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Topic Review
Hybrid Online Virtual Classroom during the COVID-19 Pandemic
The pandemic has had a profound effect on education at all levels, especially in the early stages of the pandemic. In the early stages of the pandemic, schools worldwide were forced to take various measures, including social distancing measures, in order to reduce the spread of the virus and to ensure student health and safety. The use of the in-person traditional classroom approach always outperforms the online virtual classroom and distance-learning instruction when it comes to attracting and keeping student interest. However, in the spring of 2020, Chinese higher education institutions were abruptly forced to move from in-person classrooms to online virtual classrooms because of the COVID-19 pandemic, despite the fact that the conventional classroom is preferred by both teachers and students for efficient communication and learning outcomes.
  • 394
  • 19 May 2022
Topic Review
Consumption Coupons, Consumption Probability and Inventory Optimization
The issuance of consumption coupons during the epidemic period to stimulate the economy must take full account of the level of probabilistic consumption and inventory optimization. An improved minimum cost maximum flow model is constructed to dynamically adjust the inventory capacity of node enterprises with the change of probabilistic consumption level, and three scenarios are simulated by numerical assumptions. The research show that: (1) The model can better solve the problem of consumption coupons, probabilistic consumption and inventory optimization; (2) Consumer welfare remains unchanged, the largest number of government consumption coupons is issued, and the number of enterprise inventories reaches the lowest; (3) Enterprise inventories are minimized with different decisions on consumer probability consumption, and the government's issuance of consumption coupons and the satisfaction of consumer demand have reached a dynamic balance. Corresponding suggestions are put forward, hoping to better help the government to implement the consumption coupons policy to stimulate the economy.
  • 375
  • 11 Jul 2022
Topic Review
The Analysis of Chaos-Based Metaheuristic Methods
The concept of chaos has been applied extensively in various applications with the growth of nonlinear dynamical systems that are highly sensitive to the initial state. Chaos-based algorithms can generate a large number of different search points in a short time, which can help explore the optimization area more efficiently and quickly than traditional optimization algorithms. In this regard, a new method named CSCSO is proposed to improve the shortcomings of the recently proposed Sand Cat Swarm Optimization (SCSO) algorithm with this chaos theory. This algorithm has also been tested in engineering and social science-based constrained problems. Especially in social sciences, it solves basic problems with this kind of artificial intelligence-based mechanism instead of traditional methods such as questionnaires and fieldresearch.
  • 323
  • 07 Aug 2023
Topic Review
Influencing Factors of Digital Village Development in China
Digital rural construction is an important strategy for rural revitalization. In terms of dynamic evolution, the core density curve of China’s digital rural construction shifted to the right between 2011 and 2021, accompanied by gradient influence and a multipolar development trend; local general budget revenue, the per capita disposable income of rural residents, rural infrastructure investment, computer ownership per 100 rural residents, added value of primary industry, education level, and rural power generation are some of the factors that affect the development level of China’s digital countryside. 
  • 301
  • 04 Aug 2023
Topic Review
Disparity of Density in the Age of Mobility
High mobility has promoted the concentration of people’s aggregation in urban areas. As people pursue areas with higher density, gentrification and sprawl become more serious. Disadvantaged people are then pushed out of urban centers.  Conversely, as mobility increases, the disadvantaged may also migrate in pursuit of their desired density. As a result, disparities relative to density and housing may shrink. Hence, migration is a complex system. 
  • 298
  • 23 May 2023
Topic Review
The Advancement of 3D Printing Technology in Dentistry
Because digitization accelerates product design and reduces development time, 3D printing can meet the demand for small-batch production and customization. This technology has been widely applied in various fields, such as automotive parts production, electronic parts, the aerospace industry, construction, food, and agriculture. 3D printing technology is suitable for application in advancing digitization in dentistry.
  • 289
  • 25 Oct 2023
Topic Review
Sustainable Cooperation between Schools, Enterprises, and Government
Promoting close and sustainable cooperation between schools, enterprises, and government has become an important concern in many countries. However, the reality is that the cooperation between schools, enterprises, and government has not been very effective.
  • 229
  • 12 Oct 2023
Topic Review
Human Values and Students’ Aspiration in E-Learning Adoption
Students with a proclivity for change and self-enhancement have higher motivation and expectations towards e-learning, while those with conservative perspectives show lower motivation and expectations. Additionally, students prioritizing self-enhancement and openness to change are more likely to actively engage in e-learning adoption.
  • 182
  • 08 Oct 2023
Topic Review
Open-Source Diffusion Using Government–Platform–User Evolutionary Game
Technological innovations, including the Internet of Things (IoT) and machine learning, have facilitated the emergence of autonomous systems, promoting triple bottom line (TBL) sustainability. However, the prevalent triopoly of Android, iOS, and Windows introduces substantial obstacles for smart device manufacturers in pursuit of independent innovation. Utilizing evolutionary game theory,  the interplay among governments, platforms, and users in championing open-source diffusion can be scrutinized. 
  • 143
  • 09 Oct 2023
Topic Review
Well-Being and Elderly People in the European Union
One of the main demographic problems is the ageing of populations, especially in European countries. However, this process is not taking place equally in all countries and has a different impact on their socio-economic development.
  • 124
  • 29 Dec 2023
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