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Sentiment analysis, also known as opinion mining, seeks to figure out points of view from documents. Sentiment classification is a specific task of sentiment analysis that divides documents into positive and negative sentiment polarities according to the attitudes expressed. Feature extraction is a significant part of sentiment classification. Traditional feature extraction methods mine statistical...
Lyrics are an important part of songs. Lyrics recognition is the basis of retrieving songs and recognizing the content of songs, which is of great value. At present, the research of speech recognition has made great progresses. But there are still difficulties in recognition of lyrics in songs with accompaniment. Related research is generally lacking, especially for Chinese lyrics in songs with accompaniment,...
This paper regarded indoor environment and decorative lumbers as the research object, and presented an integrated rule on the measure level of the overall recognition rate of the sample based on BP neural network classifier by trying to recognize the position of maximum value of vectors W to identify the categories of the samples. The number of networks could be delimited with the highest prior recognition...
The Web contains a huge amount of information in its unstructured texts. Analyzing these texts is very important as more and more people post product reviews at merchant sites, discussion groups, etc. This paper presents a set of language patterns, which is composed of 22 rules, to extract two-noun phrases from customer reviews. Two-noun phrases are specific and interesting when compared with one-noun...
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