Sentiment analysis for product rating

{"id"=>867, "level_no"=>1, "level_title"=>"New Section", "notes"=>"<p><span style=\"font-weight: 400;\">When registered customers use this app to view products, product features, and comment on different products, the sentiment analysis system will analyze the comments of various users and ranks products accordingly. The system leverages a database of sentiment-based keywords (including positivity or negativity weight).</span></p>\n<p><span style=\"font-weight: 400;\">So, when a user comments on a particular product, the sentiment analysis system analyzes the keywords in the comment to find the match with the keywords stored in the database. After analyzing the matches against the positive and negative keywords and sentiments, the system ranks a product as good, bad, and very bad. Thus, users can use this application to find out reviews on a product.</span></p>", "challenge_id"=>479, "created_at"=>Mon, 19 Oct 2020 08:47:09.394135000 UTC +00:00, "updated_at"=>Mon, 19 Oct 2020 08:47:09.394135000 UTC +00:00}