{"id":"https://openalex.org/W2020603584","doi":"https://doi.org/10.1046/j.1365-2966.2003.07033.x","title":"Searching for the physical drivers of eigenvector 1: influence of black hole mass and Eddington ratio","display_name":"Searching for the physical drivers of eigenvector 1: influence of black hole mass and Eddington ratio","publication_year":2003,"publication_date":"2003-11-02","ids":{"openalex":"https://openalex.org/W2020603584","doi":"https://doi.org/10.1046/j.1365-2966.2003.07033.x","mag":"2020603584"},"language":"en","primary_location":{"id":"doi:10.1046/j.1365-2966.2003.07033.x","doi":"https://doi.org/10.1046/j.1365-2966.2003.07033.x","is_oa":false,"landing_page_url":"https://doi.org/10.1046/j.1365-2966.2003.07033.x","pdf_url":null,"source":{"id":"https://openalex.org/S195663288","display_name":"Monthly Notices of the Royal Astronomical Society","issn_l":"0035-8711","issn":["0035-8711","1365-2966","1365-8711"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"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":"Monthly Notices of the Royal Astronomical Society","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite","doaj"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/astro-ph/0307367","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5062128349","display_name":"Paola Marziani","orcid":"https://orcid.org/0000-0002-6058-4912","observed_orcids":["https://orcid.org/0000-0002-6058-4912"]},"institutions":[{"id":"https://openalex.org/I4210159647","display_name":"Osservatorio Astronomico di Padova","ror":"https://ror.org/04z3y3f62","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210159647","https://openalex.org/I875825670"]},{"id":"https://openalex.org/I875825670","display_name":"National Institute for Astrophysics","ror":"https://ror.org/02gh4kt33","country_code":"IT","type":"government","lineage":["https://openalex.org/I875825670"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"P. Marziani","raw_affiliation_strings":["Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy","institution_ids":["https://openalex.org/I4210159647","https://openalex.org/I875825670"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059758551","display_name":"Radoslav K. Zamanov","orcid":"https://orcid.org/0000-0003-0973-3764","observed_orcids":["https://orcid.org/0000-0003-0973-3764"]},"institutions":[{"id":"https://openalex.org/I4210159647","display_name":"Osservatorio Astronomico di Padova","ror":"https://ror.org/04z3y3f62","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210159647","https://openalex.org/I875825670"]},{"id":"https://openalex.org/I875825670","display_name":"National Institute for Astrophysics","ror":"https://ror.org/02gh4kt33","country_code":"IT","type":"government","lineage":["https://openalex.org/I875825670"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"R. K. Zamanov","raw_affiliation_strings":["Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy","institution_ids":["https://openalex.org/I4210159647","https://openalex.org/I875825670"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081546033","display_name":"JACK W. SULENTIC","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I17301866","display_name":"University of Alabama","ror":"https://ror.org/03xrrjk67","country_code":"US","type":"education","lineage":["https://openalex.org/I17301866"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"J. W. Sulentic","raw_affiliation_strings":["Department of Physics and Astronomy, University of Alabama, Tuscaloosa, AL 35487, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics and Astronomy, University of Alabama, Tuscaloosa, AL 35487, USA","institution_ids":["https://openalex.org/I17301866"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030843559","display_name":"Massimo Calvani","orcid":"https://orcid.org/0000-0002-8500-3803","observed_orcids":["https://orcid.org/0000-0002-8500-3803"]},"institutions":[{"id":"https://openalex.org/I4210159647","display_name":"Osservatorio Astronomico di