Information Retrieval (IR) is one of the most evolving research fields and has drawn extensive attention in recent years. Because of its empirical nature, the advance of the IR field is closely related to the development of various toolkits. While the traditional IR toolkit mainly provides a platform to evaluate the effectiveness of retrieval…

Technology and a variety of resources play an important role in students' educational lives. Vygotsky's (1987) theory of tool mediation suggests that cultural tools, such as computer software influence individuals' thinking and action. However, it is not completely understood how technology and other resources influence student action. Middle…