{"id":"https://openalex.org/W7134949410","doi":"https://doi.org/10.1109/sccc67219.2025.11420378","title":"Comparative Analysis of Evolutionary Operators in NSGA-II for Beam Angle Selection in Intensity Modulated Radiotherapy","display_name":"Comparative Analysis of Evolutionary Operators in NSGA-II for Beam Angle Selection in Intensity Modulated Radiotherapy","publication_year":2025,"publication_date":"2025-10-01","ids":{"openalex":"https://openalex.org/W7134949410","doi":"https://doi.org/10.1109/sccc67219.2025.11420378"},"language":null,"primary_location":{"id":"doi:10.1109/sccc67219.2025.11420378","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sccc67219.2025.11420378","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 44th International Conference of the Chilean Computer Science Society (SCCC)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5119724407","display_name":"Nicolle Ojeda-Ortega","orcid":null},"institutions":[{"id":"https://openalex.org/I130474213","display_name":"Pontificia Universidad Cat\u00f3lica de Valpara\u00edso","ror":"https://ror.org/02cafbr77","country_code":"CL","type":"education","lineage":["https://openalex.org/I130474213"]}],"countries":["CL"],"is_corresponding":false,"raw_author_name":"Nicolle Ojeda-Ortega","raw_affiliation_strings":["Pontificia Universidad Cat\u00f3lica de Valpara\u00edso"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Pontificia Universidad Cat\u00f3lica de Valpara\u00edso","institution_ids":["https://openalex.org/I130474213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065934297","display_name":"Mauricio Moyano","orcid":"https://orcid.org/0000-0003-0342-8267"},"institutions":[{"id":"https://openalex.org/I2802166871","display_name":"Universidad Cat\u00f3lica del Norte","ror":"https://ror.org/02akpm128","country_code":"CL","type":"education","lineage":["https://openalex.org/I2802166871"]}],"countries":["CL"],"is_corresponding":false,"raw_author_name":"Mauricio Moyano","raw_affiliation_strings":["Universidad Cat\u00f3lica del Norte"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universidad Cat\u00f3lica del Norte","institution_ids":["https://openalex.org/I2802166871"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128717086","display_name":"Carlos Hern\u00e1ndez","orcid":null},"institutions":[{"id":"https://openalex.org/I8961855","display_name":"Universidad Nacional Aut\u00f3noma de M\u00e9xico","ror":"https://ror.org/01tmp8f25","country_code":"MX","type":"education","lineage":["https://openalex.org/I8961855"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Carlos Hern\u00e1ndez","raw_affiliation_strings":["Universidad Nacional Aut\u00f3noma de M\u00e9xico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universidad Nacional Aut\u00f3noma de M\u00e9xico","institution_ids":["https://openalex.org/I8961855"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043126136","display_name":"Sandra Gonz\u00e1lez-Gallardo","orcid":"https://orcid.org/0000-0003-2511-5616"},"institutions":[{"id":"https://openalex.org/I82767444","display_name":"Universidad de M\u00e1laga","ror":"https://ror.org/036b2ww28","country_code":"ES","type":"education","lineage":["https://openalex.org/I82767444"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Sandra Gonz\u00e1lez-Gallardo","raw_affiliation_strings":["Universidad de M\u00e1laga"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universidad de M\u00e1laga","institution_ids":["https://openalex.org/I82767444"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103801814","display_name":"Guillermo G. Cabrera-Guerrero","orcid":null},"institutions":[{"id":"https://openalex.org/I130474213","display_name":"Pontificia Universidad Cat\u00f3lica de Valpara\u00edso","ror":"https://ror.org/02cafbr77","country_code":"CL","type":"education","lineage":["https://openalex.org/I130474213"]}],"countries":["CL"],"is_corresponding":false,"raw_author_name":"Guillermo Cabrera-Guerrero","raw_affiliation_strings":["Pontificia Universidad Cat\u00f3lica de Valpara\u00edso"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Pontificia Universidad Cat\u00f3lica de Valpara\u00edso","institution_ids":["https://openalex.org/I130474213"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.84665227,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10358","display_name":"Advanced Radiotherapy Techniques","score":0.9799000024795532,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10358","display_name":"Advanced Radiotherapy Techniques","score":0.9799000024795532,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11359","display_name":"Effects of Radiation Exposure","score":0.006200000178068876,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13123","display_name":"Advances in Oncology and Radiotherapy","score":0.002199999988079071,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/crossover","display_name":"Crossover","score":0.942300021648407},{"id":"https://openalex.org/keywords/operator","display_name":"Operator (biology)","score":0.5741999745368958},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.5637999773025513},{"id":"https://openalex.org/keywords/evolutionary-algorithm","display_name":"Evolutionary algorithm","score":0.5544000267982483},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.492900013923645},{"id":"https://openalex.org/keywords/binary-number","display_name":"Binary