| http://www.w3.org/ns/prov#value | - These messages are transmitted as text along with the proposal, and are a part of the entire deal when it is stored on the system 10, enabling use for future reference. [0172] All messages attached to a proposal are tracked for the date and time when they were sent, added to the message by the time and date stamping module 58, and when they were read by the recipient Each message has a status indi
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