Padova","ror":"https://ror.org/04z3y3f62","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210159647","https://openalex.org/I875825670"]},{"id":"https://openalex.org/I875825670","display_name":"National Institute for Astrophysics","ror":"https://ror.org/02gh4kt33","country_code":"IT","type":"government","lineage":["https://openalex.org/I875825670"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"M. Calvani","raw_affiliation_strings":["Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy","institution_ids":["https://openalex.org/I4210159647","https://openalex.org/I875825670"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5030843559","https://openalex.org/A5059758551","https://openalex.org/A5062128349","https://openalex.org/A5081546033"],"corresponding_institution_ids":["https://openalex.org/I17301866","https://openalex.org/I4210159647","https://openalex.org/I875825670"],"apc_list":{"value":2310,"currency":"GBP","value_usd":3046},"apc_paid":null,"fwci":2.538,"has_fulltext":true,"cited_by_count":136,"citation_normalized_percentile":{"value":0.88884449,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"345","issue":"4","first_page":"1133","last_page":"1144"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.9854000210762024,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.9854000210762024,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/T10744","display_name":"Astrophysical Phenomena and Observations","score":0.011500000022351742,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/eigenvector-1","display_name":"Eigenvector 1","score":0.777999997138977},{"id":"https://openalex.org/keywords/black-hole-mass","display_name":"black hole mass","score":0.7200000286102295},{"id":"https://openalex.org/keywords/luminosity-to-mass-ratio","display_name":"luminosity-to-mass ratio","score":0.9049999713897705},{"id":"https://openalex.org/keywords/eddington-ratio","display_name":"Eddington ratio","score":0.7919999957084656},{"id":"https://openalex.org/keywords/quasars","display_name":"quasars","score":0.718999981880188},{"id":"https://openalex.org/keywords/seyfert-galaxies","display_name":"Seyfert galaxies","score":0.8700000047683716},{"id":"https://openalex.org/keywords/radio-loud-quasars","display_name":"radio-loud quasars","score":0.7310000061988831},{"id":"https://openalex.org/keywords/radio-quiet-quasars","display_name":"radio-quiet quasars","score":0.9739999771118164},{"id":"https://openalex.org/keywords/o-iii-emission","display_name":"[O III] emission","score":0.6959999799728394},{"id":"https://openalex.org/keywords/active-galactic-nuclei-evolution","display_name":"active galactic nuclei evolution","score":0.6940000057220459},{"id":"https://openalex.org/keywords/virial-mass","display_name":"virial mass","score":0.8970000147819519}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.9462146759033203},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.8716955184936523},{"id":"https://openalex.org/C33024259","wikidata":"https://www.wikidata.org/wiki/Q76250","display_name":"Redshift","level":3,"score":0.7219798564910889},{"id":"https://openalex.org/C135041427","wikidata":"https://www.wikidata.org/wiki/Q83373","display_name":"Quasar","level":3,"score":0.6687235236167908},{"id":"https://openalex.org/C12287442","wikidata":"https://www.wikidata.org/wiki/Q105902","display_name":"Luminosity","level":3,"score":0.5454646944999695},{"id":"https://openalex.org/C188232333","wikidata":"https://www.wikidata.org/wiki/Q2406056","display_name":"Mass ratio","level":2,"score":0.47776591777801514},{"id":"https://openalex.org/C50341732","wikidata":"https://www.wikidata.org/wiki/Q880302","display_name":"Black hole (networking)","level":5,"score":0.4127807021141052},{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.3520035743713379},{"id":"https://openalex.org/C104954878","wikidata":"https://www.wikidata.org/wiki/Q1648707","display_name":"Routing protocol","level":3,"score":0.0},{"id":"https://openalex.org/C74172769","wikidata":"https://www.wikidata.org/wiki/Q1446839","display_name":"Routing (electronic design automation)","level":2,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C89305328","wikidata":"https://www.wikidata.org/wiki/Q1755411","display_name":"Link-state