7x1-PT: um Corpus extra\'\ido do Twitter para An\'alise de Sentimentos em L\'\ingua Portuguesa (7x1-PT: a Corpus extracted from Twitter for Sentiment Analysis in Portuguese Language)

Anotando um Corpus de Not\'\icias para a An\'alise de Sentimentos: um Relato de Experi\^encia (Annotating a corpus of News for Sentiment Analysis: An Experience Report)

Estudo explorat\'orio de categorias gramaticais com potencial de indicadores para a An\'alise de Sentimentos (An Exploratory study of grammatical categories as potential indicators for Sentiment Analysis)[In Portuguese]

Desenvolvimento de modelo para predição de cotações de ação baseada em análise de sentimentos de tweets

Training machine learning models for predicting stock market share prices is an active area of research since the automatization of trading such papers was available in real time. While most of the work in this field of …

Twitter corpus of Resource-Scarce Languages for Sentiment Analysis and Multilingual Emoji Prediction

In this paper, we leverage social media platforms such as twitter for developing corpus across multiple languages. The corpus creation methodology is applicable for resource-scarce languages provided the speakers of that…

Extracting localized information from a Twitter corpus for flood prevention

In this paper, we discuss the collection of a corpus associated to tropical storm Harvey, as well as its analysis from both spatial and topical perspectives. From the spatial perspective, our goal here is to get a first …