Span-based fine-grained sentiment analysis method
A sentiment analysis, fine-grained technology, applied in the field of sentiment analysis, can solve problems such as the inability to guarantee emotional consistency, the extraction of aspect items, and the inability to use global information
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[0075] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.
[0076] The technical solution adopted by the present invention is a span-based fine-grained sentiment analysis method, comprising the following steps:
[0077] Step 1. Select the dataset to be subjected to sentiment analysis, given an input sentence s={w 1 ,w 2 ,...,w n }, where w n is the word, n is the length of the sentence;
[0078] This example uses three datasets. The first dataset, LAPTOP, contains reviews from SemEval2014 on the notebook domain. The second dataset REST comes from SemEval2014, SemEval2015 and SemEval2016, and contains reviews about restaurants. By merging the three-year training dataset and testing dataset, a new training dataset and testing dataset are obtained. ...
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