Competitive Intelligence. 2025, 21(2): 22-28.
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In view of the limitations of traditional competitor identification methods in the context of the Internet, this paper proposes a product-level competitor identification method based on user reviews as the data source, aiming to provide a strong basis for enterprises to optimize product design and formulate competitive strategies. Firstly, the candidate competitive products are defined based on the user’s selection preference, and the online reviews of the company’s products and the candidate competitive products are collected by using Python crawling technology. Secondly, the Python word segmentation technology is used to combine frequency statistics and manual screening to construct the product feature set and the sentiment word set. Thirdly, relying on the sentiment feature weight algorithm, the advantages and disadvantages of the company’s products are analyzed, the feature strengths and weaknesses are formed, the product vector space model is constructed and the similarity is calculated. Finally, the main and secondary competitors are identified to provide data support for market strategy optimization. In this study, “Colgate” is selected as an empirical analysis case. The study finds that the main competitors of “Colgate” are “Crest” “Liangmianzhen” and “Lengsuanling”, with similar advantages comparable and disadvantages; “Dental Doctor” and “DARLIE” are listed as secondary competitors because they have similar advantages and do not reach a considerable level in disadvantage characteristics.