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Research indicates that the combination of correct and erroneous examples has a positive effect on knowledge acquisition and transfer if learners have adequate prior knowledge. If only erroneous examples were provided, students with low prior knowledge may need additional supports so that their procedural skills can be effectively promoted. For this reason, this study, taking subtraction as the learning...
Most existing approaches to visual search reranking predominantly focus on mining information only from the initial ranking order on the basis of pseudo-relevance feedback. However, the initial ranking order cannot always provide enough cues for reranking by itself due to an unsatisfying visual search performance. This letter presents a novel approach to visual search reranking by selecting typical...
As most mobile robots are powered by batteries, their energy and operation times are limited. Therefore, how to extend the lifespan of the batteries becomes an important problem. In this paper, by applying PID feedback control based on the power model of batteries of mobile robot systems, we propose a power-aware real-time task scheduling technique with feedback control to optimize the lifespan of...
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