Systems and methods for publishing objects (e.g., pages and/or fragments) include assigning expiration times to different versions of objects and determining a plurality of objects which should be published atomically, that is, together in a single action. Then, the invention includes computing updated...http://www.google.com/patents/US6618751?utm_source=gb-gplus-sharePatent US6618751 - Systems and methods for publishing data with expiration times
