{"id":"https://openalex.org/W4412861589","doi":"https://doi.org/10.1093/comnet/cnaf020","title":"From chambers to echo chambers: quantifying polarization with a second-neighbor approach applied to Twitter\u2019s climate discussion","display_name":"From chambers to echo chambers: quantifying polarization with a second-neighbor approach applied to Twitter\u2019s climate discussion","publication_year":2025,"publication_date":"2025-06-26","ids":{"openalex":"https://openalex.org/W4412861589","doi":"https://doi.org/10.1093/comnet/cnaf020"},"language":"en","primary_location":{"id":"doi:10.1093/comnet/cnaf020","is_oa":false,"landing_page_url":"https://doi.org/10.1093/comnet/cnaf020","pdf_url":null,"source":{"id":"https://openalex.org/S2531583244","display_name":"Journal of Complex Networks","issn_l":"2051-1310","issn":["2051-1310","2051-1329"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Complex Networks","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/A5086259064","display_name":"Blas Kolic","orcid":"https://orcid.org/0000-0003-3175-4254"},"institutions":[{"id":"https://openalex.org/I4210108151","display_name":"Institute for New Economic Thinking","ror":"https://ror.org/01je3h843","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I4210108151"]},{"id":"https://openalex.org/I50357001","display_name":"Universidad Carlos III de Madrid","ror":"https://ror.org/03ths8210","country_code":"ES","type":"education","lineage":["https://openalex.org/I50357001"]}],"countries":["ES","US"],"is_corresponding":true,"raw_author_name":"Blas Kolic","raw_affiliation_strings":["Institute for New Economic Thinking at the Oxford Martin School, University of Oxford , Manor Road Building, Manor Rd , Oxford, OX1 3UQ,","uc3m-Santander Big Data Institute, Universidad Carlos III de Madrid , Calle Madrid, 135 , Getafe (Madrid), 28903,"],"affiliations":[{"raw_affiliation_string":"Institute for New Economic Thinking at the Oxford Martin School, University of Oxford , Manor Road Building, Manor Rd , Oxford, OX1 3UQ,","institution_ids":["https://openalex.org/I4210108151"]},{"raw_affiliation_string":"uc3m-Santander Big Data Institute, Universidad Carlos III de Madrid , Calle Madrid, 135 , Getafe (Madrid), 28903,","institution_ids":["https://openalex.org/I50357001"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068624536","display_name":"Fabi\u00e1n Aguirre-L\u00f3pez","orcid":"https://orcid.org/0000-0002-6418-8802"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I277688954","display_name":"Universit\u00e9 Paris-Saclay","ror":"https://ror.org/03xjwb503","country_code":"FR","type":"education","lineage":["https://openalex.org/I277688954"]},{"id":"https://openalex.org/I142476485","display_name":"\u00c9cole Polytechnique","ror":"https://ror.org/05hy3tk52","country_code":"FR","type":"education","lineage":["https://openalex.org/I142476485","https://openalex.org/I4210145102"]},{"id":"https://openalex.org/I4210139461","display_name":"Laboratoire d'Informatique de l'\u00c9cole Polytechnique","ror":"https://ror.org/04afed728","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1326498283","https://openalex.org/I142476485","https://openalex.org/I4210139461","https://openalex.org/I4210145102","https://openalex.org/I4210159245"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Fabi\u00e1n Aguirre-L\u00f3pez","raw_affiliation_strings":["Chair of Econophysics and Complex Systems, \u00c9cole Polytechnique , Av. Becquerel , Palaiseau, 91128,","LPTMS, CNRS, Universit\u00e9 Paris-Saclay , rue Andr\u00e9 Rivi\u00e8re 530 , Orsay, 91405,","LadHyX UMR CNRS 7646, \u00c9cole Polytechnique , Av. Bequerel , Palaiseau, 91128,"],"affiliations":[{"raw_affiliation_string":"Chair of Econophysics and Complex Systems, \u00c9cole Polytechnique , Av. Becquerel , Palaiseau, 91128,","institution_ids":["https://openalex.org/I142476485"]},{"raw_affiliation_string":"LPTMS, CNRS, Universit\u00e9 Paris-Saclay , rue Andr\u00e9 Rivi\u00e8re 530 , Orsay, 91405,","institution_ids":["https://openalex.org/I277688954","https://openalex.org/I1294671590"]},{"raw_affiliation_string":"LadHyX UMR CNRS 7646, \u00c9cole Polytechnique , Av. Bequerel , Palaiseau, 91128,","institution_ids":["https://openalex.org/I142476485","https://openalex.org/I4210139461"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091594303","display_name":"Sergio Hern\u00e1ndez-Williams","orcid":null},"institutions":[{"id":"https://openalex.org/I4210153117","display_name":"Miguel de Cervantes Health Care Centre","ror":"https://ror.org/04sgvk352","country_code":"ES","type":"healthcare","lineage":["https://openalex.org/I4210153117"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Sergio