| http://www.w3.org/ns/prov#value | - Buyers 12, sellers 14, and matching server 16 may be coupled to one another using links 24 each including one or more local area networks (LANs), metropolitan area networks (MANs), wide area networks (WANs), at least a portion of a global computer network such as the Internet, or other suitable wireline, wireless, or other links.
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