SemEval-2017 Task 4B Arabic, Sentiment Analysis in Twitter

Organized by seirasto - Current server time: Jan. 16, 2018, 11:42 a.m. UTC


Aug. 1, 2016, midnight UTC


Jan. 23, 2017, midnight UTC

Semeval 2017 Task 4: Sentiment Analysis in Twitter

Subtask B: Topic-Based Message Polarity Classification

Given a message, classify whether the message is of positive or negative sentiment towards the topic.

Evaluation Criteria

Given a tweet known to be about a given topic, classify whether the tweet conveys a positive or a negative sentiment towards the topic.

Terms and Conditions

Please note that by downloading the Twitter data you agree to abide by the Twitter terms of service (


Start: Aug. 1, 2016, midnight


Start: Jan. 23, 2017, midnight

Competition Ends

Jan. 30, 2017, 11:59 p.m.

You must be logged in to participate in competitions.

Sign In

Top Three

Rank Username Score
1 ramybaly 0.58100
2 preslav 0.45700
3 seirasto 0.45700