Given a message, classify sentiment conveyed in the tweet towards the topic on a five-point scale (-2,-1,0,1,2).
For Subtask C, we use macroaveraged mean absolute error as the main measure and a secondary measure, namely, an extension of macroaveraged recall for ordinal regression (Sebastiani, 2016). This will provide better consistency with Subtasks A and B
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Start: Aug. 1, 2016, midnight
Start: Jan. 16, 2017, midnight
Jan. 22, 2017, 11:59 p.m.
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