Petrova D, Bojikova V. Development of two data bases with comments in Bulgarian language and application of supervised learning approaches on them for comparative sentiment analysis. А brief overview [Internet]. ANNUAL JOURNAL OF TECHNICAL UNIVERSITY OF VARNA, BULGARIA [Internet]. 31Dec.2022 [cited 5Dec.2023];6(2):57-2. Available from: https://aj-tuv.org/index.php/ajtuv/article/view/261