Comment for @JJ and please, next time we 'import' material from a bigger paper, erase previous comments or it will be impossible to review and to distinguish which are the new ones.
Comment for @JJ and please, next time we 'import' material from a bigger paper, erase previous comments or it will be impossible to review and to distinguish which are the new ones.

JJ/modeling-volunteer-computing,JJ/modeling-volunteer-computing,JJ/modeling-volunteer-computing,JJ/modeling-volunteer-computing