{"id":"https://openalex.org/W4221058809","doi":"https://doi.org/10.1145/3487553.3524674","title":"Towards Analyzing the Bias of News Recommender Systems Using Sentiment and Stance Detection","display_name":"Towards Analyzing the Bias of News Recommender Systems Using Sentiment and Stance Detection","publication_year":2022,"publication_date":"2022-04-25","ids":{"openalex":"https://openalex.org/W4221058809","doi":"https://doi.org/10.1145/3487553.3524674"},"language":"en","primary_location":{"id":"doi:10.1145/3487553.3524674","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3487553.3524674","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3487553.3524674","source":{"id":"https://openalex.org/S4363608846","display_name":"Companion Proceedings of the Web Conference 2022","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":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Companion Proceedings of the Web Conference 2022","raw_type":"proceedings-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3487553.3524674","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009026163","display_name":"Mehwish Alam","orcid":"https://orcid.org/0000-0002-7867-6612"},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"education","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]},{"id":"https://openalex.org/I158675288","display_name":"FIZ Karlsruhe \u2013 Leibniz Institute for Information Infrastructure","ror":"https://ror.org/0387prb75","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I158675288","https://openalex.org/I315704651"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Mehwish Alam","raw_affiliation_strings":["FIZ Karlsruhe, Germany and Karlsruhe Institute of Technology, Germany"],"affiliations":[{"raw_affiliation_string":"FIZ Karlsruhe, Germany and Karlsruhe Institute of Technology, Germany","institution_ids":["https://openalex.org/I158675288","https://openalex.org/I102335020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079358073","display_name":"Andreea Iana","orcid":"https://orcid.org/0000-0002-7248-7503"},"institutions":[{"id":"https://openalex.org/I177802217","display_name":"University of Mannheim","ror":"https://ror.org/031bsb921","country_code":"DE","type":"education","lineage":["https://openalex.org/I177802217"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Andreea Iana","raw_affiliation_strings":["University of Mannheim, Germany"],"affiliations":[{"raw_affiliation_string":"University of Mannheim, Germany","institution_ids":["https://openalex.org/I177802217"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045150447","display_name":"Alexander Grote","orcid":null},"institutions":[{"id":"https://openalex.org/I143379178","display_name":"FZI Research Center for Information Technology","ror":"https://ror.org/04kdh6x72","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I143379178"]},{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"education","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Alexander Grote","raw_affiliation_strings":["FZI Forschungszentrum Informatik, Germany and Karlsruhe Institute of Technology, Germany"],"affiliations":[{"raw_affiliation_string":"FZI Forschungszentrum Informatik, Germany and Karlsruhe Institute of Technology, Germany","institution_ids":["https://openalex.org/I143379178","https://openalex.org/I102335020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089298278","display_name":"Katharina Ludwig","orcid":"https://orcid.org/0000-0001-9815-7222"},"institutions":[{"id":"https://openalex.org/I177802217","display_name":"University of Mannheim","ror":"https://ror.org/031bsb921","country_code":"DE","type":"education","lineage":["https://openalex.org/I177802217"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Katharina Ludwig","raw_affiliation_strings":["University of Mannheim, Germany"],"affiliations":[{"raw_affiliation_string":"University of Mannheim, Germany","institution_ids":["https://openalex.org/I177802217"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032734171","display_name":"Philipp M\u00fcller","orcid":"https://orcid.org/0000-0002-5351-0608"},"institutions":[{"id":"https://openalex.org/I177802217","display_name":"University of Mannheim","ror":"https://ror.org/031bsb921","country_code":"DE","type":"education","lineage":["https://openalex.org/I177802217"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Philipp M\u00fcller","raw_affiliation_strings":["University of Mannheim, Germany"],"affiliations":[{"raw_affiliation_string":"University of Mannheim, Germany","institution_ids":["https://openalex.org/I177802217"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040542771","display_name":"Heiko Paulheim","orcid":null},"institutions":[{"id":"https://openalex.org/I177802217","display_name":"University of Mannheim","ror":"https://ror.org/031bsb921","country_code":"DE","type":"education","lineage":["https://openalex.org/I177802217"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Heiko Paulheim","raw_affiliation_strings":["University of Mannheim, Germany"],"affiliations":[{"raw_affiliation_string":"University