{"id":"https://openalex.org/W4409671494","doi":"https://doi.org/10.1145/3696410.3714580","title":"Privacy-Friendly Cross-Domain Recommendation via Distilling User-irrelevant Information","display_name":"Privacy-Friendly Cross-Domain Recommendation via Distilling User-irrelevant Information","publication_year":2025,"publication_date":"2025-04-22","ids":{"openalex":"https://openalex.org/W4409671494","doi":"https://doi.org/10.1145/3696410.3714580"},"language":"en","primary_location":{"id":"doi:10.1145/3696410.3714580","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3696410.3714580","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3696410.3714580","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM on Web Conference 2025","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3696410.3714580","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100717278","display_name":"Cheng Wang","orcid":"https://orcid.org/0000-0002-7181-4939"},"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"]},{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Cheng Wang","raw_affiliation_strings":["Huazhong University of Science and Technology, Wuhan, China and Huawei Technologies Ltd., Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Huazhong University of Science and Technology, Wuhan, China and Huawei Technologies Ltd., Shenzhen, China","institution_ids":["https://openalex.org/I2250955327","https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063181504","display_name":"Wenchao Xu","orcid":"https://orcid.org/0000-0003-0983-387X"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Wenchao Xu","raw_affiliation_strings":["The Hong Kong Polytechnic University, Hong Kong, Hong Kong"],"affiliations":[{"raw_affiliation_string":"The Hong Kong Polytechnic University, Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027119797","display_name":"Haozhao Wang","orcid":"https://orcid.org/0000-0002-7591-5315"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haozhao Wang","raw_affiliation_strings":["Huazhong University of Science and Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100672694","display_name":"Wei Liu","orcid":"https://orcid.org/0000-0002-3871-9454"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Liu","raw_affiliation_strings":["Huazhong University of Science and Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039670436","display_name":"Ruixuan Li","orcid":"https://orcid.org/0000-0002-7791-5511"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruixuan Li","raw_affiliation_strings":["Huazhong University of Science and Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100717278"],"corresponding_institution_ids":["https://openalex.org/I2250955327","https://openalex.org/I47720641"],"apc_list":null,"apc_paid":null,"fwci":3.0778,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.8992139,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"450","last_page":"461"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9994000196456909,"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/T11612","display_name":"Stochastic Gradient Optimization Techniques","score":0.9810000061988831,"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":0.7472809553146362},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.5592159628868103},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.4135245680809021},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.30484625697135925}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7472809553146362},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.5592159628868103},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.4135245680809021},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.30484625697135925},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3696410.3714580","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3696410.3714580","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3696410.3714580","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM on Web Conference 2025","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-169738","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-169738","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"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":"Conference paper"}],"best_oa_location":{"id":"doi:10.1145/3696410.3714580","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3696410.3714580","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3696410.3714580","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM on Web Conference 2025","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4409671494.pdf"},"referenced_works_count":39,"referenced_works":["https://openalex.org/W1502375784","https://openalex.org/W1530404542","https://openalex.org/W1955857676","https://openalex.org/W2051267297","https://openalex.org/W2117420919","https://openalex.org/W2512971201","https://openalex.org/W2605350416","https://openalex.org/W2723293840","https://openalex.org/W2740605635","https://openalex.org/W2898422183","https://openalex.org/W2904156528","https://openalex.org/W2913488954","https://openalex.org/W2964052347","https://openalex.org/W2987219395","https://openalex.org/W2996891863","https://openalex.org/W3028156525","https://openalex.org/W3034957837","https://openalex.org/W3035637689","https://openalex.org/W3045200674","https://openalex.org/W3099026360","https://openalex.org/W3153108722","https://openalex.org/W3155450594","https://openalex.org/W3170587616","https://openalex.org/W3178659068","https://openalex.org/W3190386329","https://openalex.org/W3209185641","https://openalex.org/W3212464519","https://openalex.org/W3217015614","https://openalex.org/W4221030341","https://openalex.org/W4284679479","https://openalex.org/W4306317237","https://openalex.org/W4382239956","https://openalex.org/W4382240164","https://openalex.org/W4385567574","https://openalex.org/W4385756633","https://openalex.org/W4385768033","https://openalex.org/W4386729348","https://openalex.org/W4386729699","https://openalex.org/W4387969596"],"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":{"Privacy-preserving":[0],"Cross-Domain":[1],"Recommendation":[2],"(CDR)":[3],"has":[4],"been":[5],"extensively":[6],"studied":[7],"to":[8,39,43,51,98,109,167],"address":[9],"the":[10,45,52,63,142,158,164,182,185],"cold-start":[11,170],"problem":[12],"using":[13,135],"auxiliary":[14],"source":[15,147],"domains":[16,150],"while":[17],"simultaneously":[18],"protecting":[19],"sensitive":[20,31],"information.":[21,83],"However,":[22],"existing":[23,75],"privacy-preserving":[24,76],"CDR":[25],"methods":[26,42,77],"rely":[27],"heavily":[28],"on":[29,80,87],"transferring":[30,49],"user":[32],"embeddings":[33],"or":[34],"behaviour":[35],"logs,":[36],"which":[37,95],"leads":[38],"adopt":[40],"privacy":[41],"distort":[44],"data":[46,121],"patterns":[47],"before":[48],"it":[50],"target":[53,149,165],"domain.":[54],"The":[55],"distorted":[56],"information":[57],"can":[58],"compromise":[59],"overall":[60],"performance":[61],"during":[62],"knowledge":[64,90],"transfer":[65],"process.":[66],"To":[67],"overcome":[68],"these":[69],"challenges,":[70],"our":[71],"approach":[72],"differs":[73],"from":[74,91,131],"that":[78],"focus":[79],"safeguarding":[81],"user-sensitive":[82],"Instead,":[84],"we":[85,96,102],"concentrate":[86],"distilling":[88,128],"transferable":[89,129],"insensitive":[92],"item":[93],"embeddings,":[94],"refer":[97],"as":[99],"prototypes.":[100],"Specifically,":[101],"propose":[103],"a":[104,119,152],"conditional":[105],"model":[106,136],"inversion":[107],"mechanism":[108],"accurately":[110],"distill":[111],"prototypes":[112,130,139],"for":[113,127,169],"individual":[114],"users.":[115],"We":[116,173],"have":[117],"designed":[118],"new":[120],"format":[122],"and":[123,148,181],"corresponding":[124],"learning":[125],"paradigm":[126],"traditional":[132],"recommendation":[133],"models":[134],"inversion.":[137],"These":[138],"facilitate":[140],"bridging":[141],"domain":[143,166],"shift":[144],"between":[145],"distinct":[146],"in":[151,163],"privacy-friendly":[153],"manner.":[154],"Additionally,":[155],"they":[156],"enable":[157],"identification":[159],"of":[160,187],"top-k":[161],"users":[162,171],"substitute":[168],"prediction.":[172],"conduct":[174],"extensive":[175],"experiments":[176],"across":[177],"large":[178],"real-world":[179],"datasets,":[180],"results":[183],"substantiate":[184],"effectiveness":[186],"PFCDR":[188],"https://github.com/walcheng/PFCDR.":[189]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}
