| http://www.w3.org/ns/prov#value | - A problem with this approach is that pricing is based on the number of ads served, even if served to those who are not likely to respond positively to the ads. [0006] Another problem is that users face advertisements that are of no interest, are distracting, and convey no relevant information, making the Internet relatively less appealing than other forms of information gathering, entertainment, o
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