{"id":"https://openalex.org/W2725052414","doi":"https://doi.org/10.1109/cec.2017.7969435","title":"Information core optimization using Evolutionary Algorithm with Elite Population in recommender systems","display_name":"Information core optimization using Evolutionary Algorithm with Elite Population in recommender systems","publication_year":2017,"publication_date":"2017-06-01","ids":{"openalex":"https://openalex.org/W2725052414","doi":"https://doi.org/10.1109/cec.2017.7969435","mag":"2725052414"},"language":"en","primary_location":{"id":"doi:10.1109/cec.2017.7969435","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cec.2017.7969435","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE Congress on Evolutionary Computation (CEC)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"http://eprints.nottingham.ac.uk/46488/","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5000814301","display_name":"Caihong Mu","orcid":"https://orcid.org/0000-0003-4373-3661"},"institutions":[{"id":"https://openalex.org/I142263535","display_name":"University of Nottingham","ror":"https://ror.org/01ee9ar58","country_code":"GB","type":"education","lineage":["https://openalex.org/I142263535"]},{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN","GB"],"is_corresponding":false,"raw_author_name":"Caihong Mu","raw_affiliation_strings":["ASAP Research Group, University of Nottingham, Nottingham, UK","Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, Xidian University, Xi'an, Shaanxi Province, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ASAP Research Group, University of Nottingham, Nottingham, UK","institution_ids":["https://openalex.org/I142263535"]},{"raw_affiliation_string":"Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, Xidian University, Xi'an, Shaanxi Province, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5105974397","display_name":"Hui-Wen Cheng","orcid":null},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huiwen Cheng","raw_affiliation_strings":["Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, Xidian University, Xi'an, Shaanxi Province, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, Xidian University, Xi'an, Shaanxi Province, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024773714","display_name":"Wei Feng","orcid":"https://orcid.org/0009-0008-5723-535X"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Feng","raw_affiliation_strings":["Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, Xidian University, Xi'an, Shaanxi Province, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, Xidian University, Xi'an, Shaanxi Province, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100695128","display_name":"Yi Liu","orcid":"https://orcid.org/0000-0001-9993-0731"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Liu","raw_affiliation_strings":["Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, Xidian University, Xi'an, Shaanxi Province, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, Xidian University, Xi'an, Shaanxi Province, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063920690","display_name":"Rong Qu","orcid":"https://orcid.org/0000-0001-8318-7509"},"institutions":[{"id":"https://openalex.org/I142263535","display_name":"University of Nottingham","ror":"https://ror.org/01ee9ar58","country_code":"GB","type":"education","lineage":["https://openalex.org/I142263535"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Rong Qu","raw_affiliation_strings":["ASAP Research Group, University of Nottingham, Nottingham, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ASAP Research Group, University of Nottingham, Nottingham, UK","institution_ids":["https://openalex.org/I142263535"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1143","last_page":"1149"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10203","display_name":"Recommender Systems and Techniques","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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":0.987500011920929,"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/T12101","display_name":"Advanced Bandit Algorithms Research","score":0.9812999963760376,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.8324370384216309},{"id":"https://openalex.org/keywords/core","display_name":"Core (optical fiber)","score":0.7407712340354919},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6654996871948242},{"id":"https://openalex.org/keywords/elite","display_name":"Elite","score":0.6064972877502441},{"id":"https://openalex.org/keywords/evolutionary-algorithm","display_name":"Evolutionary algorithm","score":0.5051000714302063},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.4660338759422302},{"id":"https://openalex.org/keywords/evolutionary-computation","display_name":"Evolutionary computation","score":0.44531211256980896},{"id":"https://openalex.org/keywords/optimization-algorithm","display_name":"Optimization algorithm","score":0.442728728055954},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.33483409881591797},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3346092104911804},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.32973963022232056},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3107556700706482},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1615215241909027},{"id":"https://openalex.org/keywords/demography","display_name":"Demography","score":0.1347741186618805},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09031692147254944}],"concepts":[{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.8324370384216309},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.7407712340354919},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6654996871948242},{"id":"https://openalex.org/C2775987171","wikidata":"https://www.wikidata.org/wiki/Q192797","display_name":"Elite","level":3,"score":0.6064972877502441},{"id":"https://openalex.org/C159149176","wikidata":"https://www.wikidata.org/wiki/Q14489129","display_name":"Evolutionary