{"id":"https://openalex.org/W2026969803","doi":"https://doi.org/10.1145/1639714.1639727","title":"TagiCoFi","display_name":"TagiCoFi","publication_year":2009,"publication_date":"2009-10-23","ids":{"openalex":"https://openalex.org/W2026969803","doi":"https://doi.org/10.1145/1639714.1639727","mag":"2026969803"},"language":"en","primary_location":{"id":"doi:10.1145/1639714.1639727","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1639714.1639727","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the third 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/A5010811494","display_name":"Zhen Yi","orcid":"https://orcid.org/0009-0009-8034-7170"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Yi Zhen","raw_affiliation_strings":["Hong Kong University of Science and Technology, Hong Kong, Hong Kong","Hong Kong University Of Science And Technology, Hong Kong, Hong Kong"],"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology, Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University Of Science And Technology, Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000767481","display_name":"Wujun Li","orcid":"https://orcid.org/0000-0002-8471-9324"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Wu-Jun Li","raw_affiliation_strings":["Hong Kong University of Science and Technology, Hong Kong, Hong Kong","Hong Kong University Of Science And Technology, Hong Kong, Hong Kong"],"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology, Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University Of Science And Technology, Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073139380","display_name":"Dit\u2010Yan Yeung","orcid":"https://orcid.org/0000-0003-3716-8125"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Dit-Yan Yeung","raw_affiliation_strings":["Hong Kong University of Science and Technology, Hong Kong, Hong Kong","Hong Kong University Of Science And Technology, Hong Kong, Hong Kong"],"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology, Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University Of Science And Technology, Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5010811494"],"corresponding_institution_ids":["https://openalex.org/I200769079"],"apc_list":null,"apc_paid":null,"fwci":31.8284,"has_fulltext":false,"cited_by_count":145,"citation_normalized_percentile":{"value":0.99575565,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"69","last_page":"76"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":1.0,"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":1.0,"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/T13274","display_name":"Expert finding and Q&A systems","score":0.9366000294685364,"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":0.9168000221252441,"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/recommender-system","display_name":"Recommender system","score":0.8998472094535828},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8669952154159546},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.8143531680107117},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.686523973941803},{"id":"https://openalex.org/keywords/information-filtering-system","display_name":"Information filtering system","score":0.5234205722808838},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.3778527081012726}],"concepts":[{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.8998472094535828},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8669952154159546},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.8143531680107117},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.686523973941803},{"id":"https://openalex.org/C178674793","wikidata":"https://www.wikidata.org/wiki/Q6031077","display_name":"Information filtering system","level":2,"score":0.5234205722808838},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.3778527081012726}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/1639714.1639727","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1639714.1639727","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the third ACM conference on Recommender systems","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-19202","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-19202","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":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320309636","display_name":"University of Minnesota","ror":"https://ror.org/03grvy078"},{"id":"https://openalex.org/F4320323537","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W178169250","https://openalex.org/W1493526108","https://openalex.org/W1544449255","https://openalex.org/W1578099820","https://openalex.org/W1978394996","https://openalex.org/W1982895893","https://openalex.org/W1994389483","https://openalex.org/W2005422315","https://openalex.org/W2020791669","https://openalex.org/W2026844232","https://openalex.org/W2042281163","https://openalex.org/W2043403353","https://openalex.org/W2064173066","https://openalex.org/W2067634822","https://openalex.org/W2085937320","https://openalex.org/W2094782448","https://openalex.org/W2110325612","https://openalex.org/W2114822471","https://openalex.org/W2127480961","https://openalex.org/W2137245235","https://openalex.org/W2150449434","https://openalex.org/W2155106456","https://openalex.org/W2158515176","https://openalex.org/W2159094788","https://openalex.org/W2167143366","https://openalex.org/W2171960770","https://openalex.org/W2341535507","https://openalex.org/W2595233870","https://openalex.org/W2990138404","https://openalex.org/W4232980324","https://openalex.org/W4243187700"],"related_works":["https://openalex.org/W4220714703","https://openalex.org/W2735929803","https://openalex.org/W2170391450","https://openalex.org/W3008845055","https://openalex.org/W2041004656","https://openalex.org/W4376854386","https://openalex.org/W1966742602","https://openalex.org/W2772628444","https://openalex.org/W2098758514","https://openalex.org/W1484355083"],"abstract_inverted_index":{"Besides":[0],"the":[1,13,20,34,44,66,83,107,120],"rating":[2],"information,":[3],"an":[4],"increasing":[5],"number":[6],"of":[7],"modern":[8],"recommender":[9,53,70],"systems":[10,54,71],"also":[11],"allow":[12],"users":[14],"to":[15,19,60,64,81,101],"add":[16],"personalized":[17],"tags":[18,45],"items.":[21],"Such":[22],"tagging":[23,62,79,104,121],"information":[24,29,63,80,105,122],"may":[25],"provide":[26],"very":[27],"useful":[28],"for":[30],"item":[31,84],"recommendation,":[32],"because":[33],"users'":[35],"interests":[36],"in":[37],"items":[38],"can":[39],"be":[40],"implicitly":[41],"reflected":[42],"by":[43],"that":[46,113],"they":[47],"often":[48],"use.":[49],"Although":[50],"some":[51],"content-based":[52],"have":[55,77],"made":[56],"preliminary":[57],"attempts":[58],"recently":[59],"utilize":[61],"improve":[65],"recommendation":[67,85],"performance,":[68],"few":[69],"based":[72],"on":[73],"collaborative":[74,98],"filtering":[75,99],"(CF)":[76],"employed":[78],"help":[82],"procedure.":[86,109],"In":[87],"this":[88],"paper,":[89],"we":[90],"propose":[91],"a":[92],"novel":[93],"framework,":[94],"called":[95],"tag":[96],"informed":[97],"(TagiCoFi),":[100],"seamlessly":[102],"integrate":[103],"into":[106],"CF":[108],"Experimental":[110],"results":[111],"demonstrate":[112],"TagiCoFi":[114],"outperforms":[115],"its":[116],"counterpart":[117],"which":[118],"discards":[119],"even":[123],"when":[124],"it":[125],"is":[126],"available,":[127],"and":[128],"achieves":[129],"state-of-the-art":[130],"performance.":[131]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":8},{"year":2018,"cited_by_count":13},{"year":2017,"cited_by_count":8},{"year":2016,"cited_by_count":10},{"year":2015,"cited_by_count":14},{"year":2014,"cited_by_count":8},{"year":2013,"cited_by_count":15},{"year":2012,"cited_by_count":11}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2016-06-24T00:00:00"}