Local cascades induced global contagion

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Karsai, Márton
dc.contributor.author Iniguez Gonzalez, Gerardo
dc.contributor.author Kikas, Riivo
dc.contributor.author Kaski, Kimmo
dc.contributor.author Kertesz, Janos
dc.date.accessioned 2017-05-11T09:06:49Z
dc.date.available 2017-05-11T09:06:49Z
dc.date.issued 2016-06-07
dc.identifier.citation Karsai , M , Iniguez Gonzalez , G , Kikas , R , Kaski , K & Kertesz , J 2016 , ' Local cascades induced global contagion : How heterogeneous thresholds, exogenous effects, and unconcerned behaviour govern online adoption spreading ' SCIENTIFIC REPORTS , vol 6 , 27178 , pp. 1-10 . DOI: 10.1038/srep27178 en
dc.identifier.issn 2045-2322
dc.identifier.other PURE UUID: c507a338-9b47-458e-95b0-fdb4c40d6950
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/local-cascades-induced-global-contagion(c507a338-9b47-458e-95b0-fdb4c40d6950).html
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=84974653249&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/11504116/srep27178.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/25842
dc.description.abstract Adoption of innovations, products or online services is commonly interpreted as a spreading process driven to large extent by social influence and conditioned by the needs and capacities of individuals. To model this process one usually introduces behavioural threshold mechanisms, which can give rise to the evolution of global cascades if the system satisfies a set of conditions. However, these models do not address temporal aspects of the emerging cascades, which in real systems may evolve through various pathways ranging from slow to rapid patterns. Here we fill this gap through the analysis and modelling of product adoption in the world's largest voice over internet service, the social network of Skype. We provide empirical evidence about the heterogeneous distribution of fractional behavioural thresholds, which appears to be independent of the degree of adopting egos. We show that the structure of real-world adoption clusters is radically different from previous theoretical expectations, since vulnerable adoptions-induced by a single adopting neighbour-appear to be important only locally, while spontaneous adopters arriving at a constant rate and the involvement of unconcerned individuals govern the global emergence of social spreading. en
dc.format.extent 1-10
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries SCIENTIFIC REPORTS en
dc.relation.ispartofseries Volume 6 en
dc.rights openAccess en
dc.subject.other General en
dc.subject.other 113 Computer and information sciences en
dc.title Local cascades induced global contagion en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Computer Science
dc.contributor.department Professorship Kaski K.
dc.subject.keyword General
dc.subject.keyword 113 Computer and information sciences
dc.identifier.urn URN:NBN:fi:aalto-201705114217
dc.identifier.doi 10.1038/srep27178
dc.type.version publishedVersion

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