The impact of time allocation on the economy and society has spatial characteristics, especially spatial allocation of leisure time (SALT). To explain the decision-making mechanism of SALT, we divide time from the perspective of space and construct the individual utility function to transform...

Confronting the escalating challenges appertaining to global climate change, countries around the world have been rigorously developing strategies to achieve carbon neutrality. The electrification of transportation systems is a feasible way owing to its profound potential to address issues tied...

Document classification is an area of great importance for which many classification methods have been well developed. However, most of these methods cannot generate time-dependent classification rules. Thus, they are not the best choices for problems with time-varying structures. To address...

Document classification is an area of great importance for which many classification methods have been developed. However, most of these methods cannot generate time-dependent classification rules. Thus, they are not the best choices for problems with time-varying structures. To address this...

The outbreak of COVID-19 in China during the Spring Festival of 2020 is an unprecedented event. Its impact has spread throughout the country and around the world. In order to explore the impact of the epidemic on China's economy, this paper starts with the analysis of the daily railway passenger...

COVID-19 has profoundly changed the way that we study and work. For students, especially primary and middle school students, online education has become a solution to learning problems. However, online and offline education have their own characteristics and different learning efficiencies in...

Public health events (PHEs) have emerged as significant threats to human life and health, as well as affecting economic growth. PHEs such as COVID-19 have led people to reflect on better regular prevention and control (RPC) for PHEs. Firstly, under the background of RPC for PHEs, a neoclassical...