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Query by humming is a straight approach to content-based music retrieval. There are three main challenges: query processing, melody representation and matching algorithm. This paper focuses on the first two problems by proposing a two-layer index and multi-stage matching to accelerate searching and improve effectiveness. The two-layer index includes tune features and profile features, which provides...
Objective: The mathematical model prediction has been widely recognized among many disease forecasting methods. But different models will show out distinct prediction results of different diseases, as well as their occurrence locations. In this study, ARMA, exponential smoothing and seasonal index model were adopted for predicting incidence of Newcastle disease, and evaluating the precision of these...
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