{"id":"https://openalex.org/W4412377797","doi":"https://doi.org/10.1145/3726302.3730206","title":"HeterRec: Heterogeneous Information Transformer for Scalable Sequential Recommendation","display_name":"HeterRec: Heterogeneous Information Transformer for Scalable Sequential Recommendation","publication_year":2025,"publication_date":"2025-07-13","ids":{"openalex":"https://openalex.org/W4412377797","doi":"https://doi.org/10.1145/3726302.3730206"},"language":"en","primary_location":{"id":"doi:10.1145/3726302.3730206","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3726302.3730206","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval","raw_type":"proceedings-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2503.01469","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101891434","display_name":"Hao Deng","orcid":null},"institutions":[{"id":"https://openalex.org/I45928872","display_name":"Alibaba Group (China)","ror":"https://ror.org/00k642b80","country_code":"CN","type":"company","lineage":["https://openalex.org/I45928872"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hao Deng","raw_affiliation_strings":["Alibaba International Digital Commerce Group, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Alibaba International Digital Commerce Group, Beijing, China","institution_ids":["https://openalex.org/I45928872"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089731819","display_name":"Haibo Xing","orcid":null},"institutions":[{"id":"https://openalex.org/I45928872","display_name":"Alibaba Group (China)","ror":"https://ror.org/00k642b80","country_code":"CN","type":"company","lineage":["https://openalex.org/I45928872"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haibo Xing","raw_affiliation_strings":["Alibaba International Digital Commerce Group, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Alibaba International Digital Commerce Group, Hangzhou, China","institution_ids":["https://openalex.org/I45928872"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065602689","display_name":"Kanefumi Matsuyama","orcid":null},"institutions":[{"id":"https://openalex.org/I45928872","display_name":"Alibaba Group (China)","ror":"https://ror.org/00k642b80","country_code":"CN","type":"company","lineage":["https://openalex.org/I45928872"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kanefumi Matsuyama","raw_affiliation_strings":["Alibaba International Digital Commerce Group, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Alibaba International Digital Commerce Group, Hangzhou, China","institution_ids":["https://openalex.org/I45928872"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103852670","display_name":"Yulei Huang","orcid":null},"institutions":[{"id":"https://openalex.org/I45928872","display_name":"Alibaba Group (China)","ror":"https://ror.org/00k642b80","country_code":"CN","type":"company","lineage":["https://openalex.org/I45928872"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yulei Huang","raw_affiliation_strings":["Alibaba International Digital Commerce Group, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Alibaba International Digital Commerce Group, Hangzhou, China","institution_ids":["https://openalex.org/I45928872"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032933252","display_name":"Jinxin Hu","orcid":"https://orcid.org/0000-0002-7252-5207"},"institutions":[{"id":"https://openalex.org/I45928872","display_name":"Alibaba Group (China)","ror":"https://ror.org/00k642b80","country_code":"CN","type":"company","lineage":["https://openalex.org/I45928872"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinxin Hu","raw_affiliation_strings":["Alibaba International Digital Commerce Group, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Alibaba International Digital Commerce Group, Beijing, China","institution_ids":["https://openalex.org/I45928872"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103059357","display_name":"Hong Wen","orcid":"https://orcid.org/0000-0001-6529-0692"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hong Wen","raw_affiliation_strings":["Unaffiliated, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Unaffiliated, Hangzhou, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042055991","display_name":"Jia Xu","orcid":"https://orcid.org/0000-0003-4061-8262"},"institutions":[{"id":"https://openalex.org/I37987034","display_name":"Guangzhou University","ror":"https://ror.org/05ar8rn06","country_code":"CN","type":"education","lineage":["https://openalex.org/I37987034"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jia Xu","raw_affiliation_strings":["Cyberspace Institute of Advanced Technology, Guangzhou University, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"Cyberspace Institute of Advanced Technology, Guangzhou University, Guangzhou, China","institution_ids":["https://openalex.org/I37987034"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025049073","display_name":"Zulong Chen","orcid":"https://orcid.org/0000-0003-0807-6889"},"institutions":[{"id":"https://openalex.org/I45928872","display_name":"Alibaba Group (China)","ror":"https://ror.org/00k642b80","country_code":"CN","type":"company","lineage":["https://openalex.org/I45928872"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zulong Chen","raw_affiliation_strings":["Alibaba Group, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Alibaba Group, Hangzhou, China","institution_ids":["https://openalex.org/I45928872"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103325731","display_name":"Yu Zhang","orcid":"https://orcid.org/0000-0002-8345-3835"},"institutions":[{"id":"https://openalex.org/I45928872","display_name":"Alibaba Group (China)","ror":"https://ror.org/00k642b80","country_code":"CN","type":"company","lineage":["https://openalex.org/I45928872"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Zhang","raw_affiliation_strings":["Alibaba International Digital Commerce Group, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Alibaba International Digital Commerce