Spatial ability is a significant component of mathematical ability and a foundation for children to master mathematical knowledge. Although many studies have confirmed that technology can enhance children's learning, few have explored the use of technology in the area of children's spatial learning. In this study, we adopted a paradigm for…

Digital reading is now an important way for children to read. This article defines the concept of children's digital reading based on the current situation, reading needs, and research progress of reading promotion methods. Aiming at the problem that only simple matching method is used for entity extraction in BAG model, this paper proposes an…