Unified theories of cognition
Computational and mathematical organization theory: perspective and directions
Computational & Mathematical Organization Theory
The Architecture of Cognition
Computational Modeling of Behavior in Organizations: The Third Scientific Discipline
Computational Modeling of Behavior in Organizations: The Third Scientific Discipline
Graphs over time: densification laws, shrinking diameters and possible explanations
Proceedings of the eleventh ACM SIGKDD international conference on Knowledge discovery in data mining
Statistical properties of community structure in large social and information networks
Proceedings of the 17th international conference on World Wide Web
Planetary-scale views on a large instant-messaging network
Proceedings of the 17th international conference on World Wide Web
EpiSimS simulation of a multi-component strategy for pandemic influenza
Proceedings of the 2008 Spring simulation multiconference
Communication and organizational social networks: a simulation model
Computational & Mathematical Organization Theory
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Substantial evidence indicates that our social networks are divided into tiers in which people have a few very close social support group, a larger set of friends, and a much larger number of relatively distant acquaintances. Because homophily--the principle that like seeks like--has been suggested as a mechanism by which people interact, it may also provide a mechanism that generates such frequencies and distributions. However, our multi-agent simulation tool, Construct, suggests that a slight supplement to a knowledge homophily model--the inclusion of several highly salient personal facts that are infrequently shared--can more successfully lead to the tiering behavior often observed in human networks than a simplistic homophily model. Our findings imply that homophily on both general and personal facts is necessary in order to achieve realistic frequencies of interaction and distributions of interaction partners. Implications of the model are discussed, and recommendations are provided for simulation designers seeking to use homophily models to explain human interaction patterns.