{"id":"https://openalex.org/W4313203545","doi":"https://doi.org/10.1109/access.2022.3232552","title":"ROME: A Graph Contrastive Multi-View Framework From Hyperbolic Angular Space for MOOCs Recommendation","display_name":"ROME: A Graph Contrastive Multi-View Framework From Hyperbolic Angular Space for MOOCs Recommendation","publication_year":2022,"publication_date":"2022-12-28","ids":{"openalex":"https://openalex.org/W4313203545","doi":"https://doi.org/10.1109/access.2022.3232552"},"language":"en","primary_location":{"id":"doi:10.1109/access.2022.3232552","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3232552","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/10005208/10001755.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/10005208/10001755.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101888089","display_name":"Hao Luo","orcid":"https://orcid.org/0000-0003-3735-6337"},"institutions":[{"id":"https://openalex.org/I130343225","display_name":"Universiti Putra Malaysia","ror":"https://ror.org/02e91jd64","country_code":"MY","type":"education","lineage":["https://openalex.org/I130343225"]},{"id":"https://openalex.org/I4210144930","display_name":"Baoshan University","ror":"https://ror.org/04t69c375","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210144930"]}],"countries":["CN","MY"],"is_corresponding":false,"raw_author_name":"Hao Luo","raw_affiliation_strings":["Faculty of Science Computer and Information Technology, Universiti Putra Malaysia, Serdang, Selangor, Malaysia","School of Big Data, University of Baoshan, Baoshan, China"],"raw_orcid":"https://orcid.org/0000-0003-3735-6337","affiliations":[{"raw_affiliation_string":"Faculty of Science Computer and Information Technology, Universiti Putra Malaysia, Serdang, Selangor, Malaysia","institution_ids":["https://openalex.org/I130343225"]},{"raw_affiliation_string":"School of Big Data, University of Baoshan, Baoshan, China","institution_ids":["https://openalex.org/I4210144930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043837811","display_name":"Nor Azura Husin","orcid":"https://orcid.org/0000-0002-0919-4898"},"institutions":[{"id":"https://openalex.org/I130343225","display_name":"Universiti Putra Malaysia","ror":"https://ror.org/02e91jd64","country_code":"MY","type":"education","lineage":["https://openalex.org/I130343225"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Nor Azura Husin","raw_affiliation_strings":["Faculty of Science Computer and Information Technology, Universiti Putra Malaysia, Serdang, Selangor, Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Science Computer and Information Technology, Universiti Putra Malaysia, Serdang, Selangor, Malaysia","institution_ids":["https://openalex.org/I130343225"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058312314","display_name":"Teh Noranis Mohd Aris","orcid":"https://orcid.org/0000-0002-9982-6245"},"institutions":[{"id":"https://openalex.org/I130343225","display_name":"Universiti Putra Malaysia","ror":"https://ror.org/02e91jd64","country_code":"MY","type":"education","lineage":["https://openalex.org/I130343225"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Teh Noranis Mohd Aris","raw_affiliation_strings":["Faculty of Science Computer and Information Technology, Universiti Putra Malaysia, Serdang, Selangor, Malaysia"],"raw_orcid":"https://orcid.org/0000-0002-9982-6245","affiliations":[{"raw_affiliation_string":"Faculty of Science Computer and Information Technology, Universiti Putra Malaysia, Serdang, Selangor, Malaysia","institution_ids":["https://openalex.org/I130343225"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":2.5017,"has_fulltext":true,"cited_by_count":8,"citation_normalized_percentile":{"value":0.91508132,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"11","issue":null,"first_page":"9691","last_page":"9700"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9983999729156494,"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":0.9983999729156494,"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":0.9969000220298767,"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/T12292","display_name":"Graph Theory and Algorithms","score":0.9926999807357788,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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":0.631244957447052},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.5029687285423279},{"id":"https://openalex.org/keywords/hyperbolic-space","display_name":"Hyperbolic space","score":0.44571495056152344},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.41311365365982056},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.41272038221359253},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3539813160896301},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.35064566135406494},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.24865427613258362},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.209352046251297},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.13732919096946716}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.631244957447052},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.5029687285423279},{"id":"https://openalex.org/C83677898","wikidata":"https://www.wikidata.org/wiki/Q1878538","display_name":"Hyperbolic space","level":2,"score":0.44571495056152344},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.41311365365982056},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.41272038221359253},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3539813160896301},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.35064566135406494},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.24865427613258362},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.209352046251297},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.13732919096946716},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/access.2022.3232552","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3232552","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/10005208/10001755.