Extraction of Russian Sentiment Lexicon for Product Meta-Domain

Creating a General Russian Sentiment Lexicon

The paper describes the new Russian sentiment lexicon - RuSentiLex. The lexicon was gathered from several sources: opinionated words from domain-oriented Russian sentiment vocabularies, slang and curse words extracted fr…

Sentiment Frames for Attitude Extraction in Russian

Texts can convey several types of inter-related information concerning opinions and attitudes. Such information includes the author's attitude towards mentioned entities, attitudes of the entities towards each other, pos…

DomEx: Extraction of Sentiment Lexicons for Domains and Meta-Domains

Does BERT look at sentiment lexicon?

The main approaches to sentiment analysis are rule-based methods and ma-chine learning, in particular, deep neural network models with the Trans-former architecture, including BERT. The performance of neural network mode…

Lexicon-based Methods vs. BERT for Text Sentiment Analysis

The performance of sentiment analysis methods has greatly increased in recent years. This is due to the use of various models based on the Transformer architecture, in particular BERT. However, deep neural network models…