number","score":0.46369999647140503},{"id":"https://openalex.org/keywords/genetic-algorithm","display_name":"Genetic algorithm","score":0.44679999351501465},{"id":"https://openalex.org/keywords/beam","display_name":"Beam (structure)","score":0.446399986743927}],"concepts":[{"id":"https://openalex.org/C122507166","wikidata":"https://www.wikidata.org/wiki/Q628906","display_name":"Crossover","level":2,"score":0.942300021648407},{"id":"https://openalex.org/C17020691","wikidata":"https://www.wikidata.org/wiki/Q139677","display_name":"Operator (biology)","level":5,"score":0.5741999745368958},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.5637999773025513},{"id":"https://openalex.org/C159149176","wikidata":"https://www.wikidata.org/wiki/Q14489129","display_name":"Evolutionary algorithm","level":2,"score":0.5544000267982483},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.507099986076355},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5012999773025513},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.492900013923645},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.46369999647140503},{"id":"https://openalex.org/C8880873","wikidata":"https://www.wikidata.org/wiki/Q187787","display_name":"Genetic algorithm","level":2,"score":0.44679999351501465},{"id":"https://openalex.org/C168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","level":2,"score":0.446399986743927},{"id":"https://openalex.org/C501734568","wikidata":"https://www.wikidata.org/wiki/Q42918","display_name":"Mutation","level":3,"score":0.446399986743927},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.43299999833106995},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4099000096321106},{"id":"https://openalex.org/C68781425","wikidata":"https://www.wikidata.org/wiki/Q2052203","display_name":"Multi-objective optimization","level":2,"score":0.3571000099182129},{"id":"https://openalex.org/C137635306","wikidata":"https://www.wikidata.org/wiki/Q182667","display_name":"Pareto principle","level":2,"score":0.35040000081062317},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.335099995136261},{"id":"https://openalex.org/C105902424","wikidata":"https://www.wikidata.org/wiki/Q1197129","display_name":"Evolutionary computation","level":2,"score":0.3043000102043152},{"id":"https://openalex.org/C9899798","wikidata":"https://www.wikidata.org/wiki/Q629399","display_name":"Genetic operator","level":4,"score":0.29829999804496765},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.2809000015258789},{"id":"https://openalex.org/C57869625","wikidata":"https://www.wikidata.org/wiki/Q1783502","display_name":"Rate of convergence","level":3,"score":0.26100000739097595},{"id":"https://openalex.org/C207002847","wikidata":"https://www.wikidata.org/wiki/Q2912857","display_name":"Evolution strategy","level":3,"score":0.257099986076355}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/sccc67219.2025.11420378","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sccc67219.2025.11420378","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 44th International Conference of the Chilean Computer Science Society (SCCC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Beam":[0],"angle":[1,79],"optimisation":[2,80],"in":[3,26,31,41,56,140],"intensity-modulated":[4],"radiotherapy":[5],"is":[6],"inherently":[7],"multi-objective,":[8],"requiring":[9],"a":[10],"balance":[11],"between":[12],"target":[13],"coverage":[14],"and":[15,52,99,110,123,134,144],"the":[16,27,45,62,76,121,126,130,137,149,159],"sparing":[17],"of":[18,44,64,125,142,151],"organs":[19],"at":[20],"risk.":[21],"Although":[22],"evolutionary":[23,72,156],"approaches":[24],"exist":[25],"literature,":[28],"their":[29,54],"application":[30],"multi-objective":[32,57,71,77,160],"contexts":[33],"remains":[34],"limited.":[35],"Genetic":[36],"algorithms":[37,157],"have":[38],"proved":[39],"effective":[40],"single-objective":[42],"variants":[43],"problem,":[46],"making":[47],"it":[48],"relevant":[49],"to":[50,74,158],"extend":[51],"analyse":[53],"components":[55],"settings.":[58],"This":[59],"work":[60],"examinates":[61],"impact":[63],"different":[65],"genetic":[66],"operators":[67],"within":[68],"an":[69],"NSGA-II-based":[70],"algorithm":[73],"solve":[75],"beam":[78],"problem.":[81,162],"Specifically,":[82],"we":[83],"evaluate":[84],"four":[85],"crossover":[86],"operators;":[87],"Simulated":[88],"Binary":[89],"Crossover":[90,93,97,101],"(SBX),Partially":[91],"Matched":[92],"(PMX),":[94],"Random":[95],"Union":[96],"(RUX),":[98],"One-Point":[100],"(OX1);":[102],"combined":[103],"with":[104],"two":[105],"mutation":[106],"strategies:":[107],"random":[108],"replacement":[109],"add/subtract":[111],"mutation.":[112],"Experimental":[113],"results":[114],"show":[115],"that":[116],"operator":[117,152],"choice":[118],"significantly":[119],"affects":[120],"convergence":[122],"diversity":[124],"Pareto":[127],"front.":[128],"Among":[129],"combinations":[131],"analysed,":[132],"RUX-A/S":[133],"RUX-R":[135],"achieve":[136],"best":[138],"performance":[139],"terms":[141],"hypervolume":[143],"IGD.":[145],"These":[146],"findings":[147],"underscore":[148],"importance":[150],"design":[153],"when":[154],"adapting":[155],"BAO":[161]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2026-03-12T00:00:00"}