Hern\u00e1ndez-Williams","raw_affiliation_strings":["Sinnia , Blvd. Miguel de Cervantes Saavedra 169-PH-123 , Mexico City, 11520,"],"affiliations":[{"raw_affiliation_string":"Sinnia , Blvd. Miguel de Cervantes Saavedra 169-PH-123 , Mexico City, 11520,","institution_ids":["https://openalex.org/I4210153117"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068642835","display_name":"Guillermo Gardu\u00f1o-Hern\u00e1ndez","orcid":null},"institutions":[{"id":"https://openalex.org/I4210153117","display_name":"Miguel de Cervantes Health Care Centre","ror":"https://ror.org/04sgvk352","country_code":"ES","type":"healthcare","lineage":["https://openalex.org/I4210153117"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Guillermo Gardu\u00f1o-Hern\u00e1ndez","raw_affiliation_strings":["Sinnia , Blvd. Miguel de Cervantes Saavedra 169-PH-123 , Mexico City, 11520,"],"affiliations":[{"raw_affiliation_string":"Sinnia , Blvd. Miguel de Cervantes Saavedra 169-PH-123 , Mexico City, 11520,","institution_ids":["https://openalex.org/I4210153117"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5086259064"],"corresponding_institution_ids":["https://openalex.org/I4210108151","https://openalex.org/I50357001"],"apc_list":{"value":4151,"currency":"USD","value_usd":4151},"apc_paid":null,"fwci":4.4539,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.9358703,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"13","issue":"4","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10557","display_name":"Social Media and Politics","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/3315","display_name":"Communication"},"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/T10557","display_name":"Social Media and Politics","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/3315","display_name":"Communication"},"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/T12592","display_name":"Opinion Dynamics and Social Influence","score":0.9990000128746033,"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"}},{"id":"https://openalex.org/T10064","display_name":"Complex Network Analysis Techniques","score":0.9961000084877014,"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/polarization","display_name":"Polarization (electrochemistry)","score":0.5832777619361877},{"id":"https://openalex.org/keywords/echo","display_name":"Echo (communications protocol)","score":0.5728086233139038},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5576255917549133},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.10976231098175049}],"concepts":[{"id":"https://openalex.org/C205049153","wikidata":"https://www.wikidata.org/wiki/Q2698605","display_name":"Polarization (electrochemistry)","level":2,"score":0.5832777619361877},{"id":"https://openalex.org/C2779426996","wikidata":"https://www.wikidata.org/wiki/Q18389128","display_name":"Echo (communications protocol)","level":2,"score":0.5728086233139038},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5576255917549133},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.10976231098175049},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1093/comnet/cnaf020","is_oa":false,"landing_page_url":"https://doi.org/10.1093/comnet/cnaf020","pdf_url":null,"source":{"id":"https://openalex.org/S2531583244","display_name":"Journal of Complex Networks","issn_l":"2051-1310","issn":["2051-1310","2051-1329"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Complex Networks","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Climate action","score":0.8100000023841858,"id":"https://metadata.un.org/sdg/13"}],"awards":[{"id":"https://openalex.org/G8967153835","display_name":null,"funder_award_id":"454941","funder_id":"https://openalex.org/F4320306164","funder_display_name":"Simons Foundation"}],"funders":[{"id":"https://openalex.org/F4320306164","display_name":"Simons Foundation","ror":"https://ror.org/01cmst727"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":56,"referenced_works":["https://openalex.org/W214030001","https://openalex.org/W1481933820","https://openalex.org/W1814023381","https://openalex.org/W1968287986","https://openalex.org/W1986776260","https://openalex.org/W2037705937","https://openalex.org/W2040403711","https://openalex.org/W2057850395","https://openalex.org/W2096123611","https://openalex.org/W2121556199","https://openalex.org/W2130354913","https://openalex.org/W2131681506","https://openalex.org/W2152430833","https://openalex.org/W2161834943","https://openalex.org/W2164998314","https://openalex.org/W2178843456","https://openalex.org/W2200982611","https://openalex.org/W2299069766","https://openalex.org/W2340766773","https://openalex.org/W2550819555","https://openalex.org/W2593259672","https://openalex.org/W2615120947","https://openalex.org/W2747327853","https://openalex.org/W2754493004","https://openalex.org/W2792053130","https://openalex.org/W2799769852","https://openalex.org/W2888960770","https://openalex.org/W2901048557","https://openalex.org/W2912509673","https://openalex.org/W2914212810","https://openalex.org/W2947737752","https://openalex.org/W2950859079","https://openalex.org/W2952214074","https://openalex.org/W2966969968","https://openalex.org/W3013475939","https://openalex.org/W3036619158","https://openalex.org/W3098742898","https://openalex.org/W3099768174","https://openalex.org/W3100684007","https://openalex.org/W3102739576","https://openalex.org/W3105987605","https://openalex.org/W3112355266","https://openalex.org/W3112367250","https://openalex.org/W3133423348","https://openalex.org/W3137748114","https://openalex.org/W3180060073","https://openalex.org/W3186413058","https://openalex.org/W3190604574","https://openalex.org/W3202628103","https://openalex.org/W4235019172","https://openalex.org/W4243863038","https://openalex.org/W4281620562","https://openalex.org/W4282839724","https://openalex.org/W4309347841","https://openalex.org/W4310059902","https://openalex.org/W6729581991"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W1473737476","https://openalex.org/W2949162897","https://openalex.org/W2061432289","https://openalex.org/W2276571074","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433"],"abstract_inverted_index":{"Abstract":[0],"Social":[1],"media":[2],"platforms":[3],"often":[4],"foster":[5],"environments":[6],"where":[7],"users":[8,117],"primarily":[9],"engage":[10],"with":[11,15,134,163],"content":[12],"that":[13,104,172,187],"aligns":[14],"their":[16,21,120,182],"existing":[17],"beliefs,":[18],"thereby":[19],"reinforcing":[20],"views":[22],"and":[23,72,84,93,153,193,202,222],"limiting":[24],"exposure":[25],"to":[26,53,111],"opposing":[27],"viewpoints.":[28],"In":[29],"this":[30],"paper,":[31],"we":[32,77,140,170],"analyze":[33],"X":[34],"(formerly":[35],"Twitter)":[36],"discussions":[37],"on":[38,48,119,227],"climate":[39,82,203],"change":[40,184],"throughout":[41],"2019,":[42],"using":[43],"an":[44],"unsupervised":[45],"method":[46,108],"centered":[47],"chambers":[49,62,80],"\u2013second-order":[50],"information":[51],"sources\u2013":[52],"uncover":[54],"ideological":[55,91,225],"patterns":[56],"at":[57],"scale.":[58],"Beyond":[59],"direct":[60],"connections,":[61],"capture":[63],"shared":[64],"sources":[65],"of":[66,81,115,128,196,224],"influence,":[67],"revealing":[68,86],"polarization":[69,200,226],"dynamics":[70],"efficiently":[71],"effectively.":[73],"Analyzing":[74],"retweet":[75],"patterns,":[76],"identify":[78],"echo":[79,143,173],"believers":[83],"skeptics,":[85],"strong":[87],"chamber":[88,122,144,174],"overlap":[89,95],"within":[90],"groups":[92],"minimal":[94,135],"between":[96],"them,":[97],"resulting":[98],"in":[99,138,210],"a":[100,154,191],"robust":[101],"bimodal":[102],"structure":[103],"characterizes":[105],"polarization.":[106],"Our":[107],"enables":[109],"us":[110],"infer":[112],"the":[113,126,131,197,207,220],"stance":[114],"high-impact":[116],"based":[118],"audience\u2019s":[121],"alignment,":[123],"allowing":[124],"for":[125],"classification":[127],"over":[129,178],"half":[130],"retweeting":[132],"population":[133],"cross-group":[136],"interaction,":[137],"what":[139],"term":[141],"augmented":[142],"classification.":[145],"We":[146],"benchmark":[147],"our":[148],"approach":[149],"against":[150],"manual":[151],"labeling":[152],"state-of-the-art":[155],"latent":[156],"ideology":[157],"model,":[158],"finding":[159],"comparable":[160],"performance":[161],"but":[162],"nearly":[164],"four":[165],"times":[166],"greater":[167],"coverage.":[168],"Moreover,":[169],"find":[171],"structures":[175,189],"remain":[176],"stable":[177],"time,":[179],"even":[180],"as":[181],"members":[183],"significantly,":[185],"suggesting":[186],"these":[188],"are":[190],"persistent":[192],"emergent":[194],"property":[195],"system.":[198],"Notably,":[199],"decreases":[201],"skepticism":[204],"rises":[205],"during":[206],"#FridaysForFuture":[208],"strikes":[209],"September":[211],"2019.":[212],"This":[213],"chamber-based":[214],"analysis":[215],"offers":[216],"valuable":[217],"insights":[218],"into":[219],"persistence":[221],"fluidity":[223],"social":[228],"media.":[229]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-03-05T09:29:38.588285","created_date":"2025-10-10T00:00:00"}