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Learning companion applications in the educational field make learning activity more diverse. Studies of animal companion have suggested that the different elements would affect learners in better quality of effort-making. This study enlarges the competition element in the existing animal companion system. With this competitive game to help low-capable children build confidence and make greater efforts...
In this paper, we present a simulation game about financial management for children to help them learn significant concepts in the finance education. Different from traditional delivery of paper-based knowledge, simulation games can provide a number of opportunities to control and manipulate something in the virtual game environment. Thus, students, particularly children, can experience what they...
Reverse skyline queries have been proved very useful in business location, environmental monitoring and some other applications. In this paper, we consider reverse skyline queries processing on data stream, which provides continuous, high-speed data elements. Specifically, we consider the latest objects in the sliding window. The challenge is that it is difficult to maintain a multidimensional index...
Frequent itemset mining is a very important problem in data mining. Closed frequent itemsets is the condensed representation of frequent itemsets thus spend less memory, so it is much suitable for stream mining. But on the other hand, when the minimum support is much lower, the size of closed frequent itemsets turns larger, which makes the performance reduced a lot. In this paper, we introduce a threshold...
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