{"id":"https://openalex.org/W4400770860","doi":"https://doi.org/10.1109/tcss.2024.3422074","title":"Wasserstein Dependent Graph Attention Network for Collaborative Filtering With Uncertainty","display_name":"Wasserstein Dependent Graph Attention Network for Collaborative Filtering With Uncertainty","publication_year":2024,"publication_date":"2024-07-18","ids":{"openalex":"https://openalex.org/W4400770860","doi":"https://doi.org/10.1109/tcss.2024.3422074"},"language":"en","primary_location":{"id":"doi:10.1109/tcss.2024.3422074","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcss.2024.3422074","pdf_url":null,"source":{"id":"https://openalex.org/S2490693980","display_name":"IEEE Transactions on Computational Social Systems","issn_l":"2329-924X","issn":["2329-924X","2373-7476"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Computational Social Systems","raw_type":"journal-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/A5043184915","display_name":"Haoxuan Li","orcid":"https://orcid.org/0009-0006-8815-2528"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Haoxuan Li","raw_affiliation_strings":["Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, and School of Computer Science and Engineering, Beihang University, Beijing, China","Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, School of Computer Science and Engineering, Beihang University, Beijing, China"],"raw_orcid":"https://orcid.org/0009-0006-8815-2528","affiliations":[{"raw_affiliation_string":"Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, and School of Computer Science and Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, School of Computer Science and Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100627876","display_name":"Yuanxin Ouyang","orcid":"https://orcid.org/0000-0002-8687-9129"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuanxin Ouyang","raw_affiliation_strings":["Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, and School of Computer Science and Engineering, Beihang University, Beijing, China","Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, School of Computer Science and Engineering, Beihang University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-3329-3906","affiliations":[{"raw_affiliation_string":"Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, and School of Computer Science and Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, School of Computer Science and Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100452088","display_name":"Zhuang Liu","orcid":"https://orcid.org/0000-0001-6149-9667"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhuang Liu","raw_affiliation_strings":["Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, and School of Computer Science and Engineering, Beihang University, Beijing, China","Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, School of Computer Science and Engineering, Beihang University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-6149-9667","affiliations":[{"raw_affiliation_string":"Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, and School of Computer Science and Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, School of Computer Science and Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055420596","display_name":"Wenge Rong","orcid":"https://orcid.org/0000-0002-4229-7215"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenge Rong","raw_affiliation_strings":["Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, and School of Computer Science and Engineering, Beihang University, Beijing, China","Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, School of Computer Science and Engineering, Beihang University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-4229-7215","affiliations":[{"raw_affiliation_string":"Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, and School of Computer Science and Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, School of Computer Science and Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100442123","display_name":"Zhang Xiong","orcid":"https://orcid.org/0000-0002-9421-1014"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhang Xiong","raw_affiliation_strings":["Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, and School of Computer Science and Engineering, Beihang University, Beijing, China","Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, School of Computer Science and Engineering, Beihang University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-9421-1014","affiliations":[{"raw_affiliation_string":"Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, and School of Computer Science and Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Engineering Research Center of Advanced Computer Application Technology, Ministry of Education, School of Computer Science and Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5043184915"],"corresponding_institution_ids":["https://openalex.org/I82880672"],"apc_list":null,"apc_paid":null,"fwci":0.6579,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.73753817,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":96},"biblio":{"volume":"12","issue":"1","first_page":"152","last_page":"162"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12761","display_name":"Data Stream Mining Techniques","score":0.8726000189781189,"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"}},"topics":[{"id":"https://openalex.org/T12761","display_name":"Data Stream Mining Techniques","score":0.8726000189781189,"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/T10203","display_name":"Recommender Systems and