4 papers
Two types of densification scaling in the evolution of temporal networks
Teruyoshi Kobayashi, Mathieu Génois
Many real-world social networks constantly change their global properties over time, such as the number of edges, size and density. While temporal and local properties of social ne…
Detecting multi-timescale consumption patterns from receipt data: A non-negative tensor factorization approach
Akira Matsui, Teruyoshi Kobayashi, Daisuke Moriwaki +1
Understanding consumer behavior is an important task, not only for developing marketing strategies but also for the management of economic policies. Detecting consumption patterns,…
The structured backbone of temporal social ties
Teruyoshi Kobayashi, Taro Takaguchi, Alain Barrat
In many data sets, crucial information on the structure and temporality of a system coexists with noise and non-essential elements. In networked systems, for instance, some edges m…
Extracting the multi-timescale activity patterns of online financial markets
Teruyoshi Kobayashi, Anna Sapienza, Emilio Ferrara
Online financial markets can be represented as complex systems where trading dynamics can be captured and characterized at different resolutions and time scales. In this work, we d…