{"id":"https://openalex.org/W4412376856","doi":"https://doi.org/10.1145/3726302.3730017","title":"Killing Two Birds with One Stone: Unifying Retrieval and Ranking with a Single Generative Recommendation Model","display_name":"Killing Two Birds with One Stone: Unifying Retrieval and Ranking with a Single Generative Recommendation Model","publication_year":2025,"publication_date":"2025-07-13","ids":{"openalex":"https://openalex.org/W4412376856","doi":"https://doi.org/10.1145/3726302.3730017"},"language":"en","primary_location":{"id":"doi:10.1145/3726302.3730017","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3726302.3730017","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":["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/A5082228555","display_name":"Liuna Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Luankang Zhang","raw_affiliation_strings":["University of Science and Technology of China, Hefei, Anhui, China"],"raw_orcid":"https://orcid.org/0009-0006-5833-5999","affiliations":[{"raw_affiliation_string":"University of Science and Technology of China, Hefei, Anhui, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102691832","display_name":"Kenan Song","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kenan Song","raw_affiliation_strings":["Huawei Noah's Ark Lab, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0009-0004-3375-6928","affiliations":[{"raw_affiliation_string":"Huawei Noah's Ark Lab, Singapore, Singapore","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100315624","display_name":"Yi Quan Lee","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yi Quan Lee","raw_affiliation_strings":["Huawei Noah's Ark Lab, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0009-0007-9747-741X","affiliations":[{"raw_affiliation_string":"Huawei Noah's Ark Lab, Singapore, Singapore","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100648538","display_name":"Wei Guo","orcid":"https://orcid.org/0000-0001-8616-0221"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wei Guo","raw_affiliation_strings":["Huawei Noah's Ark Lab, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0001-8616-0221","affiliations":[{"raw_affiliation_string":"Huawei Noah's Ark Lab, Singapore, Singapore","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100446071","display_name":"Hao Wang","orcid":"https://orcid.org/0000-0001-9921-2078"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hao Wang","raw_affiliation_strings":["University of Science and Technology of China, Hefei, Anhui, China"],"raw_orcid":"https://orcid.org/0000-0001-9921-2078","affiliations":[{"raw_affiliation_string":"University of Science and Technology of China, Hefei, Anhui, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100633553","display_name":"Yawen Li","orcid":"https://orcid.org/0000-0003-2662-3444"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yawen Li","raw_affiliation_strings":["Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-2662-3444","affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019541869","display_name":"Huifeng Guo","orcid":"https://orcid.org/0000-0002-7393-8994"},"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":"Huifeng Guo","raw_affiliation_strings":["Huawei Noah's Ark Lab, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0002-7393-8994","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/A5072988055","display_name":"Yong Liu","orcid":"https://orcid.org/0000-0001-9031-9696"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yong Liu","raw_affiliation_strings":["Huawei Noah's Ark Lab, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0001-9031-9696","affiliations":[{"raw_affiliation_string":"Huawei Noah's Ark Lab, Singapore, Singapore","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085254654","display_name":"Defu Lian","orcid":"https://orcid.org/0000-0002-3507-9607"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Defu Lian","raw_affiliation_strings":["University of Science and Technology of China, Hefei, Anhui, China"],"raw_orcid":"https://orcid.org/0000-0002-3507-9607","affiliations":[{"raw_affiliation_string":"University of Science and Technology of China, Hefei, Anhui, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048237545","display_name":"Enhong Chen","orcid":"https://orcid.org/0000-0002-4835-4102"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Enhong Chen","raw_affiliation_strings":["University of Science and Technology of China, Hefei, Anhui, China"],"raw_orcid":"https://orcid.org/0000-0002-4835-4102","affiliations":[{"raw_affiliation_string":"University of Science and Technology of China, Hefei, Anhui, China","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5082228555"],"corresponding_institution_ids":["https://openalex.org/I126520041"],"apc_list":null,"apc_paid":null,"fwci":2.9051,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.91568045,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"2224","last_page":"2234"},"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/T10286","display_name":"Information Retrieval and Search Behavior","score":0.9976000189781189,"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/T12101","display_name":"Advanced Bandit Algorithms Research","score":0.9959999918937683,"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/ranking","display_name":"Ranking (information retrieval)","score":0.7988678216934204},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6608030200004578},{"id":"https://openalex.org/keywords/generative-grammar","display_name":"Generative