Personalized recommendation is an effective method for fighting “information overload”. However, its performance is often limited by several factors, such as sparsity and cold-start. Some researchers utilize user-created tags of social tagging system to depict user preferences for...

For the last thirty years, the relationship between natural resources, technological innovation and economic development has been debated. Macroeconomic elements like green development and technological inn may be crucial in attaining ecological sustainability in the context of eco-innovation...