Text data opinion summary mining method based on topic diversity
A technology of text data and diversity, applied in the field of sentiment analysis and text summarization, can solve the problem that word diversity cannot guarantee the inclusion of opinion summaries, influence opinion summaries, etc., and achieve the effect of accurate topic attributes and wide application.
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[0019] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments.
[0020] The present invention provides a text data viewpoint summary mining method based on topic diversity, which includes the following steps: Step S1: preprocessing the topic text, filtering out irrelevant texts without substantial content and meaning and common outages word; step S2: input topic corpus and background corpus; step S3: extract topic attributes of topic corpus; step S4: add emotion polarity to topic attribute obtained in step S3, emotion polarity includes positive emotion, negative emotion, Therefore, positive topic attributes and negative topic attributes are used as emotional attribute features to vectorize sentences; step S5: use the topic attributes obtained in step S3 as evaluation objects, and use the multi-evaluation object-oriented dynamic word sequence sentiment analysis method to analyze sentences The emotional polari...
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