具有个性特征的Agent间友谊网络建模
Modeling Friendship Networks among Agents with Personality Traits
摘要：
通过网络分析，心理学家已经发现了人格与社会网络结构之间的重要关系。尽管有大量的实证研究，但理论分析和正式模型背后的这种关系仍然缺乏。为了弥合这一差距，我们提出了一个基于人格特质的友谊网络生成模型。据我们所知，这是第一个明确将个性和友谊发展的概念引入社交网络模型的工作，并得到了社会和个性心理学的支持。我们使用该模型来探讨两种人格特质，外向性和宜人性，对网络结构的影响。分析和模拟结果都同意最近的实证证据，外倾性和宜人性与程度呈正相关。使用这个模型，我们表明，人格对友谊发展的影响可以相当于人格对友谊网络结构的影响。
英文摘要：
Using network analysis, psychologists have already found the nontrivial correlation between personality and social network structure. Despite the large amount of empirical studies, theoretical analysis and formal models behind such relationship are still lacking. To bridge this gap, we propose a generative model for friendship networks based on personality traits. To the best of our knowledge, this is the first work to explicitly introduce the concept of personality and friendship development into a social network model, with supporting insights from social and personality psychology. We use the model to investigate the effect of two personality traits, extraversion and agreeableness, on network structure. Analytical and simulation results both concur with recent empirical evidence that extraversion and agreeableness are positively correlated with degree. Using this model, we show that the effect of personality on friendship development can amount to the effect of personality on friendship network structure.
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