Similarly to the derivation of Equation 3, the topic is assumed to stop trending if the value of either one of the random variables governing the process falls below the thresholds θ 1 and θ 2, respectively.
Online, the hashtag had stopped trending, and the press calls had slowed.
We use the variable vitality, ϕ t = N t N t − 1, as a measurement of popularity, and assume that if the vitality of a topic falls below a certain threshold θ 1, the topic stops trending.
Without the video recording of Darren Wilson standing over Michael Brown's body, #Ferguson may have stopped trending, and without the video recording of Eric Garner's murder, citizens may never have protested in Times Square, sparking a national media scrum.
Without the video recording of Darren Wilson standing over Michael Brown's body, #Ferguson may have stopped trending, and without the video recording of Eric Garner's killing, citizens may never have protested in Times Square, sparking a national media scrum.
Without the video recording of Darren Wilson standing over Michael Brown's body, #Ferguson may have stopped trending, and without the video recording of Eric Garner's killing, citizens may never have protested in Times Square, sparking a US media scrum.
The study also revealed that if nothing is done to stop current trends, more than 140 million girls will become child brides by 2020.
A much smaller force of 15,000 troops, finding itself under heavy demand by the Afghan military in its struggle against the Taliban, would be no more capable to stop these trends than the current, reasonably well-equipped, US forces.
This is a perfectly good reason to stop following trends.
"We'll take whatever action is necessary to stop these trends from continuing".
