| http://www.w3.org/ns/prov#value | - The invention comprises a system for purchasing postage in a distributed processing environment, comprising a client computer coupled to a network and including a browser, a server computer coupled to the network, and...http://www.google.com/patents/US20030084008?utm_source=gb-gplus-sharePatent US20030084008 - System for purchasing postage electronically in a distributed processing environmentAdva
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