User Clustering Based on the Topic-Sentiment Analysis
2022 International Conference on Computer Engineering and Artificial Intelligence (ICCEAI)(2022)
摘要
Nowadays, more and more people communicate and comment on what they care about on social platforms. In order to determine the distribution of topic-sentiment in microblog comment text more accurately and efficiently, this paper combined the improved TF-IDF parallel algorithm and Latent Semantic Model to construct the topic-sentiment model for user clustering. Firstly, we carried out data pre-processing and semantic role tagging. Then, we used the improved TF-IDF parallel algorithm to calculate the eigenvalues and sentimental polarity values of each sentimental word, and then the topic-sentiment words table was established. Finally, we established a Latent Semantic Model for the data of users' topic sentimental polarity value, extracting eigenvectors of users, and clustering users with the same eigenvectors by K-means algorithm. Compared with the traditional models, the result of the experiment showed that the proposed model has better accuracy, recall rate, F1 and time performance.
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关键词
clustering,analysis,topic-sentiment
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