of Mannheim, Germany","institution_ids":["https://openalex.org/I177802217"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5009026163"],"corresponding_institution_ids":["https://openalex.org/I102335020","https://openalex.org/I158675288"],"apc_list":null,"apc_paid":null,"fwci":6.7394,"has_fulltext":true,"cited_by_count":24,"citation_normalized_percentile":{"value":0.96787149,"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":"448","last_page":"457"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11147","display_name":"Misinformation and Its Impacts","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11147","display_name":"Misinformation and Its Impacts","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10664","display_name":"Sentiment Analysis and Opinion Mining","score":0.9991999864578247,"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/T11644","display_name":"Spam and Phishing Detection","score":0.9990000128746033,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.8909471035003662},{"id":"https://openalex.org/keywords/information-overload","display_name":"Information overload","score":0.8138728737831116},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8123813271522522},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.5781593322753906},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.5540010929107666},{"id":"https://openalex.org/keywords/sentiment-analysis","display_name":"Sentiment analysis","score":0.534868061542511},{"id":"https://openalex.org/keywords/diversity","display_name":"Diversity (politics)","score":0.48361340165138245},{"id":"https://openalex.org/keywords/vulnerability","display_name":"Vulnerability (computing)","score":0.4196584224700928},{"id":"https://openalex.org/keywords/topic-model","display_name":"Topic model","score":0.41142377257347107},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.34671539068222046},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.31715092062950134},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2855643033981323},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.07716843485832214}],"concepts":[{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.8909471035003662},{"id":"https://openalex.org/C186625053","wikidata":"https://www.wikidata.org/wiki/Q1130191","display_name":"Information overload","level":2,"score":0.8138728737831116},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8123813271522522},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5781593322753906},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.5540010929107666},{"id":"https://openalex.org/C66402592","wikidata":"https://www.wikidata.org/wiki/Q2271421","display_name":"Sentiment analysis","level":2,"score":0.534868061542511},{"id":"https://openalex.org/C2781316041","wikidata":"https://www.wikidata.org/wiki/Q1230584","display_name":"Diversity (politics)","level":2,"score":0.48361340165138245},{"id":"https://openalex.org/C95713431","wikidata":"https://www.wikidata.org/wiki/Q631425","display_name":"Vulnerability (computing)","level":2,"score":0.4196584224700928},{"id":"https://openalex.org/C171686336","wikidata":"https://www.wikidata.org/wiki/Q3532085","display_name":"Topic model","level":2,"score":0.41142377257347107},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.34671539068222046},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.31715092062950134},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2855643033981323},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.07716843485832214},{"id":"https://openalex.org/C19165224","wikidata":"https://www.wikidata.org/wiki/Q23404","display_name":"Anthropology","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/3487553.3524674","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3487553.3524674","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3487553.3524674","source":{"id":"https://openalex.org/S4363608846","display_name":"Companion Proceedings of the Web Conference 2022","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":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Companion Proceedings of the Web Conference 2022","raw_type":"proceedings-article"},{"id":"pmh:oai:ub-madoc.bib.uni-mannheim.de:63011","is_oa":true,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306401433","display_name":"MADOC (University of Mannheim)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I177802217","host_organization_name":"University of Mannheim","host_organization_lineage":["https://openalex.org/I177802217"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"NonPeerReviewed"},{"id":"pmh:oai:arXiv.org:2203.05824","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2203.05824","pdf_url":"https://arxiv.org/pdf/2203.05824","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"}],"best_oa_location":{"id":"doi:10.1145/3487553.3524674","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3487553.3524674","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3487553.3524674","source":{"id":"https://openalex.org/S4363608846","display_name":"Companion