{"id":"https://openalex.org/W2186546728","doi":null,"title":"MATHEMATICAL ENGINEERING TECHNICAL REPORTS Upstream Reciprocity in Heterogeneous Networks","display_name":"MATHEMATICAL ENGINEERING TECHNICAL REPORTS Upstream Reciprocity in Heterogeneous Networks","publication_year":2010,"publication_date":"2010-01-01","ids":{"openalex":"https://openalex.org/W2186546728","mag":"2186546728"},"language":"en","primary_location":{"id":"mag:2186546728","doi":null,"is_oa":false,"landing_page_url":"http://www.keisu.t.u-tokyo.ac.jp/research/techrep/data/2010/METR10-25.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5043556774","display_name":"Akio Iwagami","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Akio Iwagami","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5086073834","display_name":"Naoki Masuda","orcid":"https://orcid.org/0000-0003-1567-801X","observed_orcids":["https://orcid.org/0000-0003-1567-801X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Naoki Masuda","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":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"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/T11252","display_name":"Evolutionary Game Theory and Cooperation","score":0.9984999895095825,"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/T11252","display_name":"Evolutionary Game Theory and Cooperation","score":0.9984999895095825,"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/T11031","display_name":"Game Theory and Applications","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"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/T10646","display_name":"Experimental Behavioral Economics Studies","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/indirect-reciprocity","display_name":"indirect reciprocity","score":0.8379999995231628},{"id":"https://openalex.org/keywords/cooperation","display_name":"cooperation","score":0.5270000100135803},{"id":"https://openalex.org/keywords/altruism","display_name":"altruism","score":0.8149999976158142},{"id":"https://openalex.org/keywords/network-hubs","display_name":"network hubs","score":0.5770000219345093},{"id":"https://openalex.org/keywords/prisoner-s-dilemma","display_name":"prisoner's dilemma","score":0.7919999957084656},{"id":"https://openalex.org/keywords/evolution-of-cooperation","display_name":"evolution of cooperation","score":0.6769999861717224},{"id":"https://openalex.org/keywords/helping-behavior","display_name":"helping behavior","score":0.6579999923706055}],"concepts":[{"id":"https://openalex.org/C169903001","wikidata":"https://www.wikidata.org/wiki/Q3264987","display_name":"Reciprocity (cultural anthropology)","level":2,"score":0.8887317180633545},{"id":"https://openalex.org/C2778496695","wikidata":"https://www.wikidata.org/wiki/Q254128","display_name":"Dilemma","level":2,"score":0.8087345957756042},{"id":"https://openalex.org/C2780279448","wikidata":"https://www.wikidata.org/wiki/Q2559380","display_name":"Altruism (biology)","level":2,"score":0.6126552820205688},{"id":"https://openalex.org/C187206662","wikidata":"https://www.wikidata.org/wiki/Q55607920","display_name":"Social dilemma","level":2,"score":0.6052568554878235},{"id":"https://openalex.org/C191172861","wikidata":"https://www.wikidata.org/wiki/Q7899321","display_name":"Upstream (networking)","level":2,"score":0.6043872833251953},{"id":"https://openalex.org/C113494165","wikidata":"https://www.wikidata.org/wiki/Q41693","display_name":"Prisoner's dilemma","level":3,"score":0.5797017812728882},{"id":"https://openalex.org/C10470442","wikidata":"https://www.wikidata.org/wiki/Q2107249","display_name":"Norm of reciprocity","level":3,"score":0.5026566982269287},{"id":"https://openalex.org/C31250377","wikidata":"https://www.wikidata.org/wiki/Q1509670","display_name":"Strong reciprocity","level":4,"score":0.4964621663093567},{"id":"https://openalex.org/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.4514552354812622},{"id":"https://openalex.org/C89611455","wikidata":"https://www.wikidata.org/wiki/Q6804646","display_name":"Mechanism (biology)","level":2,"score":0.43917906284332275},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4300190210342407},{"id":"https://openalex.org/C177142836","wikidata":"https://www.wikidata.org/wiki/Q44455","display_name":"Game theory","level":2,"score":0.41518712043762207},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.3401591181755066},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.27581116557121277},{"id":"https://openalex.org/C202556891","wikidata":"https://www.wikidata.org/wiki/Q1584646","display_name":"Repeated