id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ijassa-1381	Chkhartishvili, Alexander; Gubanov, Dmitry; Melnichuk, Vladislav; Sych, Vladislav	Exploratory Data Analysis and Natural Language Processing Model for Analysis and Identification of the Dynamics of COVID-19 Vaccine Opinions on Small Datasets	2023	19	.pdf	application/pdf	7330	547	57	Keywords: active learning, deep neural network, opinion dynamics, opinion analysis, BERT, COVID-19 VK opinion classification 1. Opinion analysis Different machine learning models including Logistic Regression, Gradient Boosting, Extreme Gradient Boosting (XGB), BERT models (transformers) and active learning are applied for opinion classification into positive, neutral, and negative/unknown categories.	cache/ijassa-1381.pdf	txt/ijassa-1381.txt