grammar","score":0.5942240953445435},{"id":"https://openalex.org/keywords/generative-model","display_name":"Generative model","score":0.542172372341156},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.5202859044075012},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.42801836133003235}],"concepts":[{"id":"https://openalex.org/C189430467","wikidata":"https://www.wikidata.org/wiki/Q7293293","display_name":"Ranking (information retrieval)","level":2,"score":0.7988678216934204},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6608030200004578},{"id":"https://openalex.org/C39890363","wikidata":"https://www.wikidata.org/wiki/Q36108","display_name":"Generative grammar","level":2,"score":0.5942240953445435},{"id":"https://openalex.org/C167966045","wikidata":"https://www.wikidata.org/wiki/Q5532625","display_name":"Generative model","level":3,"score":0.542172372341156},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5202859044075012},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.42801836133003235}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3726302.3730017","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3726302.3730017","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W1969147614","https://openalex.org/W2061873838","https://openalex.org/W2136189984","https://openalex.org/W2171279286","https://openalex.org/W2512965516","https://openalex.org/W2604662567","https://openalex.org/W2605350416","https://openalex.org/W2723293840","https://openalex.org/W2734755249","https://openalex.org/W2898085636","https://openalex.org/W2908332126","https://openalex.org/W2963367478","https://openalex.org/W2964044287","https://openalex.org/W2982930951","https://openalex.org/W2984100107","https://openalex.org/W3031475799","https://openalex.org/W3065542300","https://openalex.org/W3081170586","https://openalex.org/W3093945404","https://openalex.org/W3095319910","https://openalex.org/W3100260481","https://openalex.org/W3101704389","https://openalex.org/W3153687269","https://openalex.org/W3155298021","https://openalex.org/W4236707673","https://openalex.org/W4284707446","https://openalex.org/W4306317502","https://openalex.org/W4361804600","https://openalex.org/W4387846842","https://openalex.org/W4392367398","https://openalex.org/W4396723196","https://openalex.org/W4396736277","https://openalex.org/W4396758712","https://openalex.org/W4400531810","https://openalex.org/W4401834466","https://openalex.org/W4403218830","https://openalex.org/W4409657429","https://openalex.org/W4411812659","https://openalex.org/W6602120790"],"related_works":["https://openalex.org/W2118564381","https://openalex.org/W2163901716","https://openalex.org/W4365211920","https://openalex.org/W2152204162","https://openalex.org/W2739821120","https://openalex.org/W2088097596","https://openalex.org/W2150136235","https://openalex.org/W2140661912","https://openalex.org/W3014948380","https://openalex.org/W2037724912"],"abstract_inverted_index":{"In":[0],"recommendation":[1,180],"systems,":[2],"the":[3,33,46,97,100,121],"traditional":[4],"multi-stage":[5],"paradigm,":[6],"which":[7],"includes":[8],"retrieval":[9,57,105,124],"and":[10,19,58,125,152,175],"ranking,":[11,126],"often":[12],"suffers":[13],"from":[14],"information":[15,76,148],"loss":[16],"between":[17,163],"stages":[18,38,68,164],"diminishes":[20],"performance.":[21],"Recent":[22],"advances":[23],"in":[24,146],"generative":[25,63,179],"models,":[26],"inspired":[27],"by":[28],"natural":[29],"language":[30],"processing,":[31],"suggest":[32],"potential":[34],"for":[35,178],"unifying":[36],"these":[37],"to":[39,103,118],"mitigate":[40],"such":[41],"loss.":[42],"This":[43],"paper":[44],"presents":[45],"Unified":[47],"Generative":[48],"Recommendation":[49],"Framework":[50],"(UniGRF),":[51],"a":[52,61,91,112],"novel":[53],"approach":[54],"that":[55,95,134,156],"integrates":[56],"ranking":[59,101],"into":[60],"single":[62],"model.":[64],"By":[65],"treating":[66],"both":[67],"as":[69],"sequence":[70],"generation":[71],"tasks,":[72],"UniGRF":[73,89,135,157,170],"enables":[74],"sufficient":[75],"sharing":[77],"without":[78],"additional":[79],"computational":[80],"costs,":[81],"while":[82],"remaining":[83],"model-agnostic.":[84],"To":[85],"enhance":[86],"inter-stage":[87],"collaboration,":[88],"introduces":[90],"ranking-driven":[92],"enhancer":[93],"module":[94],"leverages":[96],"precision":[98],"of":[99,123],"stage":[102],"refine":[104],"processes,":[106],"creating":[107],"an":[108,172],"enhancement":[109],"loop.":[110],"Besides,":[111],"gradient-guided":[113],"adaptive":[114],"weighter":[115],"is":[116],"incorporated":[117],"dynamically":[119],"balance":[120],"optimization":[122],"ensuring":[127],"synchronized":[128,168],"performance":[129],"improvements.":[130],"Extensive":[131],"experiments":[132,154],"demonstrate":[133],"significantly":[136],"outperforms":[137],"existing":[138],"models":[139],"on":[140],"benchmark":[141],"datasets,":[142],"confirming":[143],"its":[144],"effectiveness":[145],"facilitating":[147],"transfer.":[149],"Ablation":[150],"studies":[151],"further":[153],"reveal":[155],"not":[158],"only":[159],"promotes":[160],"efficient":[161],"collaboration":[162],"but":[165],"also":[166],"achieves":[167],"optimization.":[169],"provides":[171],"effective,":[173],"scalable,":[174],"compatible":[176],"framework":[177],"systems.":[181]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
