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Extracting product aspects and their associated sentiments is one of the key tasks in sentiment analysis. Estimating the confidences of extracted aspects is important to ensure the performance. To tackle the issue, this paper proposes a two-step estimation method. Collocations of product features and opinion words are initially extracted through pattern bootstrapping. A criterion synthesizing two...
In order to efficient, objective and comprehensive assessment of wheat flour processing accuracy, this paper introduces a new method to detect the wheat flour processing precision; it uses wheat flour three features of Whiteness, color, bran to design classifiers. The 240 different accuracy wheat sample images were analyzed and tested, experimental results show that CIE L*a*b*and OTSU algorithm can...
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