Kalman Filtering and Neural Networks
Kalman Filtering and Neural Networks
Artificial Intelligence: A Modern Approach
Artificial Intelligence: A Modern Approach
Scan Statistics on Enron Graphs
Computational & Mathematical Organization Theory
The link-prediction problem for social networks
Journal of the American Society for Information Science and Technology
A Survey of Statistical Network Models
Foundations and Trends® in Machine Learning
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Significant efforts have gone into the development of statistical models for analyzing data in the form of networks, such as social networks. Most existing work has focused on modeling static networks, which represent either a single time snapshot or an aggregate view over time. There has been recent interest in statistical modeling of dynamic networks, which are observed at multiple points in time and offer a richer representation of many complex phenomena. In this paper, we propose a state-space model for dynamic networks that extends the well-known stochastic blockmodel for static networks to the dynamic setting. We then propose a procedure to fit the model using a modification of the extended Kalman filter augmented with a local search. We apply the procedure to analyze a dynamic social network of email communication.