Social Energy: Emerging Token Economy for Energy Production and Consumption.

Welcome to the third issue of the IEEE Transactions on Computational Social Systems (TCSS) in 2019. Thanks to the efforts of the editors, reviewers, authors, and readers of TCSS, the influence of TCSS is rapidly increasing. According to the latest statistics released by Elsevier, the CiteScore of TCSS in 2018 reaches 4.00, and ranks eighth out of the 255 journals (top 3%) in the field of social sc...