If and when any of them are needed, user profiling should be repeated at user's own will.Ranko Bon Motovun, Croatia.
Participatory sensing means the application still need user's intervention to complete their task.
On the other hand, some of these methods (e.g.[33]) need user intervention one way or the other.
An Excel add-in would not be used (they normally need user installation and can require admin privileges).
On the other hand, opportunistic sensing means application does not need user's intervention to complete their task.
This will need user judgements based on the outputs of the algorithm.
We suggest that if high confidence in prediction is needed, user should select high threshold value, but at the same time sensitivity of the prediction will be compromised.
"To combat these threats, however, we need users' help, too," the statement read.
Platforms need users to create content which elicits the kind of engagement that is attractive to advertisers.
"We need users to accept gaming on mobile devices as a viable option, and to get them used to downloading at a value for money price.