game","level":3,"score":0.25280192494392395},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.23793372511863708},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1711997091770172},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.15884354710578918},{"id":"https://openalex.org/C68062652","wikidata":"https://www.wikidata.org/wiki/Q214693","display_name":"Social capital","level":2,"score":0.10705676674842834},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09465879201889038},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.07856300473213196},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2186546728","doi":null,"is_oa":false,"landing_page_url":"http://www.keisu.t.u-tokyo.ac.jp/research/techrep/data/2010/METR10-25.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W1481469028","https://openalex.org/W1487247963","https://openalex.org/W1511856397","https://openalex.org/W1965499304","https://openalex.org/W1975522802","https://openalex.org/W1981589225","https://openalex.org/W1988936934","https://openalex.org/W1991908851","https://openalex.org/W1996254446","https://openalex.org/W1997418576","https://openalex.org/W2001140167","https://openalex.org/W2006469409","https://openalex.org/W2008620264","https://openalex.org/W2012903904","https://openalex.org/W2023100939","https://openalex.org/W2024845611","https://openalex.org/W2025490132","https://openalex.org/W2029478799","https://openalex.org/W2035945778","https://openalex.org/W2036496375","https://openalex.org/W2037110518","https://openalex.org/W2040301417","https://openalex.org/W2049607688","https://openalex.org/W2059232881","https://openalex.org/W2062067121","https://openalex.org/W2062663664","https://openalex.org/W2063832007","https://openalex.org/W2065529435","https://openalex.org/W2132977878","https://openalex.org/W2133476822","https://openalex.org/W2141113219","https://openalex.org/W2148606196","https://openalex.org/W2154715890","https://openalex.org/W2154897810","https://openalex.org/W2156173537","https://openalex.org/W2157592153","https://openalex.org/W2160991193","https://openalex.org/W2166859536"],"related_works":["https://openalex.org/W2008943872","https://openalex.org/W7165670428","https://openalex.org/W7098627885","https://openalex.org/W2902116180","https://openalex.org/W2008879337","https://openalex.org/W2932544492","https://openalex.org/W4415482585","https://openalex.org/W1994836788","https://openalex.org/W4322761492","https://openalex.org/W4404723798"],"abstract_inverted_index":{"Many":[0],"mechanisms":[1],"for":[2,76,91],"the":[3,37,59,74,77,98,112,137,179,182],"emergence":[4],"and":[5,57,87,151,163],"maintenance":[6],"of":[7,26,54,73,79,118,131,181],"altruistic":[8],"behavior":[9,81],"in":[10,85,106,110,128,152,160,178,186],"social":[11],"dilemma":[12],"situations":[13],"have":[14,115],"been":[15],"proposed.":[16],"Indirect":[17],"reciprocity":[18,45,56,84,105],"is":[19,51,94],"one":[20],"such":[21],"mechanism,":[22],"where":[23],"other-regarding":[24],"actions":[25],"a":[27,52,129,143,146,161],"player":[28,39,144],"are":[29],"eventually":[30],"rewarded":[31],"by":[32,64,82,141],"other":[33,68,167],"players":[34,113],"with":[35],"whom":[36],"original":[38],"has":[40],"not":[41,95],"interacted.":[42],"The":[43,169],"upstream":[44,83,104,132],"(also":[46],"called":[47],"generalized":[48],"indirect":[49,55],"reciprocity)":[50],"type":[53],"represents":[58],"concept":[60],"that":[61,122,176],"those":[62],"helped":[63,150],"somebody":[65],"will":[66],"help":[67],"unspecified":[69],"players.":[70,168],"In":[71,97,134],"spite":[72],"evidence":[75],"enhancement":[78],"helping":[80,155],"rats":[86],"humans,":[88],"theoretical":[89],"support":[90],"this":[92],"mechanism":[93],"strong.":[96],"present":[99],"study,":[100],"we":[101],"numerically":[102],"investigate":[103],"heterogeneous":[107,123,135,187],"contact":[108],"networks,":[109,136],"which":[111,142],"generally":[114],"different":[116],"number":[117],"neighbors.":[119],"We":[120],"show":[121],"networks":[124],"considerably":[125],"enhance":[126],"cooperation":[127],"game":[130,185],"reciprocity.":[133],"most":[138],"generous":[139],"strategy,":[140],"helps":[145],"neighbor":[147],"on":[148],"being":[149],"addition":[153],"initiates":[154],"behavior,":[156],"first":[157],"occupies":[158],"hubs":[159],"network":[162],"then":[164],"disseminates":[165],"to":[166,171],"scenario":[170],"achieve":[172],"enhanced":[173],"altruism":[174],"resembles":[175],"seen":[177],"case":[180],"Prisoner\u2019s":[183],"Dilemma":[184],"networks.":[188]},"counts_by_year":[],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}
