DeGroot-style opinion formation presumes a continuous interaction among agents of a social network. Hence, it cannot handle agents external to the social network that interact only temporarily with the permanent ones. Many real-world organisations and individuals fall into such a category. For instance, a company tries to persuade as many as possible to buy its products and, due to various constraints, can only exert its influence for a limited amount of time. We propose a variant of the DeGroot model that allows an external agent to interact with the permanent ones for a preset period of time. We obtain several insights on maximising an external agent's influence in opinion formation by analysing and simulating the variant.
翻译：德格鲁特式的舆论形成假定社会网络的代理人之间不断互动。 因此,它无法处理社会网络外部的代理人,而社会网络只是暂时与永久的网络互动。 许多真实世界的组织和个人都属于这种类别。 例如,一家公司试图说服尽可能多的人购买其产品,由于各种限制,只能施加有限时间的影响。 我们提出了德格鲁特模式的变体,允许外部代理人与永久的代理人在预设的一段时间内进行互动。 我们获得关于通过分析和模拟该变体来最大限度地发挥外部代理人对舆论形成的影响的若干见解。
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