{"id":"https://openalex.org/W3088235863","doi":"https://doi.org/10.1145/3383313.3412242","title":"MultiRec: A Multi-Relational Approach for Unique Item Recommendation in Auction Systems","display_name":"MultiRec: A Multi-Relational Approach for Unique Item Recommendation in Auction Systems","publication_year":2020,"publication_date":"2020-09-19","ids":{"openalex":"https://openalex.org/W3088235863","doi":"https://doi.org/10.1145/3383313.3412242","mag":"3088235863"},"language":"en","primary_location":{"id":"doi:10.1145/3383313.3412242","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3383313.3412242","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Fourteenth ACM Conference on Recommender Systems","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/A5053107270","display_name":"Ahmed Nabih Zaki Rashed","orcid":"https://orcid.org/0000-0002-5338-1623"},"institutions":[{"id":"https://openalex.org/I155765044","display_name":"University of Hildesheim","ror":"https://ror.org/02f9det96","country_code":"DE","type":"education","lineage":["https://openalex.org/I155765044"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Ahmed Rashed","raw_affiliation_strings":["Information Systems and Machine Learning Lab University of Hildesheim, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information Systems and Machine Learning Lab University of Hildesheim, Germany","institution_ids":["https://openalex.org/I155765044"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073858605","display_name":"Shayan Jawed","orcid":"https://orcid.org/0009-0001-9130-8208"},"institutions":[{"id":"https://openalex.org/I155765044","display_name":"University of Hildesheim","ror":"https://ror.org/02f9det96","country_code":"DE","type":"education","lineage":["https://openalex.org/I155765044"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Shayan Jawed","raw_affiliation_strings":["Information Systems and Machine Learning Lab University of Hildesheim, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information Systems and Machine Learning Lab University of Hildesheim, Germany","institution_ids":["https://openalex.org/I155765044"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039470755","display_name":"Lars Schmidt-Thieme","orcid":"https://orcid.org/0000-0001-5729-6023"},"institutions":[{"id":"https://openalex.org/I155765044","display_name":"University of Hildesheim","ror":"https://ror.org/02f9det96","country_code":"DE","type":"education","lineage":["https://openalex.org/I155765044"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Lars Schmidt-Thieme","raw_affiliation_strings":["Information Systems and Machine Learning Lab University of Hildesheim, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information Systems and Machine Learning Lab University of Hildesheim, Germany","institution_ids":["https://openalex.org/I155765044"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002558070","display_name":"Andre Hintsches","orcid":null},"institutions":[{"id":"https://openalex.org/I4210096591","display_name":"Volkswagen Financial Services (Germany)","ror":"https://ror.org/00bf6gk85","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210096591"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Andre Hintsches","raw_affiliation_strings":["Volkswagen Financial Services AG, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Volkswagen Financial Services AG, Germany","institution_ids":["https://openalex.org/I4210096591"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.2279,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.90824985,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"230","last_page":"239"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9997000098228455,"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":0.9997000098228455,"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/T11161","display_name":"Consumer Market Behavior and Pricing","score":0.9876000285148621,"subfield":{"id":"https://openalex.org/subfields/1406","display_name":"Marketing"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12101","display_name":"Advanced Bandit Algorithms Research","score":0.984499990940094,"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":0.8330966234207153},{"id":"https://openalex.org/keywords/leverage","display_name":"Leverage (statistics)","score":0.7718584537506104},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.7288246154785156},{"id":"https://openalex.org/keywords/bidding","display_name":"Bidding","score":0.5832443833351135},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3632029891014099},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.33517783880233765},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3121023178100586}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8330966234207153},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.7718584537506104},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.7288246154785156},{"id":"https://openalex.org/C9233905","wikidata":"https://www.wikidata.org/wiki/Q3276328","display_name":"Bidding","level":2,"score":0.5832443833351135},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3632029891014099},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.33517783880233765},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3121023178100586},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3383313.3412242","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3383313.3412242","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Fourteenth ACM Conference on Recommender Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1994389483","https://openalex.org/W2027731328","https://openalex.org/W2038585576","https://openalex.org/W2048657872","https://openalex.org/W2102982709","https://openalex.org/W2114079787","https://openalex.org/W2136189984","https://openalex.org/W2137245235","https://openalex.org/W2157881433","https://openalex.org/W2158515176","https://openalex.org/W2244405900","https://openalex.org/W2253995343","https://openalex.org/W2295739661","https://openalex.org/W2509893387","https://openalex.org/W2515144511","https://openalex.org/W2605350416","https://openalex.org/W2612388534","https://openalex.org/W2612708909","https://openalex.org/W2728931363","https://openalex.org/W2741249238","https://openalex.org/W2786995169","https://openalex.org/W2793768763","https://openalex.org/W2913077324","https://openalex.org/W2951547735","https://openalex.org/W2963085847","https://openalex.org/W2963323306","https://openalex.org/W2964182926","https://openalex.org/W2973090653","https://openalex.org/W3100921056","https://openalex.org/W3102560000","https://openalex.org/W3104030692"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2355561715","https://openalex.org/W2355326491","https://openalex.org/W2389286292","https://openalex.org/W2360751371","https://openalex.org/W2387920521","https://openalex.org/W2389754756","https://openalex.org/W2382224273","https://openalex.org/W2373538886","https://openalex.org/W2360290312"],"abstract_inverted_index":{"In":[0,27,122],"auction-based":[1,130,193],"systems":[2,80],"such":[3,98,154],"as":[4,99,155],"in":[5,189],"used":[6],"car":[7],"centers":[8],"and":[9,18,34,48,106,146,171],"online":[10],"auction":[11],"websites,":[12],"users":[13],"usually":[14],"bid":[15],"on":[16,84,119,161,172],"items,":[17],"those":[19,91],"items":[20,51,60],"get":[21],"sold":[22,37],"to":[23,76,116],"their":[24],"highest":[25],"bidders.":[26],"these":[28],"settings,":[29],"every":[30],"item":[31,131,147,195],"is":[32],"unique":[33,194],"can":[35,142],"be":[36,46,95],"only":[38,118],"once,":[39],"which":[40],"means":[41],"users\u2019":[42],"purchase":[43],"histories":[44],"will":[45,52,61,93,114],"unique,":[47],"no":[49],"common":[50],"exist":[53],"across":[54],"them.":[55],"On":[56],"the":[57,77,100,108,112,127,156,181,190],"other":[58],"hand,":[59],"not":[62,94],"have":[63],"any":[64],"historical":[65,85],"sales":[66],"at":[67],"all.":[68],"Such":[69],"extreme":[70],"settings":[71],"pose":[72],"a":[73,135,173],"significant":[74],"challenge":[75],"current":[78],"recommender":[79,138],"models":[81,92,188],"that":[82,141,180],"rely":[83,117],"user-item":[86],"interactions.":[87],"While":[88],"some":[89],"of":[90,129,192],"applicable":[96],"altogether,":[97],"matrix":[101],"factorization":[102],"models,":[103,105],"neighborhood":[104],"even":[107],"naive":[109],"most-popular":[110],"model,":[111],"rest":[113],"need":[115],"items\u2019":[120],"attributes.":[121],"this":[123],"paper,":[124],"we":[125],"address":[126],"challenges":[128],"recommendation":[132],"by":[133],"proposing":[134],"simple":[136],"multi-relational":[137],"model":[139,183],"(MultiRec)":[140],"seamlessly":[143],"leverage":[144],"user":[145],"attributes":[148],"along":[149],"with":[150],"auxiliary":[151],"relational":[152],"information":[153],"user\u2019s":[157],"bidding":[158],"history.":[159],"Experiments":[160],"one":[162],"proprietary":[163],"dataset":[164,178],"from":[165],"Volkswagen":[166],"Financial":[167],"Services":[168],"used-cars":[169],"center,":[170],"real-world":[174],"publicly":[175],"available":[176],"eBay":[177],"show":[179],"proposed":[182],"significantly":[184],"outperforms":[185],"multiple":[186],"state-of-art":[187],"task":[191],"recommendation.":[196]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