Group, Beijing, China","institution_ids":["https://openalex.org/I45928872"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082008486","display_name":"Xiaoyi Zeng","orcid":"https://orcid.org/0000-0002-3742-4910"},"institutions":[{"id":"https://openalex.org/I45928872","display_name":"Alibaba Group (China)","ror":"https://ror.org/00k642b80","country_code":"CN","type":"company","lineage":["https://openalex.org/I45928872"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoyi Zeng","raw_affiliation_strings":["Alibaba International Digital Commerce Group, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Alibaba International Digital Commerce Group, Hangzhou, China","institution_ids":["https://openalex.org/I45928872"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100345321","display_name":"Jing Zhang","orcid":"https://orcid.org/0000-0001-6595-7661"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jing Zhang","raw_affiliation_strings":["School of Computer Science, Wuhan University, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":11,"corresponding_author_ids":["https://openalex.org/A5101891434"],"corresponding_institution_ids":["https://openalex.org/I45928872"],"apc_list":null,"apc_paid":null,"fwci":6.7917,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.96558244,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"3020","last_page":"3024"},"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/T11478","display_name":"Caching and Content Delivery","score":0.9894000291824341,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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":0.9887999892234802,"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/computer-science","display_name":"Computer science","score":0.7566546201705933},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.6091906428337097},{"id":"https://openalex.org/keywords/transformer","display_name":"Transformer","score":0.4571123421192169},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.16973906755447388},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.07470506429672241},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07363387942314148}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7566546201705933},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.6091906428337097},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.4571123421192169},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.16973906755447388},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.07470506429672241},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07363387942314148},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3726302.3730206","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3726302.3730206","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2503.01469","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2503.01469","pdf_url":"https://arxiv.org/pdf/2503.01469","source":{"id":"https://openalex.org/S4393918464","display_name":"ArXiv.org","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2503.01469","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2503.01469","pdf_url":"https://arxiv.org/pdf/2503.01469","source":{"id":"https://openalex.org/S4393918464","display_name":"ArXiv.org","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W2963367478","https://openalex.org/W2966483207","https://openalex.org/W2971196067","https://openalex.org/W2984100107","https://openalex.org/W3036320503","https://openalex.org/W3089294269","https://openalex.org/W3098468692","https://openalex.org/W3164006073","https://openalex.org/W3171874185","https://openalex.org/W4224316432","https://openalex.org/W4224316819","https://openalex.org/W4290927925","https://openalex.org/W4297971002"],"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/W2389214306"],"abstract_inverted_index":{"Transformer-based":[0],"sequential":[1],"recommendation":[2,10],"(TSR)":[3],"models":[4],"have":[5,61],"shown":[6],"superior":[7,171],"performance":[8,136],"in":[9],"systems,":[11],"where":[12],"the":[13,43,49,141,156,167],"quality":[14],"of":[15,45],"item":[16,26,46,69,116],"representations":[17],"plays":[18],"a":[19,89,114,123],"crucial":[20],"role.":[21],"Classical":[22],"representation":[23,36,70],"methods":[24,41],"integrate":[25,64],"features":[27,67],"using":[28],"concatenation":[29],"or":[30],"neural":[31],"networks":[32],"to":[33,52,63,151],"generate":[34],"homogeneous":[35],"sequences.":[37,158],"While":[38],"straightforward,":[39],"these":[40,85,129],"overlook":[42],"heterogeneity":[44],"features,":[47,75],"limiting":[48],"transformer's":[50],"ability":[51],"capture":[53],"fine-grained":[54,153],"patterns":[55,154],"and":[56,105,127,147,162],"restricting":[57],"scalability.":[58],"Recent":[59],"studies":[60],"attempted":[62],"user-side":[65],"heterogeneous":[66,74,124,132,157],"into":[68,122,131],"sequences,":[71,133],"but":[72],"item-side":[73],"which":[76,98],"are":[77],"vital":[78],"for":[79,94],"performance,":[80],"remain":[81],"excluded.":[82],"To":[83],"address":[84],"challenges,":[86],"we":[87],"propose":[88],"Heterogeneous":[90,100],"Information":[91],"Transformer":[92,108],"model":[93,169],"Sequential":[95],"Recommendation":[96],"(HeterRec),":[97],"incorporates":[99],"Token":[101],"Flatten":[102],"Layer":[103,109],"(HTFL)":[104],"Hierarchical":[106],"Causal":[107],"(HCT).":[110],"Our":[111],"HTFL":[112],"is":[113],"novel":[115],"tokenization":[117],"method":[118],"that":[119,166],"converts":[120],"items":[121],"token":[125],"set":[126],"organizes":[128],"tokens":[130],"effectively":[134],"enhancing":[135],"gains":[137],"when":[138],"scaling":[139],"up":[140],"model.":[142],"Moreover,":[143],"HCT":[144],"introduces":[145],"token-level":[146],"item-level":[148],"causal":[149],"transformers":[150],"extract":[152],"from":[155],"Experiments":[159],"on":[160],"offline":[161],"online":[163],"datasets":[164],"show":[165],"HeterRec":[168],"achieves":[170],"performance.":[172]},"counts_by_year":[{"year":2026,"cited_by_count":2}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