Techniques","score":0.8669999837875366,"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/T12120","display_name":"Air Quality Monitoring and Forecasting","score":0.8101999759674072,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental 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":0.5224555730819702},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4787704050540924},{"id":"https://openalex.org/keywords/graph-theory","display_name":"Graph theory","score":0.42421725392341614},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.36556771397590637},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.33108997344970703},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.29603976011276245},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.15845686197280884}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5224555730819702},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4787704050540924},{"id":"https://openalex.org/C88230418","wikidata":"https://www.wikidata.org/wiki/Q131476","display_name":"Graph theory","level":2,"score":0.42421725392341614},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.36556771397590637},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33108997344970703},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.29603976011276245},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.15845686197280884}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcss.2024.3422074","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcss.2024.3422074","pdf_url":null,"source":{"id":"https://openalex.org/S2490693980","display_name":"IEEE Transactions on Computational Social Systems","issn_l":"2329-924X","issn":["2329-924X","2373-7476"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Computational Social Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G432556413","display_name":null,"funder_award_id":"62377002","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W2036308924","https://openalex.org/W2054141820","https://openalex.org/W2073587810","https://openalex.org/W2605350416","https://openalex.org/W2739749877","https://openalex.org/W2740920897","https://openalex.org/W2945827670","https://openalex.org/W3040766084","https://openalex.org/W3045200674","https://openalex.org/W3081410692","https://openalex.org/W3177085497","https://openalex.org/W3206127589","https://openalex.org/W3209495512","https://openalex.org/W4224315226","https://openalex.org/W4367047287","https://openalex.org/W4367841633","https://openalex.org/W4389002885","https://openalex.org/W4389675217","https://openalex.org/W6631190155","https://openalex.org/W6678984984","https://openalex.org/W6680451568","https://openalex.org/W6680830989","https://openalex.org/W6726873649","https://openalex.org/W6741832134","https://openalex.org/W6746313456","https://openalex.org/W6754822074","https://openalex.org/W6755987414","https://openalex.org/W6760503277","https://openalex.org/W6766130793","https://openalex.org/W6779331008","https://openalex.org/W6784856447","https://openalex.org/W6844194202"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W4385627933","https://openalex.org/W2532801570","https://openalex.org/W2480127678","https://openalex.org/W2806270048","https://openalex.org/W4310605282"],"abstract_inverted_index":{"Collaborative":[0],"filtering":[1,109],"(CF)":[2],"is":[3,43],"an":[4,85],"essential":[5],"technique":[6],"in":[7,30,69,166],"recommender":[8,57],"systems":[9],"that":[10],"provides":[11],"personalized":[12],"recommendations":[13],"by":[14,75,169],"only":[15],"leveraging":[16],"user-item":[17],"interactions.":[18],"However,":[19],"most":[20],"CF":[21],"methods":[22],"represent":[23],"users":[24],"and":[25,72,83,115,125,176],"items":[26],"as":[27],"fixed":[28],"points":[29],"the":[31,35,65,70,100,137,149,162,171],"latent":[32],"space,":[33],"lacking":[34],"ability":[36],"to":[37,45,55,118,135,154],"capture":[38],"uncertainty.":[39,111],"While":[40],"probabilistic":[41],"embedding":[42,121],"proposed":[44],"intergrate":[46],"uncertainty,":[47],"they":[48],"suffer":[49],"from":[50,80],"several":[51,155],"limitations":[52],"when":[53],"introduced":[54],"graph-based":[56],"systems.":[58],"Graph":[59,103],"convolutional":[60],"network":[61,105],"framework":[62],"would":[63],"confuse":[64],"semantic":[66],"of":[67,88,151,164,173],"uncertainty":[68,168],"nodes,":[71],"similarity":[73,138],"measured":[74],"Kullback\u2013Leibler":[76],"(KL)":[77],"divergence":[78],"suffers":[79],"degradation":[81],"problem":[82],"demands":[84],"exponential":[86],"number":[87],"samples.":[89],"To":[90],"address":[91],"these":[92],"challenges,":[93],"we":[94],"propose":[95],"a":[96],"novel":[97],"approach,":[98],"called":[99],"Wasserstein":[101,116],"dependent":[102],"ATtention":[104],"(W-GAT),":[106],"for":[107,122],"collaborative":[108],"with":[110,179],"We":[112],"utilize":[113],"GAT":[114],"distance":[117],"learn":[119],"Gaussian":[120],"each":[123],"user":[124,174],"item.":[126],"Additionally,":[127],"our":[128],"method":[129],"incorporates":[130],"Wasserstein-dependent":[131],"mutual":[132],"information":[133],"further":[134],"increase":[136],"between":[139],"positive":[140],"pairs.":[141],"Experimental":[142],"results":[143],"on":[144],"three":[145],"benchmark":[146],"datasets":[147],"show":[148],"superiority":[150],"W-GAT":[152,165],"compared":[153],"representative":[156],"baselines.":[157],"Extensive":[158],"experimental":[159],"analysis":[160],"validates":[161],"effectiveness":[163],"capturing":[167],"modeling":[170],"range":[172],"preferences":[175],"categories":[177],"associated":[178],"items.":[180]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2026-05-03T08:25:01.440150","created_date":"2025-10-10T00:00:00"}
