{"id":"https://openalex.org/W4408832699","doi":"https://doi.org/10.1145/3725894","title":"Efficient and Deployable Knowledge Infusion for Open-World Recommendations via Large Language Models","display_name":"Efficient and Deployable Knowledge Infusion for Open-World Recommendations via Large Language Models","publication_year":2025,"publication_date":"2025-03-25","ids":{"openalex":"https://openalex.org/W4408832699","doi":"https://doi.org/10.1145/3725894"},"language":"en","primary_location":{"id":"doi:10.1145/3725894","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3725894","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3725894","source":{"id":"https://openalex.org/S4387284325","display_name":"ACM Transactions on Recommender Systems","issn_l":"2770-6699","issn":["2770-6699"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Recommender Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3725894","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5013513956","display_name":"Yunjia Xi","orcid":"https://orcid.org/0000-0001-6883-881X"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yunjia Xi","raw_affiliation_strings":["Shanghai Jiao Tong University,  Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0001-6883-881X","affiliations":[{"raw_affiliation_string":"Shanghai Jiao Tong University,  Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101500385","display_name":"Weiwen Liu","orcid":"https://orcid.org/0000-0002-9148-3997"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weiwen Liu","raw_affiliation_strings":["Huawei Noah's Ark Lab,  Shenzhen China"],"raw_orcid":"https://orcid.org/0000-0002-9148-3997","affiliations":[{"raw_affiliation_string":"Huawei Noah's Ark Lab,  Shenzhen China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036057873","display_name":"Jianghao Lin","orcid":"https://orcid.org/0000-0002-8953-3203"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianghao Lin","raw_affiliation_strings":["Shanghai Jiao Tong University,  Shanghai China"],"raw_orcid":"https://orcid.org/0000-0002-8953-3203","affiliations":[{"raw_affiliation_string":"Shanghai Jiao Tong University,  Shanghai China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108335618","display_name":"Muyan Weng","orcid":"https://orcid.org/0009-0005-8723-0689"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Muyan Weng","raw_affiliation_strings":["Shanghai Jiao Tong University,  Shanghai China"],"raw_orcid":"https://orcid.org/0009-0005-8723-0689","affiliations":[{"raw_affiliation_string":"Shanghai Jiao Tong University,  Shanghai China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103872008","display_name":"Xiaoling Cai","orcid":null},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoling Cai","raw_affiliation_strings":["Consumer Business Group, Huawei Technologies Co Ltd, Shenzhen, China"],"raw_orcid":"https://orcid.org/0009-0000-3366-5437","affiliations":[{"raw_affiliation_string":"Consumer Business Group, Huawei Technologies Co Ltd, Shenzhen, China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102878488","display_name":"Hong Zhu","orcid":"https://orcid.org/0000-0003-2943-7997"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hong Zhu","raw_affiliation_strings":["Consumer Business Group, Huawei Technologies Co Ltd, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0003-2943-7997","affiliations":[{"raw_affiliation_string":"Consumer Business Group, Huawei Technologies Co Ltd, Shenzhen, China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048669373","display_name":"Jieming Zhu","orcid":"https://orcid.org/0000-0002-5666-8320"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jieming Zhu","raw_affiliation_strings":["Huawei Noah's Ark Lab,  Shenzhen China"],"raw_orcid":"https://orcid.org/0000-0002-5666-8320","affiliations":[{"raw_affiliation_string":"Huawei Noah's Ark Lab,  Shenzhen China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100427434","display_name":"Bo Chen","orcid":"https://orcid.org/0000-0003-3750-2533"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bo Chen","raw_affiliation_strings":["Huawei Noah's Ark Lab, Huawei Technologies Co Ltd, Shenzhen China"],"raw_orcid":"https://orcid.org/0000-0003-3750-2533","affiliations":[{"raw_affiliation_string":"Huawei Noah's Ark Lab, Huawei Technologies Co Ltd, Shenzhen