Russian Federation
Russian Federation
The paper presents a predictive bibliometric study of trending topics in the PubMed collection in the field of sentiment analysis of texts based on dictionaries. The design of the present study uses a collection of scientific articles indexed in the PubMed bibliographic database. 147 articles that had the keywords “sentiment analysis” and “dictionary” in the titles and abstracts were retrieved from the mentioned base. A significant increase (21 times over 6 years) in the number of annually published similar articles was revealed. The rating of relevant keywords in the selected articles was calculated and presented. Among the relevant keywords, trending keywords with predicted long-term trend growth were identified. A semantic map of trending keywords is drawn, containing information on the novelty and longevity of trends. As a result of visual analysis of the semantic map, two trending topics were determined: (1) well-being issues, (2) patient and customer satisfaction. Well-being issues include trending subtopics: loneliness, depression, resilience to such problems, and strategies of their coping.
natural language processing, formal linguistic models, bibliometrical analysis, sentiment analysis, semantic map, long-term prediction of transformation of scientific trending topics, PubMed database collection
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