Towards a lexicon-grammar based framework for NLP: an opinion mining application

The present research exploits the largeamount of linguistic resources developedinto the Lexicon-grammar paradigm in thedomain of the Opinion Mining. Groundedon the Semantic Predicates theory, theproposed system is able to automaticallymatch the syntactic structures selected byspecial classes of verbs, indicating positiveor negative Sentiment, Opinion or Physical acts, with the semantic frames evokedby the same lexical items. This methodshas been tested on a large dataset com-posed of short texts, such as tweets andnews headings.