China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054330014","display_name":"Ruiming Tang","orcid":"https://orcid.org/0000-0002-9224-2431"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruiming TANG","raw_affiliation_strings":["Huawei Noah's Ark Lab, Huawei Technologies Co Ltd, Shenzhen China"],"raw_orcid":"https://orcid.org/0000-0002-9224-2431","affiliations":[{"raw_affiliation_string":"Huawei Noah's Ark Lab, Huawei Technologies Co Ltd, Shenzhen China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001571390","display_name":"Yong Yu","orcid":"https://orcid.org/0000-0003-0281-8271"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yong Yu","raw_affiliation_strings":["Shanghai Jiao Tong University,  Shanghai China"],"raw_orcid":"https://orcid.org/0000-0003-0281-8271","affiliations":[{"raw_affiliation_string":"Shanghai Jiao Tong University,  Shanghai China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090720315","display_name":"Weinan Zhang","orcid":"https://orcid.org/0000-0002-0127-2425"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weinan Zhang","raw_affiliation_strings":["Computer Science, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-0127-2425","affiliations":[{"raw_affiliation_string":"Computer Science, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":11,"corresponding_author_ids":["https://openalex.org/A5013513956"],"corresponding_institution_ids":["https://openalex.org/I183067930"],"apc_list":null,"apc_paid":null,"fwci":2.9051,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.888227,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"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/T10028","display_name":"Topic Modeling","score":0.9991000294685364,"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/T11273","display_name":"Advanced Graph Neural Networks","score":0.9965000152587891,"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":0.5071303844451904}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5071303844451904}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3725894","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3725894","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3725894","source":{"id":"https://openalex.org/S4387284325","display_name":"ACM Transactions on Recommender Systems","issn_l":"2770-6699","issn":["2770-6699"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Recommender Systems","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1145/3725894","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3725894","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3725894","source":{"id":"https://openalex.org/S4387284325","display_name":"ACM Transactions on Recommender Systems","issn_l":"2770-6699","issn":["2770-6699"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Recommender Systems","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4408832699.pdf"},"referenced_works_count":67,"referenced_works":["https://openalex.org/W2054141820","https://openalex.org/W2069870183","https://openalex.org/W2127176025","https://openalex.org/W2158703410","https://openalex.org/W2295739661","https://openalex.org/W2723293840","https://openalex.org/W2793768763","https://openalex.org/W2796727080","https://openalex.org/W2898085636","https://openalex.org/W2911778742","https://openalex.org/W2912351665","https://openalex.org/W2913560138","https://openalex.org/W2946044191","https://openalex.org/W2964182926","https://openalex.org/W2971196067","https://openalex.org/W2973171206","https://openalex.org/W2979450518","https://openalex.org/W3035590471","https://openalex.org/W3046764764","https://openalex.org/W3048804154","https://openalex.org/W3091993229","https://openalex.org/W3093945404","https://openalex.org/W3101704389","https://openalex.org/W3101997094","https://openalex.org/W3104030692","https://openalex.org/W3104439459","https://openalex.org/W3104789011","https://openalex.org/W3106439716","https://openalex.org/W3153687269","https://openalex.org/W3175529606","https://openalex.org/W3209943551","https://openalex.org/W4224903584","https://openalex.org/W4226278401","https://openalex.org/W4283172211","https://openalex.org/W4285294723","https://openalex.org/W4290790999","https://openalex.org/W4290876929","https://openalex.org/W4290944002","https://openalex.org/W4296591867","https://openalex.org/W4297971002","https://openalex.org/W4302