Dynamics of helping behavior and networks in a small world

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dc.contributor.authorJo, HHko
dc.contributor.authorJung, WSko
dc.contributor.authorMoon, Hie-Taeko
dc.date.accessioned2013-03-06T22:58:54Z-
dc.date.available2013-03-06T22:58:54Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2006-08-
dc.identifier.citationPHYSICAL REVIEW E, v.74, pp.643 - 645-
dc.identifier.issn1539-3755-
dc.identifier.urihttp://hdl.handle.net/10203/88760-
dc.description.abstractTo investigate an effect of social interaction on the bystanders' intervention in emergency situations a rescue model was introduced which includes the effects of the victim's acquaintance with bystanders and those among bystanders from a network perspective. This model reproduces the experimental result that the helping rate (success rate in our model) tends to decrease although the number of bystanders k increases. And the interaction among homogeneous bystanders results in the emergence of hubs in a helping network. For more realistic consideration it is assumed that the agents are located on a one-dimensional lattice (ring), then the randomness p is an element of[0,1] is introduced: the kp random bystanders are randomly chosen from a whole population and the k-kp near bystanders are chosen in the nearest order to the victim. We find that there appears another peak of the network density in the vicinity of k=9 and p=0.3 due to the cooperative and competitive interaction between the near and random bystanders.-
dc.languageEnglish-
dc.publisherAMER PHYSICAL SOC-
dc.subjectSOCIAL IMPACT MODELS-
dc.subjectCOMPLEX NETWORKS-
dc.subjectSTATISTICAL-MECHANICS-
dc.subjectOPINION DYNAMICS-
dc.titleDynamics of helping behavior and networks in a small world-
dc.typeArticle-
dc.identifier.wosid000240238200023-
dc.identifier.scopusid2-s2.0-33748272879-
dc.type.rimsART-
dc.citation.volume74-
dc.citation.beginningpage643-
dc.citation.endingpage645-
dc.citation.publicationnamePHYSICAL REVIEW E-
dc.identifier.doi10.1103/PhysRevE.74.026120-
dc.contributor.localauthorMoon, Hie-Tae-
dc.contributor.nonIdAuthorJo, HH-
dc.contributor.nonIdAuthorJung, WS-
dc.type.journalArticleArticle-
dc.subject.keywordPlusSOCIAL IMPACT MODELS-
dc.subject.keywordPlusCOMPLEX NETWORKS-
dc.subject.keywordPlusSTATISTICAL-MECHANICS-
dc.subject.keywordPlusOPINION DYNAMICS-
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