A web-based supply chain system manages internal users, suppliers, and external customers to improve business productivity. The web-based system includes a server, at least one computer, and a network that couples the computer to the server. The server is configured with a database of supply chain business...http://www.google.co.uk/patents/US7343331?utm_source=gb-gplus-sharePatent US7343331 - Methods and systems for managing supply chain processes