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:psasir.upm.edu.my:109167","is_oa":false,"landing_page_url":"http://psasir.upm.edu.my/id/eprint/109167/","pdf_url":null,"source":{"id":"https://openalex.org/S4377196260","display_name":"Universiti Putra Malaysia Institutional Repository (Universiti Putra Malaysia)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I130343225","host_organization_name":"Universiti Putra Malaysia","host_organization_lineage":["https://openalex.org/I130343225"],"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":"Article"},{"id":"pmh:oai:doaj.org/article:495bbe7c30424c0399abaa7332d6fb7c","is_oa":true,"landing_page_url":"https://doaj.org/article/495bbe7c30424c0399abaa7332d6fb7c","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 11, Pp 9691-9700 (2023)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2022.3232552","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3232552","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/10005208/10001755.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Reduced inequalities","score":0.6200000047683716,"id":"https://metadata.un.org/sdg/10"}],"awards":[{"id":"https://openalex.org/G2957808699","display_name":null,"funder_award_id":"FRGS FRGS/1/2020/ICT02/UPM/02/2(08-01-20-2315FR)","funder_id":"https://openalex.org/F4320321147","funder_display_name":"Ministry of Higher Education"}],"funders":[{"id":"https://openalex.org/F4320321147","display_name":"Ministry of Higher Education","ror":"https://ror.org/0512bh102"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4313203545.pdf","grobid_xml":"https://content.openalex.org/works/W4313203545.grobid-xml"},"referenced_works_count":47,"referenced_works":["https://openalex.org/W103340358","https://openalex.org/W1806220264","https://openalex.org/W1854214752","https://openalex.org/W2075010670","https://openalex.org/W2128629010","https://openalex.org/W2605350416","https://openalex.org/W2743104969","https://openalex.org/W2798972759","https://openalex.org/W2802187397","https://openalex.org/W2842511635","https://openalex.org/W2900229157","https://openalex.org/W2951369132","https://openalex.org/W2963707260","https://openalex.org/W2996863522","https://openalex.org/W3034329572","https://openalex.org/W3035661448","https://openalex.org/W3035721489","https://openalex.org/W3036446966","https://openalex.org/W3045200674","https://openalex.org/W3097991661","https://openalex.org/W3099152386","https://openalex.org/W3100652389","https://openalex.org/W3166751026","https://openalex.org/W3201028280","https://openalex.org/W3201608083","https://openalex.org/W4205848394","https://openalex.org/W4212835176","https://openalex.org/W4251560691","https://openalex.org/W4284666445","https://openalex.org/W4292800904","https://openalex.org/W4379382506","https://openalex.org/W6600552058","https://openalex.org/W6631190155","https://openalex.org/W6639055396","https://openalex.org/W6680830989","https://openalex.org/W6726873649","https://openalex.org/W6751693566","https://openalex.org/W6754278344","https://openalex.org/W6755573351","https://openalex.org/W6760001035","https://openalex.org/W6766156693","https://openalex.org/W6767121309","https://openalex.org/W6779073920","https://openalex.org/W6779518175","https://openalex.org/W6784694379","https://openalex.org/W6805165301","https://openalex.org/W6814114727"],"related_works":["https://openalex.org/W4390273403","https://openalex.org/W4386781444","https://openalex.org/W2150182025","https://openalex.org/W3092950680","https://openalex.org/W3197542405","https://openalex.org/W2056712470","https://openalex.org/W3125580266","https://openalex.org/W4288390103","https://openalex.org/W4317039510","https://openalex.org/W4238861846"],"abstract_inverted_index":{"As":[0],"Massive":[1],"Open":[2],"Online":[3],"Courses":[4],"(MOOCs)":[5],"expand":[6],"and":[7,10,26,35,115,121,131,140,180,185],"diversify,":[8],"more":[9,11],"researchers":[12],"study":[13],"recommender":[14],"systems":[15],"that":[16,173],"take":[17,47],"advantage":[18],"of":[19,77,138,188],"interaction":[20],"data":[21,69],"to":[22,82,112,128,159,190],"keep":[23],"students":[24],"interested":[25],"boost":[27],"their":[28],"performance.":[29],"In":[30],"a":[31,40,74,103,167],"typical":[32],"roadmap,":[33],"courses":[34],"videos":[36],"are":[37],"recommended":[38],"using":[39],"graph":[41,61,95,139,155],"model,":[42],"but":[43],"this":[44],"does":[45],"not":[46],"into":[48],"account":[49],"the":[50,68,142,150,174],"user\u2019s":[51],"learning":[52],"needs":[53],"with":[54],"some":[55],"particular":[56],"subjects.":[57],"However,":[58],"all":[59],"existing":[60],"models":[62],"degrade":[63],"performances":[64],"either":[65],"by":[66,73,86],"ignoring":[67],"sparsity":[70],"issue":[71],"caused":[72],"large":[75],"number":[76],"concepts,":[78],"which":[79,91],"may":[80,92],"lead":[81],"biased":[83],"recommendations,":[84],"or":[85],"constructing":[87],"improper":[88],"contrasting":[89],"pairs,":[90],"result":[93],"in":[94,154],"noise.":[96],"To":[97],"overcome":[98],"both":[99],"challenges,":[100],"we":[101,148],"propose":[102],"gRaph":[104],"cOntrastiveMulti-view":[105],"framEwork":[106],"(ROME)":[107],"from":[108],"hyperbolic":[109,130],"angular":[110,151],"space":[111,133],"learn":[113],"user":[114],"concept":[116],"representations":[117,134],"based":[118],"on":[119,166],"user-user":[120],"concept-concept":[122],"relationships.":[123],"The":[124],"first":[125],"step":[126],"is":[127],"use":[129],"Euclidean":[132],"as":[135],"different":[136],"views":[137],"maximize":[141,149],"mutual":[143],"information":[144],"between":[145],"them.":[146],"Furthermore,":[147],"decision":[152],"margin":[153],"contrastive":[156],"training":[157],"objects":[158],"enhance":[160],"pairwise":[161],"discriminative":[162],"power.":[163],"Our":[164],"experiments":[165],"large-scale":[168],"real-world":[169],"MOOC":[170],"dataset":[171],"show":[172],"proposed":[175],"approach":[176],"outperforms":[177],"several":[178],"baselines":[179],"state-of-the-art":[181],"methods":[182],"for":[183],"predicting":[184],"recommending":[186],"concepts":[187],"interest":[189],"users.":[191]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":1}],"updated_date":"2026-08-05T07:39:15.569665","created_date":"2025-10-10T00:00:00"}