{"id":"https://openalex.org/W7163215850","doi":"https://doi.org/10.48550/arxiv.2606.02376","title":"Layered Ego Networks in Email Communication: From Enron to the Jmail Archive","display_name":"Layered Ego Networks in Email Communication: From Enron to the Jmail Archive","publication_year":2026,"publication_date":"2026-06-01","ids":{"openalex":"https://openalex.org/W7163215850","doi":"https://doi.org/10.48550/arxiv.2606.02376"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2606.02376","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.02376","pdf_url":null,"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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2606.02376","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5135802627","display_name":"Francesco Di Cursi","orcid":"https://orcid.org/0009-0005-9782-478X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Di Cursi, Francesco","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025706910","display_name":"Chiara Boldrini","orcid":"https://orcid.org/0000-0001-5080-8110"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Boldrini, Chiara","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137692158","display_name":"Marco Conti","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Conti, Marco","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5018610428","display_name":"Andrea Passarella","orcid":"https://orcid.org/0000-0002-1694-612X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Passarella, Andrea","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12607","display_name":"Personal Information Management and User Behavior","score":0.4205999970436096,"subfield":{"id":"https://openalex.org/subfields/1802","display_name":"Information Systems and Management"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T12607","display_name":"Personal Information Management and User Behavior","score":0.4205999970436096,"subfield":{"id":"https://openalex.org/subfields/1802","display_name":"Information Systems and Management"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10970","display_name":"Team Dynamics and Performance","score":0.16949999332427979,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12028","display_name":"Knowledge Management and Sharing","score":0.05469999834895134,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/reciprocity","display_name":"Reciprocity (cultural anthropology)","score":0.7382000088691711},{"id":"https://openalex.org/keywords/id-ego-and-super-ego","display_name":"Id, ego and super-ego","score":0.44119998812675476},{"id":"https://openalex.org/keywords/metadata","display_name":"Metadata","score":0.3903000056743622},{"id":"https://openalex.org/keywords/digital-era","display_name":"Digital era","score":0.3652999997138977},{"id":"https://openalex.org/keywords/interpersonal-communication","display_name":"Interpersonal communication","score":0.36309999227523804},{"id":"https://openalex.org/keywords/layering","display_name":"Layering","score":0.36149999499320984},{"id":"https://openalex.org/keywords/inference","display_name":"Inference","score":0.31929999589920044},{"id":"https://openalex.org/keywords/normalization","display_name":"Normalization (sociology)","score":0.31679999828338623},{"id":"https://openalex.org/keywords/social-media","display_name":"Social media","score":0.314300000667572}],"concepts":[{"id":"https://openalex.org/C169903001","wikidata":"https://www.wikidata.org/wiki/Q3264987","display_name":"Reciprocity (cultural anthropology)","level":2,"score":0.7382000088691711},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.45509999990463257},{"id":"https://openalex.org/C9180747","wikidata":"https://www.wikidata.org/wiki/Q486893","display_name":"Id, ego and super-ego","level":2,"score":0.44119998812675476},{"id":"https://openalex.org/C93518851","wikidata":"https://www.wikidata.org/wiki/Q180160","display_name":"Metadata","level":2,"score":0.3903000056743622},{"id":"https://openalex.org/C2991716581","wikidata":"https://www.wikidata.org/wiki/Q956129","display_name":"Digital era","level":3,"score":0.3652999997138977},{"id":"https://openalex.org/C164850336","wikidata":"https://www.wikidata.org/wiki/Q3685487","display_name":"Interpersonal communication","level":2,"score":0.36309999227523804},{"id":"https://openalex.org/C176055353","wikidata":"https://www.wikidata.org/wiki/Q1402114","display_name":"Layering","level":2,"score":0.36149999499320984},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.3458999991416931},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.3375000059604645},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.3303999900817871},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.32339999079704285},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.31929999589920044},{"id":"https://openalex.org/C136886441","wikidata":"https://www.wikidata.org/wiki/Q926129","display_name":"Normalization (sociology)","level":2,"score":0.31679999828338623},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.314300000667572},{"id":"https://openalex.org/C3020028006","wikidata":"https://www.wikidata.org/wiki/Q9158","display_name":"Electronic mail","level":2,"score":0.30959999561309814},{"id":"https://openalex.org/C116314809","wikidata":"https://www.wikidata.org/wiki/Q1937189","display_name":"Organizational