{"id":"https://openalex.org/W3084046259","doi":"https://doi.org/10.1109/bigdata50022.2020.9378302","title":"Addressing Cold Start in Recommender Systems with Hierarchical Graph Neural Networks","display_name":"Addressing Cold Start in Recommender Systems with Hierarchical Graph Neural Networks","publication_year":2020,"publication_date":"2020-12-10","ids":{"openalex":"https://openalex.org/W3084046259","doi":"https://doi.org/10.1109/bigdata50022.2020.9378302","mag":"3084046259"},"language":"en","primary_location":{"id":"doi:10.1109/bigdata50022.2020.9378302","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bigdata50022.2020.9378302","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE International Conference on Big Data (Big Data)","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2009.03455","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5076648278","display_name":"Ivan Maksimov","orcid":null},"institutions":[{"id":"https://openalex.org/I125989756","display_name":"Skolkovo Institute of Science and Technology","ror":"https://ror.org/03f9nc143","country_code":"RU","type":"education","lineage":["https://openalex.org/I125989756"]}],"countries":["RU"],"is_corresponding":true,"raw_author_name":"Ivan Maksimov","raw_affiliation_strings":["Skoltech, Moscow, Russia","Skoltech#TAB#"],"affiliations":[{"raw_affiliation_string":"Skoltech, Moscow, Russia","institution_ids":["https://openalex.org/I125989756"]},{"raw_affiliation_string":"Skoltech#TAB#","institution_ids":["https://openalex.org/I125989756"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066672564","display_name":"Rodrigo Rivera-Castro","orcid":"https://orcid.org/0000-0001-9230-7226"},"institutions":[{"id":"https://openalex.org/I125989756","display_name":"Skolkovo Institute of Science and Technology","ror":"https://ror.org/03f9nc143","country_code":"RU","type":"education","lineage":["https://openalex.org/I125989756"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Rodrigo Rivera-Castro","raw_affiliation_strings":["Skoltech, Moscow, Russia","Skoltech,Moscow,Russia"],"affiliations":[{"raw_affiliation_string":"Skoltech, Moscow, Russia","institution_ids":["https://openalex.org/I125989756"]},{"raw_affiliation_string":"Skoltech,Moscow,Russia","institution_ids":["https://openalex.org/I125989756"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088950452","display_name":"Evgeny Burnaev","orcid":"https://orcid.org/0000-0001-8424-0690"},"institutions":[{"id":"https://openalex.org/I125989756","display_name":"Skolkovo Institute of Science and Technology","ror":"https://ror.org/03f9nc143","country_code":"RU","type":"education","lineage":["https://openalex.org/I125989756"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Evgeny Burnaev","raw_affiliation_strings":["Skoltech, Moscow, Russia","Skoltech,Moscow,Russia"],"affiliations":[{"raw_affiliation_string":"Skoltech, Moscow, Russia","institution_ids":["https://openalex.org/I125989756"]},{"raw_affiliation_string":"Skoltech,Moscow,Russia","institution_ids":["https://openalex.org/I125989756"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5076648278"],"corresponding_institution_ids":["https://openalex.org/I125989756"],"apc_list":null,"apc_paid":null,"fwci":0.2781,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.66159963,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":93},"biblio":{"volume":null,"issue":null,"first_page":"5128","last_page":"5137"},"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/T11273","display_name":"Advanced Graph Neural Networks","score":0.9990000128746033,"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/T10028","display_name":"Topic Modeling","score":0.9905999898910522,"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/bespoke","display_name":"Bespoke","score":0.9201089143753052},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.9012603759765625},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.769310474395752},{"id":"https://openalex.org/keywords/cold-start","display_name":"Cold start (automotive)","score":0.7454061508178711},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.5666124820709229},{"id":"https://openalex.org/keywords/hierarchy","display_name":"Hierarchy","score":0.5661478042602539},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.48227575421333313},{"id":"https://openalex.org/keywords/architecture","display_name":"Architecture","score":0.45897454023361206},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.4433255195617676},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4234214723110199},{"id":"https://openalex.org/keywords/deep-neural-networks","display_name":"Deep neural networks","score":0.4166654348373413},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3428778648376465},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.3317152261734009},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.203861802816391},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09141409397125244}],"concepts":[{"id":"https://openalex.org/C44210515","wikidata":"https://www.wikidata.org/wiki/Q16968978","display_name":"Bespoke","level":2,"score":0.9201089143753052},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.9012603759765625},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.769310474395752},{"id":"https://openalex.org/C2778956030","wikidata":"https://www.wikidata.org/wiki/Q5142477","display_name":"Cold start (automotive)","level":2,"score":0.7454061508178711},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.5666124820709229},{"id":"https://openalex.org/C31170391","wikidata":"https://www.wikidata.org/wiki/Q188619","display_name":"Hierarchy","level":2,"score":0.5661478042602539},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.48227575421333313},{"id":"https://openalex.org/C123657996","wikidata":"https://www.wikidata.org/wiki/Q12271","display_name":"Architecture","level":2,"score":0.45897454023361206},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.4433255195617676},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4234214723110199},{"id":"https://openalex.org/C2984842247","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep neural networks","level":3,"score":0.4166654348373413},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3428778648376465},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.3317152261734009},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.203861802816391},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09141409397125244},{"id":"https://openalex.org/C153349607","wikidata":"https://www.wikidata.org/wiki/Q36649","display_name":"Visual arts","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/bigdata50022.2020.9378302","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bigdata50022.2020.9378302","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE International Conference on Big Data (Big Data)","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2009.03455","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2009.03455","pdf_url":"https://arxiv.org/pdf/2009.03455","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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"},{"id":"mag:3084046259","is_oa":true,"landing_page_url":"http://export.arxiv.org/pdf/2009.03455","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},{"id":"doi:10.48550/arxiv.2009.03455","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2009.03455","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2009.03455","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2009.03455","pdf_url":"https://arxiv.org/pdf/2009.03455","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.6399999856948853}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321079","display_name":"Russian Foundation for Basic Research","ror":"https://ror.org/02mh1ke95"},{"id":"https://openalex.org/F4320321739","display_name":"Consejo Nacional de Ciencia y Tecnolog\u00eda","ror":"https://ror.org/059ex5q34"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3084046259.pdf","grobid_xml":"https://content.openalex.org/works/W3084046259.grobid-xml"},"referenced_works_count":56,"referenced_works":["https://openalex.org/W805665992","https://openalex.org/W1486317198","https://openalex.org/W2030930167","https://openalex.org/W2040367556","https://openalex.org/W2080371694","https://openalex.org/W2104595371","https://openalex.org/W2149409084","https://openalex.org/W2150120952","https://openalex.org/W2158515176","https://openalex.org/W2177562712","https://openalex.org/W2187089797","https://openalex.org/W2194775991","https://openalex.org/W2226205360","https://openalex.org/W2247675004","https://openalex.org/W2383250970","https://openalex.org/W2409498980","https://openalex.org/W2574335762","https://openalex.org/W2624407581","https://openalex.org/W2624431344","https://openalex.org/W2654982261","https://openalex.org/W2754973892","https://openalex.org/W2787900111","https://openalex.org/W2808373708","https://openalex.org/W2894081456","https://openalex.org/W2905224888","https://openalex.org/W2907492528","https://openalex.org/W2908404712","https://openalex.org/W2912664727","https://openalex.org/W2913560138","https://openalex.org/W2914050157","https://openalex.org/W2916953657","https://openalex.org/W2943971163","https://openalex.org/W2944441143","https://openalex.org/W2945623882","https://openalex.org/W2952952868","https://openalex.org/W2957191877","https://openalex.org/W2962767366","https://openalex.org/W2962917313","https://openalex.org/W2963878746","https://openalex.org/W2971417823","https://openalex.org/W2978928918","https://openalex.org/W2987084112","https://openalex.org/W3013958775","https://openalex.org/W3104326162","https://openalex.org/W3104353018","https://openalex.org/W3105114834","https://openalex.org/W3106252282","https://openalex.org/W3106439716","https://openalex.org/W3106450873","https://openalex.org/W4210257598","https://openalex.org/W6682549455","https://openalex.org/W6686017151","https://openalex.org/W6738964360","https://openalex.org/W6744272371","https://openalex.org/W6829315302","https://openalex.org/W7047315954"],"related_works":["https://openalex.org/W3139313365","https://openalex.org/W3005155367","https://openalex.org/W2804446061","https://openalex.org/W3173072270","https://openalex.org/W3045636955","https://openalex.org/W2809363009","https://openalex.org/W2978745145","https://openalex.org/W2436991938","https://openalex.org/W3044579909","https://openalex.org/W3108264780","https://openalex.org/W1659765516","https://openalex.org/W3030886950","https://openalex.org/W2995730471","https://openalex.org/W2168395113","https://openalex.org/W2052680420","https://openalex.org/W2915996436","https://openalex.org/W3126704131","https://openalex.org/W3120618036","https://openalex.org/W2787177576","https://openalex.org/W2897844661"],"abstract_inverted_index":{"Recommender":[0],"systems":[1],"have":[2],"become":[3],"an":[4],"essential":[5],"instrument":[6],"in":[7],"a":[8,41,52,87],"wide":[9],"range":[10],"of":[11,71],"industries":[12],"to":[13,55],"personalize":[14],"the":[15,31,57,84],"user":[16],"experience.":[17],"A":[18],"significant":[19],"issue":[20],"that":[21,76],"has":[22],"captured":[23],"both":[24],"researchers'":[25],"and":[26,51,69,73],"industry":[27],"experts'":[28],"attention":[29],"is":[30],"cold":[32,58],"start":[33,59],"problem":[34],"for":[35,61],"new":[36],"items.":[37,62],"This":[38],"work":[39],"presents":[40],"graph":[42],"neural":[43],"network":[44],"recommender":[45],"system":[46],"using":[47],"item":[48],"hierarchy":[49],"graphs":[50],"bespoke":[53],"architecture":[54],"handle":[56],"case":[60],"The":[63],"experimental":[64],"study":[65],"on":[66],"multiple":[67],"datasets":[68],"millions":[70],"users":[72],"interactions":[74],"indicates":[75],"our":[77],"method":[78],"achieves":[79],"better":[80],"forecasting":[81],"quality":[82],"than":[83],"state-of-the-art":[85],"with":[86],"comparable":[88],"computational":[89],"time.":[90]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
