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Recommender systems apply knowledge discovery techniques to the problem of making products recommendations during a live customer interaction and they are achieving widespread success in e-commerce nowadays. But the traditional recommendation algorithm makes the quality of system decreased dramatically. In particular, we present an improved recommendation(More)
The electromagnetic digital solenoid attracts most interests of the study of the conversion from electricity to mechanism of the digital valves. The design principles of the digital solenoid were proposed according to the electromagnetic theory. Simulation and experiments were carried out both to study the static performance of the digital solenoid. And(More)
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