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has been cited by the following article:

• TITLE: A Comparative Study of Keywords and Sentiments of Abstracts by Python Programs

  AUTHORS: Penghua Zhang, Yi Pan

  KEYWORDS: Self-Mentions, Generation of Keywords, Sentiments, SnowNLP, TextBlob, Objectivity

  JOURNAL NAME: Open Journal of Modern Linguistics, Vol.10 No.6, November 25, 2020

  ABSTRACT: Four corpora are created to investigate the self-mentions, keywords and sentiment of abstracts. First, self-mentions are categorized to examine the authorial interactions with the reader. Then, the study of high-frequency words and keywords is conducted with different Python programs and the software AntConc. The keywords generated with WordCloud and TF-IDF-LDA methods show a definite relation with high-frequency words generated by Jieba_Counter and NLTK FreqDist. Further, the sentiment analysis is performed with SnowNLP and TextBlob yielding different results, which verifies the authorial interactions with the reader and increased factual information respectively. Finally, the verification by reference corpora validates the consistency of the sentiment analysis by these two methods. The research suggests that the methods for high-frequency words generation, keywords generation and sentiment analysis be selected discriminatively since different methods generate different results; meanwhile, the study verifies that the objectivity remains in the writing of abstracts. The investigation is conducive to the choices of keywords generation and self-mentions in writing.