Effective mechanisms to control opinion formation and diffusion / Fatma Rezk Allah Farag ; Supervised Kamal S. Selim , Ahmed E. Okasha

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Fatma Rezk Allah Farag

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Material type: Text

TextLanguage: English Publication details: Cairo : Fatma Rezk Allah Farag , 2019Description: 77 P. : charts , facsimiles ; 25cmOther title:

الآليات الفعالة للتحكم فى تشكيل وإنتشار الرأى [Added title page title]

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Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Economics and Political Science - Department of Social Science Computing Summary: Opinion Dynamics is the process of recurrently changing and updating a person's opinion over time under the influence of exogenous factors. The constant mutual influences between the group members possibly lead to a change in the social group structure.Many opinion dynamics models are developed to describe the process of opinion formation and diffusion in a society. Yet, only few models discussedthe effective mechanisms to control and shift opinions to a certain direction. To control opinion dynamics, strategic individuals, called 2Informed Agents3 could be used.The aim of this thesis is to explore and measure the impact of two competing groups of informed agents on opinion dynamics within a society exposed to two extreme poles ofopinion about the topic of concern. Thus, an agent-based model is developed as an extension to the bounded confidence model by assuming the existence of two groups of informed agents.The impact of these agents with respect to their social characteristics, such as, their size in the society, how tolerant they are, their self-weight and attitudes about others{u2019}opinions is explored. Different assumptions about the initial opinion distributions and their effect are also investigated. Due to the difficulty of observing a real society, social simulation experiments are constructed based on artificial societies

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Holdings
Item type	Current library	Home library	Call number	Copy number	Status	Date due	Barcode
Thesis	قاعة الرسائل الجامعية - الدور الاول	المكتبة المركزبة الجديدة - جامعة القاهرة	Cai01.03.05.Ph.D.2019.Fa.E (Browse shelf(Opens below))		Not for loan		01010110079172000
CD - Rom	مخـــزن الرســائل الجـــامعية - البدروم	المكتبة المركزبة الجديدة - جامعة القاهرة	Cai01.03.05.Ph.D.2019.Fa.E (Browse shelf(Opens below))	79172.CD	Not for loan		01020110079172000

Thesis (Ph.D.) - Cairo University - Faculty of Economics and Political Science - Department of Social Science Computing

Opinion Dynamics is the process of recurrently changing and updating a person's opinion over time under the influence of exogenous factors. The constant mutual influences between the group members possibly lead to a change in the social group structure.Many opinion dynamics models are developed to describe the process of opinion formation and diffusion in a society. Yet, only few models discussedthe effective mechanisms to control and shift opinions to a certain direction. To control opinion dynamics, strategic individuals, called 2Informed Agents3 could be used.The aim of this thesis is to explore and measure the impact of two competing groups of informed agents on opinion dynamics within a society exposed to two extreme poles ofopinion about the topic of concern. Thus, an agent-based model is developed as an extension to the bounded confidence model by assuming the existence of two groups of informed agents.The impact of these agents with respect to their social characteristics, such as, their size in the society, how tolerant they are, their self-weight and attitudes about others{u2019}opinions is explored. Different assumptions about the initial opinion distributions and their effect are also investigated. Due to the difficulty of observing a real society, social simulation experiments are constructed based on artificial societies

Issued also as CD

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