307109","https://openalex.org/W4309674289","https://openalex.org/W4311185032","https://openalex.org/W4367047145","https://openalex.org/W4367311140","https://openalex.org/W4379382506","https://openalex.org/W4385562639","https://openalex.org/W4385569771","https://openalex.org/W4385571689","https://openalex.org/W4386081001","https://openalex.org/W4386542364","https://openalex.org/W4386728930","https://openalex.org/W4386729282","https://openalex.org/W4386729952","https://openalex.org/W4386875129","https://openalex.org/W4389520103","https://openalex.org/W4389777839","https://openalex.org/W4392490033","https://openalex.org/W4392846385","https://openalex.org/W4396722718","https://openalex.org/W4396734745","https://openalex.org/W4396758529","https://openalex.org/W4396758712","https://openalex.org/W4400524493","https://openalex.org/W4400526723","https://openalex.org/W4400530533","https://openalex.org/W4401856724"],"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/W4396696052"],"abstract_inverted_index":{"Recommender":[0],"system":[1],"plays":[2],"a":[3,20,180,237,259],"pervasive":[4],"role":[5],"in":[6,41,66,76],"today\u2019s":[7],"online":[8,79,266],"services,":[9],"yet":[10],"its":[11,25,186],"closed-loop":[12],"nature,":[13],"i.e.":[14],",":[15,111,184],"training":[16],"and":[17,50,82,99,121,138,148,168,174,216,233,243,253,257,261],"deploying":[18],"within":[19],"specific":[21],"closed":[22],"domain,":[23],"constrains":[24],"access":[26],"to":[27,58,112,130,200,250],"open-world":[28],"knowledge.":[29],"Recently,":[30],"the":[31,68,165,189,202,218,221,230,265],"emergence":[32],"of":[33,71,78,116,156,204,240],"large":[34],"language":[35],"models":[36],"(LLMs)":[37],"has":[38,247],"shown":[39],"promise":[40],"bridging":[42],"this":[43,87],"gap":[44],"by":[45,214],"encoding":[46],"extensive":[47],"world":[48],"knowledge":[49,118,133,146,150,170,219],"demonstrating":[51],"advanced":[52],"reasoning":[53,134],"capabilities.":[54],"However,":[55],"previous":[56],"attempts":[57],"directly":[59,198],"implement":[60],"LLMs":[61],"as":[62],"recommenders":[63],"fall":[64],"short":[65],"meeting":[67],"demanding":[69],"requirements":[70],"industrial":[72],"recommender":[73],"systems,":[74],"particularly":[75],"terms":[77],"inference":[80,213],"latency":[81],"offline":[83,161],"resource":[84,162],"efficiency.":[85],"In":[86],"work,":[88],"we":[89,126,143],"propose":[90],"an":[91],"Open-World":[92],"R":[93],"ecommendation":[94],"Framework":[95],"with":[96,188,236],"E":[97],"fficient":[98],"Deployable":[100],"K":[101],"nowledge":[102],"I":[103],"nfusion":[104],"from":[105,123,220],"Large":[106],"Language":[107],"Models,":[108],"dubbed":[109],"REKI":[110,227,246],"acquire":[113],"two":[114],"types":[115],"external":[117],"about":[119],"users":[120],"items":[122],"LLMs.":[124],"Specifically,":[125],"introduce":[127],"factorization":[128,141],"prompting":[129],"elicit":[131],"accurate":[132],"on":[135],"user":[136,167],"preferences":[137],"items.":[139],"With":[140],"prompting,":[142],"develop":[144],"individual":[145],"extraction":[147,151],"collective":[149],"tailored":[152],"for":[153],"different":[154],"scales":[155],"recommendation":[157,190,207,241,255],"scenarios,":[158],"effectively":[159],"reducing":[160],"consumption.":[163],"Subsequently,":[164],"generated":[166],"item":[169],"undergoes":[171],"efficient":[172,212],"transformation":[173],"condensation":[175],"into":[176],"augmented":[177],"vectors":[178,194],"through":[179],"hybridized":[181],"expert-integrated":[182],"network":[183],"ensuring":[185],"compatibility":[187],"task.":[191],"The":[192],"obtained":[193],"can":[195],"then":[196],"be":[197],"used":[199],"enhance":[201],"performance":[203],"any":[205],"conventional":[206],"model.":[208],"We":[209],"also":[210],"ensure":[211],"preprocessing":[215],"prestoring":[217],"LLM.":[222],"Extensive":[223],"experiments":[224],"demonstrate":[225],"that":[226],"significantly":[228],"outperforms":[229],"state-of-the-art":[231],"baselines":[232],"is":[234],"compatible":[235],"diverse":[238],"array":[239],"algorithms":[242],"tasks.":[244],"Now,":[245],"been":[248],"deployed":[249],"Huawei\u2019s":[251],"news":[252],"music":[254],"platforms":[256],"gained":[258],"7%":[260],"1.99%":[262],"improvement":[263],"during":[264],"A/B":[267],"test.":[268]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
