Relational Propagation of Word Sentiment in WordNet

Sentiment analysis is a relatively new engineering problem in the domain of Natural Language Processing. Its crucial tool are sentiment polarities assigned to synsets synonym sets corresponding to abstract meanings existing the natural language. Synsets, together with their lexico-semantic relations are the essential components of every WordNet. The main idea of a new approach to sentiment assignment in WordNet based on relational propagation is presented in the paper.