{"id":"https://openalex.org/W2070714069","doi":"https://doi.org/10.1145/1639714.1639724","title":"The impact of ambiguity and redundancy on tag recommendation in folksonomies","display_name":"The impact of ambiguity and redundancy on tag recommendation in folksonomies","publication_year":2009,"publication_date":"2009-10-23","ids":{"openalex":"https://openalex.org/W2070714069","doi":"https://doi.org/10.1145/1639714.1639724","mag":"2070714069"},"language":"en","primary_location":{"id":"doi:10.1145/1639714.1639724","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1639714.1639724","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/A5027667913","display_name":"Jonathan Gemmell","orcid":null},"institutions":[{"id":"https://openalex.org/I118353179","display_name":"DePaul University","ror":"https://ror.org/04xtx5t16","country_code":"US","type":"education","lineage":["https://openalex.org/I118353179"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jonathan Gemmell","raw_affiliation_strings":["DePaul University, Chicago, IL, USA","DePaul University , Chicago , IL , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DePaul University, Chicago, IL, USA","institution_ids":["https://openalex.org/I118353179"]},{"raw_affiliation_string":"DePaul University , Chicago , IL , USA","institution_ids":["https://openalex.org/I118353179"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101820168","display_name":"Maryam Ramezani","orcid":"https://orcid.org/0000-0001-5044-2526"},"institutions":[{"id":"https://openalex.org/I118353179","display_name":"DePaul University","ror":"https://ror.org/04xtx5t16","country_code":"US","type":"education","lineage":["https://openalex.org/I118353179"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Maryam Ramezani","raw_affiliation_strings":["DePaul University, Chicago, IL, USA","DePaul University , Chicago , IL , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DePaul University, Chicago, IL, USA","institution_ids":["https://openalex.org/I118353179"]},{"raw_affiliation_string":"DePaul University , Chicago , IL , USA","institution_ids":["https://openalex.org/I118353179"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039985211","display_name":"Thomas Schimoler","orcid":null},"institutions":[{"id":"https://openalex.org/I118353179","display_name":"DePaul University","ror":"https://ror.org/04xtx5t16","country_code":"US","type":"education","lineage":["https://openalex.org/I118353179"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Thomas Schimoler","raw_affiliation_strings":["DePaul University, Chicago, IL, USA","DePaul University , Chicago , IL , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DePaul University, Chicago, IL, USA","institution_ids":["https://openalex.org/I118353179"]},{"raw_affiliation_string":"DePaul University , Chicago , IL , USA","institution_ids":["https://openalex.org/I118353179"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006634829","display_name":"Laura Christiansen","orcid":null},"institutions":[{"id":"https://openalex.org/I118353179","display_name":"DePaul University","ror":"https://ror.org/04xtx5t16","country_code":"US","type":"education","lineage":["https://openalex.org/I118353179"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Laura Christiansen","raw_affiliation_strings":["DePaul University, Chicago, IL, USA","DePaul University , Chicago , IL , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DePaul University, Chicago, IL, USA","institution_ids":["https://openalex.org/I118353179"]},{"raw_affiliation_string":"DePaul University , Chicago , IL , USA","institution_ids":["https://openalex.org/I118353179"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082580430","display_name":"Bamshad Mobasher","orcid":"https://orcid.org/0000-0001-9701-9178"},"institutions":[{"id":"https://openalex.org/I118353179","display_name":"DePaul University","ror":"https://ror.org/04xtx5t16","country_code":"US","type":"education","lineage":["https://openalex.org/I118353179"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Bamshad Mobasher","raw_affiliation_strings":["DePaul University, Chicago, IL, USA","DePaul University , Chicago , IL , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DePaul University, Chicago, IL, USA","institution_ids":["https://openalex.org/I118353179"]},{"raw_affiliation_string":"DePaul University , Chicago , IL , USA","institution_ids":["https://openalex.org/I118353179"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I118353179"],"apc_list":null,"apc_paid":null,"fwci":16.3105,"has_fulltext":false,"cited_by_count":32,"citation_normalized_percentile":{"value":0.98842301,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"45","last_page":"52"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9993000030517578,"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":0.9993000030517578,"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/T12016","display_name":"Web Data Mining and Analysis","score":0.9908000230789185,"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/T10064","display_name":"Complex Network Analysis Techniques","score":0.9905999898910522,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ambiguity","display_name":"Ambiguity","score":0.8949012756347656},{"id":"https://openalex.org/keywords/redundancy","display_name":"Redundancy (engineering)","score":0.8319065570831299},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8205438852310181},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.6352734565734863},{"id":"https://openalex.org/keywords/popularity","display_name":"Popularity","score":0.6181825399398804},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.5392462611198425},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.46624937653541565},{"id":"https://openalex.org/keywords/annotation","display_name":"Annotation","score":0.44442182779312134},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.4397003650665283},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.37157636880874634},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3525073528289795},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.26108914613723755}],"concepts":[{"id":"https://openalex.org/C2780522230","wikidata":"https://www.wikidata.org/wiki/Q1140419","display_name":"Ambiguity","level":2,"score":0.8949012756347656},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.8319065570831299},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8205438852310181},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.6352734565734863},{"id":"https://openalex.org/C2780586970","wikidata":"https://www.wikidata.org/wiki/Q1357284","display_name":"Popularity","level":2,"score":0.6181825399398804},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.5392462611198425},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.46624937653541565},{"id":"https://openalex.org/C2776321320","wikidata":"https://www.wikidata.org/wiki/Q857525","display_name":"Annotation","level":2,"score":0.44442182779312134},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.4397003650665283},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.37157636880874634},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3525073528289795},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.26108914613723755},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/1639714.1639724","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1639714.1639724","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:CiteSeerX.psu:10.1.1.586.6779","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.586.6779","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://josquin.cs.depaul.edu/~mramezani/papers/2009recsys.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Partnerships for the goals","id":"https://metadata.un.org/sdg/17","score":0.4099999964237213}],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W34018906","https://openalex.org/W1489714516","https://openalex.org/W1549014378","https://openalex.org/W1549874165","https://openalex.org/W1576629314","https://openalex.org/W1583639061","https://openalex.org/W1757689598","https://openalex.org/W1979183039","https://openalex.org/W2034631373","https://openalex.org/W2066636486","https://openalex.org/W2104713579","https://openalex.org/W2114281505","https://openalex.org/W2117059686","https://openalex.org/W2140001812","https://openalex.org/W2150593711","https://openalex.org/W2150986899","https://openalex.org/W2167699886","https://openalex.org/W2171419509","https://openalex.org/W6629393449","https://openalex.org/W6634819606","https://openalex.org/W6658975641","https://openalex.org/W6779674110"],"related_works":["https://openalex.org/W2772628444","https://openalex.org/W1484355083","https://openalex.org/W4220714703","https://openalex.org/W2098758514","https://openalex.org/W2735929803","https://openalex.org/W3008845055","https://openalex.org/W2170391450","https://openalex.org/W4376854386","https://openalex.org/W2202724490","https://openalex.org/W2508671622"],"abstract_inverted_index":{"Collaborative":[0],"tagging":[1,19,23],"applications":[2,20],"have":[3,44],"become":[4],"a":[5,30,128],"popular":[6],"tool":[7],"allowing":[8],"Internet":[9],"users":[10],"to":[11,82,89,131],"manage":[12],"online":[13],"resources":[14],"with":[15,76],"tags.":[16,67],"Most":[17],"collaborative":[18,119],"permit":[21],"unsupervised":[22],"resulting":[24],"in":[25,28,40],"tag":[26,32,38,52,110,113],"ambiguity":[27,101,133],"which":[29,41],"single":[31],"has":[33],"many":[34],"different":[35],"meanings":[36],"and":[37,69,102,107,121,134,136],"redundancy":[39,70,103,135],"several":[42],"tags":[43,60],"the":[45,56,63,74,105],"same":[46],"meaning.":[47],"Common":[48],"metrics":[49],"for":[50],"evaluating":[51],"recommenders":[53],"may":[54,71],"overestimate":[55],"utility":[57],"of":[58,65,109],"ambiguous":[59],"or":[61,86],"ignore":[62],"appropriateness":[64],"redundant":[66],"Ambiguity":[68],"even":[72],"burden":[73],"user":[75],"additional":[77],"effort":[78],"by":[79],"requiring":[80],"them":[81,88],"clarify":[83],"an":[84],"annotation":[85],"forcing":[87],"distinguish":[90],"between":[91],"highly":[92],"related":[93],"items.":[94],"In":[95],"this":[96],"paper":[97],"we":[98],"demonstrate":[99],"that":[100],"impede":[104],"evaluation":[106,139],"performance":[108],"recommenders.":[111],"Five":[112],"recommendation":[114],"strategies":[115],"based":[116],"on":[117,140],"popularity,":[118],"filtering":[120],"link":[122],"analysis":[123],"are":[124],"explored.":[125],"We":[126],"use":[127],"cluster-based":[129],"approach":[130],"define":[132],"provide":[137],"extensive":[138],"three":[141],"real":[142],"world":[143],"datasets.":[144]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":9}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}
