{"id":"https://openalex.org/W4381250259","doi":"https://doi.org/10.1109/access.2023.3287640","title":"EASRec: External Attentive Efficient Sequential Recommender","display_name":"EASRec: External Attentive Efficient Sequential Recommender","publication_year":2023,"publication_date":"2023-06-19","ids":{"openalex":"https://openalex.org/W4381250259","doi":"https://doi.org/10.1109/access.2023.3287640"},"language":"en","primary_location":{"id":"doi:10.1109/access.2023.3287640","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2023.3287640","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/10155488.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/10155488.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5104440742","display_name":"Wu Qiao","orcid":null},"institutions":[{"id":"https://openalex.org/I49232843","display_name":"Changchun University","ror":"https://ror.org/02an57k10","country_code":"CN","type":"education","lineage":["https://openalex.org/I49232843"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wu Qiao","raw_affiliation_strings":["College of Artificial Intelligence Industry, Changchun University of Architecture and Civil Engineering, Changchun, Jilin, China","Changchun University of Architecture and Civil Engineering, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Artificial Intelligence Industry, Changchun University of Architecture and Civil Engineering, Changchun, Jilin, China","institution_ids":["https://openalex.org/I49232843"]},{"raw_affiliation_string":"Changchun University of Architecture and Civil Engineering, China","institution_ids":["https://openalex.org/I49232843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054078288","display_name":"Xingliang Zhang","orcid":"https://orcid.org/0000-0003-1103-2799"},"institutions":[{"id":"https://openalex.org/I180662265","display_name":"China Mobile (China)","ror":"https://ror.org/05gftfe97","country_code":"CN","type":"company","lineage":["https://openalex.org/I180662265"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xingliang Zhang","raw_affiliation_strings":["China Mobile Group Jilin Company Ltd., Changchun, Jilin, China","China Mobile Group Jilin Co., Ltd, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Mobile Group Jilin Company Ltd., Changchun, Jilin, China","institution_ids":["https://openalex.org/I180662265"]},{"raw_affiliation_string":"China Mobile Group Jilin Co., Ltd, China","institution_ids":["https://openalex.org/I180662265"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056838798","display_name":"Chao Wu","orcid":"https://orcid.org/0000-0003-0885-6869"},"institutions":[{"id":"https://openalex.org/I180662265","display_name":"China Mobile (China)","ror":"https://ror.org/05gftfe97","country_code":"CN","type":"company","lineage":["https://openalex.org/I180662265"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chao Wu","raw_affiliation_strings":["China Mobile Communications Group Company Ltd., Beijing, China","China Mobile Group Co., Ltd, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Mobile Communications Group Company Ltd., Beijing, China","institution_ids":["https://openalex.org/I180662265"]},{"raw_affiliation_string":"China Mobile Group Co., Ltd, China","institution_ids":["https://openalex.org/I180662265"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028310649","display_name":"Bing Jia","orcid":"https://orcid.org/0000-0003-3294-6303"},"institutions":[{"id":"https://openalex.org/I2722730","display_name":"Inner Mongolia University","ror":"https://ror.org/0106qb496","country_code":"CN","type":"education","lineage":["https://openalex.org/I2722730"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bing Jia","raw_affiliation_strings":["College of Computer Science, Inner Mongolia University, Hohhot, China","Inner Mongolia University, China"],"raw_orcid":"https://orcid.org/0000-0003-3294-6303","affiliations":[{"raw_affiliation_string":"College of Computer Science, Inner Mongolia University, Hohhot, China","institution_ids":["https://openalex.org/I2722730"]},{"raw_affiliation_string":"Inner Mongolia University, China","institution_ids":["https://openalex.org/I2722730"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022144626","display_name":"Funing Yang","orcid":"https://orcid.org/0000-0002-5286-9491"},"institutions":[{"id":"https://openalex.org/I194450716","display_name":"Jilin University","ror":"https://ror.org/00js3aw79","country_code":"CN","type":"education","lineage":["https://openalex.org/I194450716"]},{"id":"https://openalex.org/I4210134929","display_name":"Jilin Province Science and Technology Department","ror":"https://ror.org/049x38272","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210134929"]},{"id":"https://openalex.org/I4210136497","display_name":"Jilin Medical University","ror":"https://ror.org/03mzw7781","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210136497"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Funing Yang","raw_affiliation_strings":["College of Computer Science and Technology, Jilin University, Changchun, Jilin, China","Jilin University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Jilin University, Changchun, Jilin, China","institution_ids":["https://openalex.org/I194450716","https://openalex.org/I4210134929"]},{"raw_affiliation_string":"Jilin University, China","institution_ids":["https://openalex.org/I194450716","https://openalex.org/I4210136497"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.10720152,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"12","issue":null,"first_page":"180738","last_page":"180746"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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/T11273","display_name":"Advanced Graph Neural Networks","score":0.9840999841690063,"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/T10664","display_name":"Sentiment Analysis and Opinion Mining","score":0.9790999889373779,"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":0.8413510322570801},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.5617516040802002},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5491825938224792},{"id":"https://openalex.org/keywords/normalization","display_name":"Normalization (sociology)","score":0.5146694779396057},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.5011823177337646},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.4998924732208252},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.483024924993515},{"id":"https://openalex.org/keywords/preference","display_name":"Preference","score":0.47122159600257874},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4426969587802887},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.38126975297927856},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3167080879211426},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09236174821853638}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8413510322570801},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.5617516040802002},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5491825938224792},{"id":"https://openalex.org/C136886441","wikidata":"https://www.wikidata.org/wiki/Q926129","display_name":"Normalization (sociology)","level":2,"score":0.5146694779396057},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.5011823177337646},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.4998924732208252},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.483024924993515},{"id":"https://openalex.org/C2781249084","wikidata":"https://www.wikidata.org/wiki/Q908656","display_name":"Preference","level":2,"score":0.47122159600257874},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4426969587802887},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.38126975297927856},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3167080879211426},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09236174821853638},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C19165224","wikidata":"https://www.wikidata.org/wiki/Q23404","display_name":"Anthropology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2023.3287640","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2023.3287640","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/10155488.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:1a8f339524f64981bf480691bc3eb547","is_oa":true,"landing_page_url":"https://doaj.org/article/1a8f339524f64981bf480691bc3eb547","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 12, Pp 180738-180746 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2023.3287640","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2023.3287640","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/10155488.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320336306","display_name":"Engineering Research Center of Nano-Geomaterials, Ministry of Education","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4381250259.pdf","grobid_xml":"https://content.openalex.org/works/W4381250259.grobid-xml"},"referenced_works_count":27,"referenced_works":["https://openalex.org/W2119384858","https://openalex.org/W2171279286","https://openalex.org/W2194775991","https://openalex.org/W2470673105","https://openalex.org/W2783272285","https://openalex.org/W2899663614","https://openalex.org/W2937556626","https://openalex.org/W2963367478","https://openalex.org/W2984100107","https://openalex.org/W2990221466","https://openalex.org/W2996931760","https://openalex.org/W3093261329","https://openalex.org/W3103248659","https://openalex.org/W3105472188","https://openalex.org/W3111535274","https://openalex.org/W3128267727","https://openalex.org/W3153465022","https://openalex.org/W3177031501","https://openalex.org/W4299286960","https://openalex.org/W4302275239","https://openalex.org/W4385245566","https://openalex.org/W4394666973","https://openalex.org/W6677852491","https://openalex.org/W6680830989","https://openalex.org/W6692935382","https://openalex.org/W6739901393","https://openalex.org/W6755977528"],"related_works":["https://openalex.org/W4386781444","https://openalex.org/W3092950680","https://openalex.org/W2150182025","https://openalex.org/W4246980185","https://openalex.org/W4317039510","https://openalex.org/W3197542405","https://openalex.org/W2418190244","https://openalex.org/W4238861846","https://openalex.org/W3125580266","https://openalex.org/W1657011257"],"abstract_inverted_index":{"Sequential":[0],"recommendation":[1],"task":[2],"aims":[3],"at":[4],"modeling":[5],"users\u2019":[6],"preference":[7],"according":[8],"to":[9,39,66,85,111,168,182],"the":[10,25,30,35,41,50,57,80,92,106,118,128,135,142,154,184,187],"sequential":[11,61,75,93],"dependencies":[12],"contained":[13],"in":[14,141],"their":[15],"historical":[16],"interacted":[17],"item":[18],"sequences.":[19,70],"The":[20],"advanced":[21],"self-attention":[22,143],"mechanism,":[23],"reallocating":[24],"input":[26],"sequence":[27,58],"features,":[28],"reducing":[29,105],"inductive":[31],"bias,":[32],"and":[33,153],"refining":[34],"output":[36],"representations,":[37],"tends":[38],"become":[40],"go-to":[42],"underlying":[43],"method":[44],"for":[45],"this":[46],"task.":[47],"However,":[48],"since":[49,117],"computational":[51,107,174],"complexity":[52,108],"is":[53,139],"quadratic":[54,110],"correlated":[55],"with":[56,68,100,172],"length,":[59],"self-attention-based":[60],"recommenders":[62],"might":[63],"be":[64],"inflexible":[65],"deal":[67],"long":[69],"We":[71,145,176],"propose":[72],"an":[73,179],"efficient":[74],"recommender":[76],"EASRec":[77,90,124,160],"based":[78],"on":[79,149,165],"multi-head":[81,188],"external":[82],"attention":[83,189],"mechanism":[84],"avoid":[86],"such":[87],"issue.":[88],"Specifically,":[89],"mines":[91],"dependency":[94],"via":[95],"two":[96],"learnable":[97],"memories":[98,119],"coupled":[99],"a":[101,114],"double":[102],"normalization":[103],"strategy,":[104],"from":[109],"linear.":[112],"Take":[113],"step":[115],"further,":[116],"are":[120],"global":[121],"sharing,":[122],"our":[123,159],"can":[125,161],"implicitly":[126],"model":[127],"potential":[129],"correlations":[130],"among":[131],"all":[132],"sequences,":[133],"i.e.,":[134],"common":[136],"preference,":[137],"which":[138],"lack":[140],"mechanism.":[144,190],"conduct":[146,178],"numerous":[147],"experiments":[148],"three":[150],"public":[151],"datasets,":[152],"experimental":[155],"results":[156],"show":[157],"that":[158],"provide":[162],"3.63%":[163],"improvement":[164],"average":[166],"compared":[167],"several":[169],"state-of-the-art":[170],"baselines":[171],"minimal":[173],"cost.":[175],"also":[177],"ablation":[180],"study":[181],"verify":[183],"effectiveness":[185],"of":[186]},"counts_by_year":[],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