routing protocol","level":4,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1046/j.1365-2966.2003.07033.x","doi":"https://doi.org/10.1046/j.1365-2966.2003.07033.x","is_oa":false,"landing_page_url":"https://doi.org/10.1046/j.1365-2966.2003.07033.x","pdf_url":null,"source":{"id":"https://openalex.org/S195663288","display_name":"Monthly Notices of the Royal Astronomical Society","issn_l":"0035-8711","issn":["0035-8711","1365-2966","1365-8711"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"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":"Monthly Notices of the Royal Astronomical Society","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:astro-ph/0307367","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/astro-ph/0307367","pdf_url":"https://arxiv.org/pdf/astro-ph/0307367","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"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"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.337.558","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.337.558","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://arxiv.org/pdf/astro-ph/0307367v1.pdf","raw_type":"text"},{"id":"pmh:oai:cds.cern.ch:629724","doi":null,"is_oa":false,"landing_page_url":"http://cds.cern.ch/record/629724","pdf_url":null,"source":{"id":"https://openalex.org/S4306402195","display_name":"CERN Document Server (European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":null},{"id":"doi:10.48550/arxiv.astro-ph/0307367","doi":"https://doi.org/10.48550/arxiv.astro-ph/0307367","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.astro-ph/0307367","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:astro-ph/0307367","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/astro-ph/0307367","pdf_url":"https://arxiv.org/pdf/astro-ph/0307367","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"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"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320309398","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055"},{"id":"https://openalex.org/F4320332375","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2020603584.pdf","grobid_xml":"https://content.openalex.org/works/W2020603584.grobid-xml"},"referenced_works_count":57,"referenced_works":["https://openalex.org/W1488043707","https://openalex.org/W1558717895","https://openalex.org/W1563855536","https://openalex.org/W1608880785","https://openalex.org/W1810917547","https://openalex.org/W1963990789","https://openalex.org/W1965070567","https://openalex.org/W1968575018","https://openalex.org/W1968646907","https://openalex.org/W1980590876","https://openalex.org/W1981017486","https://openalex.org/W1989372921","https://openalex.org/W1995945562","https://openalex.org/W2005501750","https://openalex.org/W2009206853","https://openalex.org/W2009225618","https://openalex.org/W2009623039","https://openalex.org/W2009786190","https://openalex.org/W2013036568","https://openalex.org/W2023106241","https://openalex.org/W2024108339","https://openalex.org/W2034426898","https://openalex.org/W2038132845","https://openalex.org/W2039246007","https://openalex.org/W2044728522","https://openalex.org/W2045935528","https://openalex.org/W2048953324","https://openalex.org/W2050776408","https://openalex.org/W2057560054","https://openalex.org/W2061654493","https://openalex.org/W2065203139","https://openalex.org/W2066744800","https://openalex.org/W2067622262","https://openalex.org/W2070869181","https://openalex.org/W2086841936","https://openalex.org/W2088633355","https://openalex.org/W2092423059","https://openalex.org/W2100043834","https://openalex.org/W2106186978","https://openalex.org/W2111817932","https://openalex.org/W2113684932","https://openalex.org/W2133809595","https://openalex.org/W2141190806","https://openalex.org/W2141823130","https://openalex.org/W2159413932","https://openalex.org/W2162283787","https://openalex.org/W2983493793","https://openalex.org/W3010302518","https://openalex.org/W3025191814","https://openalex.org/W3098791016","https://openalex.org/W3098959201","