AUC of prediction results using different co-tag features within t early hours.
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† A linear combination with coefficients determined by regression fitting using least squared error.Prediction features include the number of tweets containing the co-tags (T), the number of co-tag adopters (A), the diversity of co-tags (H2), and the number of observed co-tags (m). The threshold is expressed as a top percentile of most popular hashtags that are deemed viral for evaluation purposes. Best results for each column are bolded.
创建时间：
2015-12-03