communication","level":2,"score":0.2973000109195709},{"id":"https://openalex.org/C120936955","wikidata":"https://www.wikidata.org/wiki/Q2155640","display_name":"Empirical research","level":2,"score":0.2957000136375427},{"id":"https://openalex.org/C2780233690","wikidata":"https://www.wikidata.org/wiki/Q535347","display_name":"Transparency (behavior)","level":2,"score":0.2955000102519989},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.2930999994277954},{"id":"https://openalex.org/C192126672","wikidata":"https://www.wikidata.org/wiki/Q1068715","display_name":"Telecommunications network","level":2,"score":0.2892000079154968},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.28690001368522644},{"id":"https://openalex.org/C114713312","wikidata":"https://www.wikidata.org/wiki/Q7551269","display_name":"Social network analysis","level":3,"score":0.28519999980926514},{"id":"https://openalex.org/C39549134","wikidata":"https://www.wikidata.org/wiki/Q133080","display_name":"Public relations","level":1,"score":0.2838999927043915},{"id":"https://openalex.org/C512654426","wikidata":"https://www.wikidata.org/wiki/Q19652","display_name":"Public domain","level":2,"score":0.28130000829696655},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.2759000062942505},{"id":"https://openalex.org/C2777742833","wikidata":"https://www.wikidata.org/wiki/Q1964083","display_name":"Reciprocal","level":2,"score":0.2700999975204468},{"id":"https://openalex.org/C91034043","wikidata":"https://www.wikidata.org/wiki/Q223642","display_name":"Interpersonal relationship","level":2,"score":0.25540000200271606},{"id":"https://openalex.org/C166052673","wikidata":"https://www.wikidata.org/wiki/Q83021","display_name":"Empirical evidence","level":2,"score":0.25369998812675476},{"id":"https://openalex.org/C46312422","wikidata":"https://www.wikidata.org/wiki/Q11024","display_name":"Communication","level":1,"score":0.25099998712539673}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2606.02376","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.02376","pdf_url":null,"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":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2606.02376","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.02376","pdf_url":null,"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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Email":[0],"archives":[1,33,237],"offer":[2],"a":[3,39,48,115,124,132,152,180],"rare":[4],"view":[5],"of":[6,127,171],"social":[7],"relationships":[8,167],"through":[9],"repeated":[10],"communication,":[11],"but":[12,123,233],"it":[13,89],"remains":[14],"unclear":[15],"how":[16,88],"well":[17],"classical":[18],"ego":[19,188],"network":[20],"layering":[21,103],"applies":[22],"to":[23,109,147,204],"digital":[24],"interaction":[25],"data.":[26],"This":[27],"paper":[28],"compares":[29],"two":[30],"public":[31],"email":[32,84,231],"with":[34,119,194],"sharply":[35],"contrasting":[36],"structures:":[37],"Enron,":[38],"workplace":[40,181],"corpus":[41],"involving":[42],"around":[43],"150":[44],"users,":[45],"and":[46,87,198],"Jmail,":[47,94],"single-ego":[49],"archive":[50],"centered":[51],"on":[52,131],"an":[53,199],"exceptionally":[54],"active":[55],"focal":[56,173],"actor":[57],"whose":[58],"communication":[59,85,99,117],"volume":[60],"is":[61,81,113,145,213],"more":[62],"than":[63,67,137,169],"twenty":[64],"times":[65],"higher":[66,134],"the":[68,141,148,161,172,185,220,242],"average":[69],"Enron":[70,177],"user.":[71],"We":[72],"ask,":[73],"in":[74,230],"each":[75],"case,":[76],"whether":[77],"Dunbar-like":[78,192,224],"layered":[79,154,211,243],"organization":[80,225],"recoverable":[82,214],"from":[83,215],"frequency":[86,135,143,239],"should":[90],"be":[91,227],"interpreted.":[92],"For":[93],"we":[95],"show":[96,222],"that":[97,160,183,210,223,234],"extreme":[98],"intensity":[100],"causes":[101],"standard":[102],"methods":[104],"(whether":[105],"clustering-based":[106],"or":[107],"threshold-based)":[108],"break":[110],"down.":[111],"Jmail":[112],"not":[114],"broad":[116],"environment":[118],"many":[120],"occasional":[121],"contacts,":[122],"selective":[125,235],"pool":[126],"high-interest":[128],"alters":[129],"operating":[130],"much":[133],"scale":[136],"ordinary":[138,216],"email.":[139,218],"Once":[140],"Dunbar":[142],"ladder":[144],"anchored":[146],"empirical":[149],"support-clique":[150],"boundary,":[151],"clearer":[153],"structure":[155,212,244],"emerges.":[156],"Reciprocity":[157],"analysis":[158],"confirms":[159],"recovered":[162,201],"layers":[163],"reflect":[164],"genuine":[165],"bidirectional":[166],"rather":[168],"artifacts":[170],"actor's":[174],"outgoing":[175],"activity.":[176],"serves":[178],"as":[179],"benchmark":[182],"grounds":[184],"comparison:":[186],"its":[187],"networks":[189],"partially":[190],"reproduce":[191],"organization,":[193],"stable":[195],"inner":[196],"circles":[197],"outermost":[200],"layer":[202],"corresponding":[203],"Dunbar's":[205],"affinity":[206],"group":[207],"($\\sim50$),":[208],"confirming":[209],"organizational":[217],"Overall,":[219],"findings":[221],"can":[226],"meaningfully":[228],"studied":[229],"archives,":[232],"high-frequency":[236],"require":[238],"normalization":[240],"before":[241],"becomes":[245],"interpretable.":[246]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-06-03T00:00:00"}