_author_name":"Antonios Liapis","raw_affiliation_strings":["Institute of Digital Games, University of Malta, Msida, Malta"],"raw_orcid":"https://orcid.org/0000-0001-5554-1961","affiliations":[{"raw_affiliation_string":"Institute of Digital Games, University of Malta, Msida, Malta","institution_ids":["https://openalex.org/I197854408"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072029181","display_name":"Georgios N. Yannakakis","orcid":"https://orcid.org/0000-0001-7793-1450"},"institutions":[{"id":"https://openalex.org/I197854408","display_name":"University of Malta","ror":"https://ror.org/03a62bv60","country_code":"MT","type":"education","lineage":["https://openalex.org/I197854408"]}],"countries":["MT"],"is_corresponding":false,"raw_author_name":"Georgios N. Yannakakis","raw_affiliation_strings":["Institute of Digital Games, University of Malta, Msida, Malta"],"raw_orcid":"https://orcid.org/0000-0001-7793-1450","affiliations":[{"raw_affiliation_string":"Institute of Digital Games, University of Malta, Msida, Malta","institution_ids":["https://openalex.org/I197854408"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I197854408"],"apc_list":null,"apc_paid":null,"fwci":0.8546,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.6752715,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"10"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11245","display_name":"Advanced Numerical Analysis Techniques","score":0.9927999973297119,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11245","display_name":"Advanced Numerical Analysis Techniques","score":0.9927999973297119,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.991100013256073,"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/T11439","display_name":"Video Analysis and Summarization","score":0.9884999990463257,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6917451024055481},{"id":"https://openalex.org/keywords/diversity","display_name":"Diversity (politics)","score":0.6705313920974731},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.5396623015403748},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4642902612686157},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.32756179571151733},{"id":"https://openalex.org/keywords/sociology","display_name":"Sociology","score":0.07344397902488708}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6917451024055481},{"id":"https://openalex.org/C2781316041","wikidata":"https://www.wikidata.org/wiki/Q1230584","display_name":"Diversity (politics)","level":2,"score":0.6705313920974731},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.5396623015403748},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4642902612686157},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.32756179571151733},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.07344397902488708},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C19165224","wikidata":"https://www.wikidata.org/wiki/Q23404","display_name":"Anthropology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3723498.3723843","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3723498.3723843","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3723498.3723843","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 20th International Conference on the Foundations of Digital Games","raw_type":"proceedings-article"},{"id":"pmh:oai:www.um.edu.mt:123456789/135766","is_oa":true,"landing_page_url":"https://www.um.edu.mt/library/oar/handle/123456789/135766","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":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"doi:10.1145/3723498.3723843","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3723498.3723843","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3723498.3723843","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 20th International Conference on the Foundations of Digital Games","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3673068963","display_name":"AI-powered Robotic Material Recovery in a Box","funder_award_id":"101070524","funder_id":"https://openalex.org/F4320338444","funder_display_name":"HORIZON EUROPE Digital, Industry and Space"},{"id":"https://openalex.org/G38401550","display_name":null,"funder_award_id":"101070524","funder_id":"https://openalex.org/F4320334322","funder_display_name":"HORIZON EUROPE Framework