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We explore the universal properties underlying large-scale social
systems through mathematical models derived by computing with big data
obtained from large-scale resources. Using these models, we explore
new ways of engineering to aid human social activities.
- 1. Analysis of large-scale social systems by applying complex systems theory
- Common scaling properties are known to hold across various large-scale social systems. Using real, large-scale data, we study the nature of these properties, from viewpoints such as complexity, degree of fluctuation, and self-similarity, and construct a mathematical model that explains them.
- 2. Deep/Machine learning methods for complex systems
- We discuss the potential and limitations of deep learning and other machine learning techniques with respect to the nature of complex systems, and we study directions for improvement. Moreover, we explore unsupervised and semi-supervised methods for state-of-the-art learning techniques.
- 3. Mathematical informatics across language, financial markets, and communication
- We explore common universal properties underlying language, finance, and communication, through computing with various kinds of large-scale data, and we apply our understanding of those properties to engineering across domains. For example, we study financial market analysis by using blogs and other information sources, and we simulate information spread on a large-scale communication network.
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