Talk about challenges to the analysis of sentiment on human entities in social media

Paula Carvalho (PhD in Linguistics)  will discuss the most
relevant challenges in mining opinions targeting media
personalities, like politicians, in social media (e.g.
comments posted by users to online news articles and 
Based on previous experiments, Paula will focus on the aspects
concerning the creation of linguistic resources (sentiment
lexicons, syntactic-semantic rules and annotated corpora) for
detecting polarity in opinionated sentences. In addition, Paula
will present some preliminary results on the automatic detection
of sarcasm and irony in user-generated content.

This talk will take place in the classroom S01,
on Thursday 23/02/2012 at 10:30.