Programme"},{"id":"https://openalex.org/G4384526341","display_name":"AI-powered Robotic Material Recovery in a Box","funder_award_id":"101070524","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320334322","display_name":"HORIZON EUROPE Framework Programme","ror":null},{"id":"https://openalex.org/F4320338444","display_name":"HORIZON EUROPE Digital, Industry and Space","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4410236259.pdf","grobid_xml":"https://content.openalex.org/works/W4410236259.grobid-xml"},"referenced_works_count":28,"referenced_works":["https://openalex.org/W116651512","https://openalex.org/W1869362176","https://openalex.org/W2001466640","https://openalex.org/W2101456123","https://openalex.org/W2105767494","https://openalex.org/W2151083897","https://openalex.org/W2168115594","https://openalex.org/W2462548332","https://openalex.org/W2534314849","https://openalex.org/W2607489666","https://openalex.org/W2739858255","https://openalex.org/W2889754627","https://openalex.org/W2911918032","https://openalex.org/W2947246097","https://openalex.org/W2954644321","https://openalex.org/W2960352216","https://openalex.org/W2963647337","https://openalex.org/W2963690854","https://openalex.org/W2964223825","https://openalex.org/W2976102139","https://openalex.org/W2976883600","https://openalex.org/W3088141770","https://openalex.org/W3098960920","https://openalex.org/W4312853411","https://openalex.org/W4321359614","https://openalex.org/W4385188738","https://openalex.org/W4387394753","https://openalex.org/W4393121801"],"related_works":["https://openalex.org/W2961085424","https://openalex.org/W4306674287","https://openalex.org/W4387369504","https://openalex.org/W4394896187","https://openalex.org/W3170094116","https://openalex.org/W4386462264","https://openalex.org/W3107602296","https://openalex.org/W4364306694","https://openalex.org/W4312192474","https://openalex.org/W4283697347"],"abstract_inverted_index":{"Can":[0],"we":[1,43],"replicate":[2],"the":[3,34,47,57,96,104,107,126,150,156,159,163,168,186,194],"power":[4],"of":[5,36,59,76,128,162,170,173,188,196],"evolutionary":[6,39],"algorithms":[7,40],"in":[8,26,51,83,112,181,200],"discovering":[9],"good":[10],"and":[11,31,54,91,140,158,202],"diverse":[12,92,190],"game":[13,131,191],"content":[14,28],"via":[15,120],"generative":[16,66,113,203],"machine":[17],"learning":[18,33],"(ML)":[19],"techniques?This":[20],"question":[21],"could":[22],"subvert":[23],"current":[24],"trends":[25],"procedural":[27],"generation":[29],"(PCG)":[30],"beyond.By":[32],"behavior":[35,169],"quality-diversity":[37],"(QD)":[38],"through":[41],"ML,":[42],"stand":[44],"to":[45,184],"overcome":[46],"computational":[48],"challenges":[49],"inherent":[50],"QD":[52,60,87,118,175],"search":[53,61,119],"ensure":[55],"that":[56,115,149],"benefits":[58],"are":[62,146],"reproduced":[63],"by":[64,137],"efficient":[65],"models.We":[67],"introduce":[68],"a":[69,134,141,171,178],"novel,":[70],"end-to-end":[71],"methodology":[72],"named":[73],"Machine":[74],"Learning":[75],"Quality":[77],"Diversity":[78],"(MLQD)":[79],"which":[80],"is":[81,198],"executed":[82],"two":[84],"steps.First,":[85],"tailored":[86],"evolution":[88],"creates":[89],"large":[90],"training":[93,164],"datasets":[94],"from":[95],"ground":[97],"up.Second,":[98],"sophisticated":[99],"ML":[100],"architectures":[101],"such":[102],"as":[103],"Transformer":[105,151],"learn":[106],"datasets'":[108],"underlying":[109],"distributions,":[110],"resulting":[111],"models":[114],"can":[116,153],"emulate":[117],"stochastic":[121],"inference.We":[122],"test":[123],"MLQD":[124],"on":[125],"use-case":[127],"generating":[129],"strategy":[130],"map":[132],"sketches,":[133],"task":[135],"characterized":[136],"stringent":[138],"constraints":[139],"multidimensional":[142],"feature":[143],"space.Our":[144],"findings":[145],"promising,":[147],"demonstrating":[148],"architecture":[152],"capture":[154],"both":[155],"diversity":[157],"quality":[160],"traits":[161],"sets,":[165],"successfully":[166],"reproducing":[167],"range":[172],"tested":[174],"algorithms.This":[176],"marks":[177],"significant":[179],"advancement":[180],"our":[182],"quest":[183],"automate":[185],"creation":[187],"high-quality,":[189],"content,":[192],"pushing":[193],"boundaries":[195],"what":[197],"possible":[199],"PCG":[201],"AI":[204],"at":[205],"large.":[206]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-10-10T00:00:00"}
