NDLI: A model of influence in a social network

Content Provider	Springer Nature Link
Author	Grabisch, Michel Rusiwska, Agnieszka
Copyright Year	2008
Abstract	In this paper, we study a model of influence in a social network. It is assumed that each player has an inclination to say YES or NO which, due to influence of other players, may be different from the decision of the player. The point of departure here is the concept of the Hoede–Bakker index—the notion which computes the overall decisional ‘power’ of a player in a social network. The main drawback of the Hoede–Bakker index is that it hides the actual role of the influence function, analyzing only the final decision in terms of success and failure. In this paper, we separate the influence part from the group decision part, and focus on the description and analysis of the influence part. We propose among other descriptive tools a definition of a (weighted) influence index of a coalition upon an individual. Moreover, we consider different influence functions representative of commonly encountered situations. Finally, we propose a suitable definition of a modified decisional power.
Starting Page	69
Ending Page	96
Page Count	28
File Format	PDF
ISSN	00405833
Journal	Theory and Decision
Volume Number	69
Issue Number	1
e-ISSN	15737187
Language	English
Publisher	Springer US
Publisher Date	2008-04-23
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Influence function Influence index Decisional power Social network Operations Research/Decision Theory Methodology of the Social Sciences Game Theory, Economics, Social and Behav. Sciences Game Theory/Mathematical Methods Economic Theory
Content Type	Text
Resource Type	Article
Subject	Arts and Humanities Economics, Econometrics and Finance Developmental and Educational Psychology Social Sciences Decision Sciences Applied Psychology Computer Science Applications

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