We collected the COVID-19 vaccine online resources and captured the timestamps of their updates. We computed an average lifetime of 68 days for update and derived the speed of their… Click to show full abstract
We collected the COVID-19 vaccine online resources and captured the timestamps of their updates. We computed an average lifetime of 68 days for update and derived the speed of their freshness depreciation. The preliminary results have demonstrated the feasibility to incorporate freshness measures into network anaysis to identify both the importance and freshness of online resources.
               
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