https://openalex.org/W3099691949","https://openalex.org/W3101843598","https://openalex.org/W3102563089","https://openalex.org/W3104119692","https://openalex.org/W3105394583","https://openalex.org/W3125491838"],"related_works":["https://openalex.org/W118161222","https://openalex.org/W1987619590","https://openalex.org/W2009786190","https://openalex.org/W2071731700","https://openalex.org/W2028711574","https://openalex.org/W2136068721","https://openalex.org/W3205004811","https://openalex.org/W2995298705","https://openalex.org/W1646634527","https://openalex.org/W3098915444"],"abstract_inverted_index":{"We":[0,26,101,260,292],"compute":[1],"the":[2,7,12,28,46,53,56,64,67,78,85,97,124,137,236,305],"virial":[3],"mass":[4,224],"(M)":[5],"of":[6,16,41,48,55,66,77,88,96,160,232,246,252,300],"central":[8],"black":[9],"hole":[10],"and":[11,20,33,43,50,62,105,110,121,133,162,177,202,225,250,303],"luminosity-to-mass":[13],"(L/M)":[14],"ratio":[15,139,287],"\u2248300":[17],"low-z":[18],"quasars":[19],"luminous":[21],"type":[22],"1":[23],"Seyfert":[24],"nuclei.":[25],"analyse":[27],"following:":[29],"(1)":[30],"whether":[31],"radio-quiet":[32,109,127,203],"radio-loud":[34,111,201,258],"objects":[35],"show":[36,102],"systematic":[37],"differences":[38],"in":[39,119,123,200,222],"terms":[40],"M":[42,49,104,147,161],"L/M;":[44],"(2)":[45],"influence":[47,231],"L/M":[51,106,138,163,175,183,192,227],"on":[52,235,271],"shape":[54],"H\u03b2":[57,214,237,247],"broad":[58,215,238,248],"component":[59,87,189,216,219,239,249],"line":[60],"profile;":[61],"(3)":[63],"significance":[65],"so-called":[68],"\u2018blue":[69,264],"outliers\u2019,":[70],"i.e.":[71],"sources":[72,112,128,176,204,269],"showing":[73],"a":[74,166,170,178,195],"significant":[75],"blueshift":[76],"[O":[79,253],"iii]\u03bb\u03bb4959,5007":[80,254],"lines":[81],"with":[82,205,281],"respect":[83],"to":[84],"narrow":[86,158],"H\u03b2,":[89],"which":[90],"is":[91,241,288],"used":[92],"as":[93,194],"an":[94],"estimator":[95],"quasar":[98],"reference":[99],"frame.":[100],"that":[103,126,165,297],"distributions":[107,140],"for":[108,116,153,173,181,257],"are":[113,255],"probably":[114],"different":[115],"samples":[117],"matched":[118],"luminosity":[120],"redshift,":[122],"sense":[125],"have":[129],"systematically":[130],"smaller":[131],"masses":[132],"larger":[134,223,256],"L/M.":[135],"However,":[136],"become":[141],"indistinguishable":[142],"if":[143],"8.5":[144],"<":[145,148],"log":[146],"9.5.":[149],"Line":[150],"profile":[151,240],"comparisons":[152],"median":[154],"spectra":[155],"computed":[156],"over":[157],"ranges":[159],"indicate":[164],"Lorentz":[167],"function":[168],"provides":[169],"better":[171],"fit":[172],"higher":[174],"double":[179],"Gaussian":[180,188],"lower":[182,226],"values.":[184],"A":[185],"second":[186],"(redshifted)":[187],"at":[190,209,294],"low":[191],"appears":[193],"red":[196],"asymmetry":[197],"frequently":[198],"observed":[199],"broader":[206],"(full":[207],"width":[208],"half-maximum":[210],"\u22734000":[211],"km":[212],"s\u22121)":[213],"profiles.":[217],"This":[218],"becomes":[220],"stronger":[221],"sources.":[228,259,266],"No":[229],"specific":[230],"radio":[233],"loudness":[234],"detected,":[242],"although":[243],"equivalent":[244],"widths":[245],"especially":[251],"identify":[261],"five":[262],"more":[263],"outlier\u2019":[265],"Since":[267],"these":[268,301],"are,":[270],"average,":[272],"one":[273],"magnitude":[274],"brighter":[275],"than":[276],"other":[277],"active":[278],"galactic":[279],"nuclei":[280],"similar":[282],"mass,":[283],"their":[284],"resulting":[285],"Eddington":[286],"2\u20133":[289],"times":[290],"higher.":[291],"hint":[293],"evolutionary":[295],"effects":[296],"explain":[298],"some":[299],"results,":[302],"reinforce":[304],"\u2018eigenvector":[306],"1\u2019":[307],"correlations.":[308]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":8},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":9},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":8},{"year":2012,"cited_by_count":9}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}