| http://www.w3.org/ns/prov#value | - This also allows the user to review the revenue generated from each client or product (product including services provided), the expensesincurred for each client or product, the net income for each client or product, and the type and number of ads for each client or product, so that the user can determine which clients and/or products or types of clients and/or products the user shouldmost vigor
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