6. The method of claim 5 , wherein calculating the media value comprises determining an exposure number representing a number of people to which the one or more documents are distributed; determining an economic value per person attributed to exposure of the one or more documents; and multiplying the exposure number by the economic value to generate a media value multiplier.
6. The method of claim 5 , wherein calculating the media value comprises determining an exposure number representing a number of people to which the one or more documents are distributed; determining an economic value per person attributed to exposure of the one or more documents; and multiplying the exposure number by the economic value to generate a media value multiplier. 7. The method of claim 6 , wherein calculating the media value comprises: multiplying the sentiment activity sum by the media value multiplier to generate the media value attributed to the entity identified in the one or more documents.