Table 2 Performance of the top three sampling methods in capturing the most attentive hashtags during the event week (168 hours), evaluated based on Precision@100 each hour over different sampling conditions (10% and 30% of the complete user set)
From: Measuring and monitoring collective attention during shocking events
Sample | CoPerplexity_PRW ( α = 0.4) | CoPerplexity_RW | CommonTag_RW | ||||||
|---|---|---|---|---|---|---|---|---|---|
1st | 2nd | 3rd | 1st | 2nd | 3rd | 1st | 2nd | 3rd | |
Paris attacks(Paris users) | |||||||||
10% | 51.19% | 33.93% | 14.88% | 43.45% | 43.45% | 13.10% | 8.33% | 23.21% | 68.45% |
30% | 46.43% | 43.45% | 10.12% | 52.38% | 39.88% | 7.74% | 7.14% | 17.26% | 75.60% |
Paris attacks(London users) | |||||||||
10% | 53.57% | 36.90% | 9.52% | 39.88% | 47.02% | 13.10% | 10.12% | 22.66% | 72.62% |
30% | 32.73% | 49.40% | 17.86% | 59.52% | 28.57% | 11.90% | 17.86% | 26.79% | 55.36% |
Brussels bombings | |||||||||
10% | 57.14% | 25.00% | 17.86% | 30.95% | 36.90% | 32.14% | 14.88% | 40.48% | 44.64% |
30% | 22.02% | 44.05% | 33.93% | 68.45% | 22.62% | 8.93% | 12.50% | 35.12% | 52.38% |
San Bernardino shooting | |||||||||
10% | 44.04% | 36.31% | 19.64% | 21.43% | 47.02% | 31.55% | 40.47% | 19.05% | 40.47% |
30% | 22.02% | 39.29% | 32.14% | 33.93% | 46.43% | 31.55% | 50.60% | 23.21% | 26.19% |