Abstract
The Internet has become an important source of information that significantly affects social, economical and political life. The content available in the Web is the basis for the operation of the digital economy. Moreover, Web content has become essential for many Web users that have to make decisions. Meanwhile, more and more often we encounter Web content of low credibility due to incorrect opinions, lack of knowledge, and, even worse, manipulation attempts for the benefit of the authors or content providers. While mechanisms for the support of credibility evaluation in practice have been proposed, little is known about their effectiveness, and about their influence on the global picture of Web content production and consumption. We use a game-theoretic model to analyze the impact of reputation on the evaluation of content credibility by consumers with varying expertise, in the presence of producers who have incentives to manipulate information.
Highlights
1.1 The Internet has become an important source of information that significantly affects social, economic and political life (Rainie & Kommers 2002)
1.6 We use a simulation approach, developing a simulator of the Credibility Game with reputation that is used to verify the following hypotheses: 1. Consumer expertise constitutes a critical factor that affects the choice of producers whether to produce truthful information or to invest in presentation
7.1 In this paper, we have presented the Credibility Game, a game-theoretic and simulation model for the study of Web content credibility or quality
Summary
1.1 The Internet has become an important source of information that significantly affects social, economic and political life (Rainie & Kommers 2002). Social simulation becomes especially important for the study of what-if scenarios that concern the behavior of Web content producers and consumers and the impact of this behavior on effectiveness of the credibility support. In its simplest form, this game-theoretic model can be analyzed mathematically It is very good basis for a simulation model that can be used to study more complex behavior of the two types of agents: Web content producers (CP) and consumers (CC). We base on our previous work on the Credibility Game and extend our study to incorporate a fundamental mechanism used for Web content evaluation and selection: reputation. The proposed model can be used in studying adversary strategies against mechanisms of Web content selection or credibility evaluation support, but this is left for future work. Section Conclusions and Future Work concludes the paper and describes our planned experiments and simulator extensions
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