algorithm","level":2,"score":0.5051000714302063},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.4660338759422302},{"id":"https://openalex.org/C105902424","wikidata":"https://www.wikidata.org/wiki/Q1197129","display_name":"Evolutionary computation","level":2,"score":0.44531211256980896},{"id":"https://openalex.org/C2987595161","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Optimization algorithm","level":2,"score":0.442728728055954},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.33483409881591797},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3346092104911804},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.32973963022232056},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3107556700706482},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1615215241909027},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.1347741186618805},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09031692147254944},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"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/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","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}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/cec.2017.7969435","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cec.2017.7969435","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE Congress on Evolutionary Computation (CEC)","raw_type":"proceedings-article"},{"id":"pmh:oai:eprints.nottingham.ac.uk:46488","is_oa":true,"landing_page_url":"http://eprints.nottingham.ac.uk/46488/","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference or Workshop Item"},{"id":"pmh:oai:nottingham-repository.worktribe.com:871598","is_oa":true,"landing_page_url":"https://nottingham-repository.worktribe.com/output/871598","pdf_url":null,"source":{"id":"https://openalex.org/S4306402483","display_name":"Repository@Nottingham (University of Nottingham)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I142263535","host_organization_name":"University of Nottingham","host_organization_lineage":["https://openalex.org/I142263535"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Presentation / Conference Contribution"}],"best_oa_location":{"id":"pmh:oai:eprints.nottingham.ac.uk:46488","is_oa":true,"landing_page_url":"http://eprints.nottingham.ac.uk/46488/","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference or Workshop Item"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1412447802","https://openalex.org/W1972163278","https://openalex.org/W2014714192","https://openalex.org/W2074438240","https://openalex.org/W2077098488","https://openalex.org/W2088722149","https://openalex.org/W2118240569","https://openalex.org/W2135790056","https://openalex.org/W2139555631","https://openalex.org/W2167598575","https://openalex.org/W2345222839","https://openalex.org/W2533696134","https://openalex.org/W2557362919"],"related_works":["https://openalex.org/W4297582752","https://openalex.org/W4285805405","https://openalex.org/W2391924736","https://openalex.org/W3133779647","https://openalex.org/W1560122427","https://openalex.org/W1993493607","https://openalex.org/W2021957875","https://openalex.org/W2802808995","https://openalex.org/W2787833928","https://openalex.org/W2593449396"],"abstract_inverted_index":{"Recommender":[0],"system":[1],"(RS)":[2],"plays":[3],"an":[4,122],"important":[5],"role":[6],"in":[7,16,80],"helping":[8],"users":[9,79,164],"find":[10],"the":[11,29,56,66,81,118,138,148,178,191],"information":[12,57,92,119],"they":[13],"are":[14,32,46,141],"interested":[15],"and":[17,50,165,177],"providing":[18],"accurate":[19],"personality":[20],"recommendation.":[21,70,195],"It":[22],"has":[23],"been":[24],"found":[25],"that":[26,156],"among":[27],"all":[28],"users,":[30],"there":[31],"some":[33],"user":[34],"groups":[35],"called":[36],"\u201ccore":[37],"users\u201d":[38],"or":[39],"\u201cinformation":[40],"core\u201d":[41],"whose":[42],"historical":[43],"behavior":[44],"data":[45],"more":[47],"reliable,":[48],"objective":[49],"positive":[51],"for":[52,117],"making":[53],"recommendations.":[54],"Finding":[55],"core":[58,78,93,163],"is":[59,72,94,113,134,158,186],"of":[60,68,90,150,193],"great":[61],"interests":[62],"to":[63,76,115,136,146,160,167,172,188],"greatly":[64],"increase":[65],"speed":[67],"online":[69,194],"There":[71],"no":[73],"general":[74,88],"method":[75,89],"identify":[77,162],"existing":[82,174],"literatures.":[83],"In":[84,183],"this":[85,98],"paper,":[86],"a":[87,101,126],"finding":[91],"proposed":[95,152],"by":[96],"modelling":[97],"problem":[99],"as":[100,131],"combinatorial":[102],"optimization":[103],"problem.":[104],"A":[105],"novel":[106],"Evolutionary":[107],"Algorithm":[108],"with":[109,125],"Elite":[110],"Population":[111],"(EA-EP)":[112],"presented":[114],"search":[116],"core,":[120],"where":[121],"elite":[123],"population":[124],"new":[127],"crossover":[128,133],"mechanism":[129],"named":[130],"ordered":[132],"used":[135],"accelerate":[137],"evolution.":[139],"Experiments":[140],"conducted":[142],"on":[143],"Movielens":[144],"(100k)":[145],"validate":[147],"effectiveness":[149],"our":[151],"algorithm.":[153],"Results":[154],"show":[155],"EA-EP":[157,185],"able":[159],"effectively":[161],"leads":[166],"better":[168],"recommendation":[169],"accuracy":[170],"compared":[171],"several":[173],"greedy":[175],"methods":[176],"conventional":[179],"collaborative":[180],"filter":[181],"(CF).":[182],"addition,":[184],"shown":[187],"significantly":[189],"reduce":[190],"time":[192]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}