Proceedings of the Web Conference 2022","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":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Companion Proceedings of the Web Conference 2022","raw_type":"proceedings-article"},"sustainable_development_goals":[{"display_name":"Reduced inequalities","score":0.8100000023841858,"id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320310414","display_name":"Baden-W\u00fcrttemberg Stiftung","ror":"https://ror.org/031h5fa94"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4221058809.pdf","grobid_xml":"https://content.openalex.org/works/W4221058809.grobid-xml"},"referenced_works_count":50,"referenced_works":["https://openalex.org/W1530792080","https://openalex.org/W1583059097","https://openalex.org/W1607079589","https://openalex.org/W1614298861","https://openalex.org/W1686065478","https://openalex.org/W2041123761","https://openalex.org/W2080133951","https://openalex.org/W2126581182","https://openalex.org/W2215376118","https://openalex.org/W2333508197","https://openalex.org/W2338257848","https://openalex.org/W2345368148","https://openalex.org/W2483327705","https://openalex.org/W2494275104","https://openalex.org/W2558412209","https://openalex.org/W2572163506","https://openalex.org/W2792839191","https://openalex.org/W2805720864","https://openalex.org/W2898701693","https://openalex.org/W2900571251","https://openalex.org/W2950782805","https://openalex.org/W2953083078","https://openalex.org/W2963341956","https://openalex.org/W2970641574","https://openalex.org/W3004975108","https://openalex.org/W3011868604","https://openalex.org/W3029492690","https://openalex.org/W3031755794","https://openalex.org/W3034524234","https://openalex.org/W3045807826","https://openalex.org/W3046684368","https://openalex.org/W3093937844","https://openalex.org/W3098087397","https://openalex.org/W3106074546","https://openalex.org/W3114950584","https://openalex.org/W3116126040","https://openalex.org/W3152909003","https://openalex.org/W3154538081","https://openalex.org/W3184133963","https://openalex.org/W3205761523","https://openalex.org/W4206794154","https://openalex.org/W4230605547","https://openalex.org/W4231934124","https://openalex.org/W4239160590","https://openalex.org/W4294775229","https://openalex.org/W4297801177","https://openalex.org/W4385245566","https://openalex.org/W4391156274","https://openalex.org/W4393806589","https://openalex.org/W4412272069"],"related_works":["https://openalex.org/W4251329182","https://openalex.org/W1599110641","https://openalex.org/W1549403601","https://openalex.org/W2497510784","https://openalex.org/W4252183363","https://openalex.org/W2787177576","https://openalex.org/W2078352417","https://openalex.org/W2418053903","https://openalex.org/W2098758514","https://openalex.org/W1575740715"],"abstract_inverted_index":{"News":[0],"recommender":[1,71,104],"systems":[2,72,156],"are":[3],"used":[4],"by":[5],"online":[6],"news":[7,22,55,84],"providers":[8],"to":[9,14,18,27,32,41,63,69,171,176],"alleviate":[10],"information":[11,53],"overload":[12],"and":[13,31,44,58,65,94,122,129,140,147,160],"provide":[15],"personalized":[16],"content":[17],"users.":[19],"However,":[20],"algorithmic":[21],"curation":[23],"has":[24],"been":[25],"hypothesized":[26],"create":[28],"filter":[29],"bubbles":[30],"intensify":[33],"users\u2019":[34,158],"selective":[35],"exposure,":[36],"potentially":[37],"increasing":[38],"their":[39],"vulnerability":[40],"polarized":[42],"opinions":[43,159],"fake":[45],"news.":[46,166],"In":[47,97],"this":[48],"paper,":[49],"we":[50,79,132],"show":[51,108],"how":[52],"on":[54,86],"items\u2019":[56],"stance":[57,92,141],"sentiment":[59,95,139],"can":[60],"be":[61,172],"utilized":[62],"analyze":[64],"quantify":[66],"the":[67,87,125,138,144,148,162,173,180],"extent":[68],"which":[70,152],"suffer":[73],"from":[74],"biases.":[75],"To":[76],"that":[77,154],"end,":[78],"have":[80],"annotated":[81],"a":[82,109,134],"German":[83],"corpus":[85],"topic":[88,126],"of":[89,112,127,143,164,182],"migration":[90],"using":[91],"detection":[93],"analysis.":[96],"an":[98],"experimental":[99],"evaluation":[100],"with":[101,119],"four":[102,114],"different":[103],"systems,":[105],"our":[106],"results":[107],"slight":[110],"tendency":[111],"all":[113],"models":[115],"for":[116],"recommending":[117],"articles":[118],"negative":[120],"sentiments":[121],"stances":[123],"against":[124],"refugees":[128],"migration.":[130],"Moreover,":[131],"observed":[133],"positive":[135],"correlation":[136],"between":[137],"bias":[142],"text-based":[145],"recommenders":[146],"preexisting":[149],"user":[150],"bias,":[151],"indicates":[153],"these":[155],"amplify":[157],"decrease":[161],"diversity":[163],"recommended":[165],"The":[167],"knowledge-aware":[168],"model":[169],"appears":[170],"least":[174],"prone":[175],"such":[177],"biases,":[178],"at":[179],"cost":[181],"predictive":[183],"accuracy.":[184]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":10},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1}],"updated_date":"2026-03-24T08:02:53.985720","created_date":"2025-10-10T00:00:00"}
