Brazilian Tweets Dataset about Volleyball Labeled by Sentiment

This database contains Brazilian Portuguese phrases about volleyball and their respective sentiment polarity. All sentences were manually labeled by the author with negative, neutral and positive polarities. The dataset contains 12.506 texts, where 1.032 negative, 10.176 neutral and 1.298 positive sentiment polarity.

The polarities are represented as:
* Negative: -1;
* Neutral: 0;
* Positive: 1.

These texts were processed with the following steps:
* Removing stopwords;
* Removing numbers;
* Removing symbols (#, @, %, &, !, etc...);
* Removing line break;
* Removing URLs, Links and mentions;
* Removing punctuation;
* Transformed to lowercase.

These dataset were developed with texts extracted from Twitter in order to be used to train and test classification models of Sentiment Analysis in the portuguese language used in Brazil. In order to organize the data, this is represented in CSV (Comma-separated values) format.

本数据库收录了关于排球的相关巴西葡萄牙语短语及其相应的情感极性。所有句子均由作者手动标注为负面、中立和正面极性。该数据集包含12,506篇文本，其中1,032篇负面情感，10,176篇中立情感，以及1,298篇正面情感极性。

情感极性表示如下：
* 负面：-1；
* 中立：0；
* 正面：1。

这些文本经过以下步骤进行处理：
* 移除停用词；
* 移除数字；
* 移除符号（#、@、%&、!等...）；
* 移除换行符；
* 移除URL、链接和提及；
* 移除标点符号；
* 转换为小写。

本数据集基于从Twitter提取的文本开发，旨在用于训练和测试巴西葡萄牙语情感分析分类模型。为组织数据，数据以CSV（逗号分隔值）格式呈现。