| http://www.w3.org/ns/prov#value | - The billing data may include, but is not limited to, vendor information, equipment identification, user identification, service period, itemized bill entries, and any other information associated with a bill. [0096] When the billing data is extracted from the bills (step 310), it may be compared against inventory to assure that the equipment or service being billed is active in inventory (step 315
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