A system and method is provided for exchanging data between at least one merchant site and at least one partner site across an interconnected computer network. The at least one merchant site enables a user to conduct a transaction on the merchant site, and employs a merchant database format. The at least...http://www.google.de/patents/US7249056?utm_source=gb-gplus-sharePatent US7249056 - Method and system for exchanging data between affiliated sites
