Abstract: The present disclosure provides a valve assembly. The valve assembly comprising a flap connectable onto an opening of a passage, wherein the flap is configured to move between a closed position and an open position. The flap comprises a first plate hinged on the opening; and a second plate hinged to the first plate, wherein the second plate is configured to move independent of the first plate.

Abstract: Embodiments of methods, systems and apparatus for integrating commerce networks are disclosed. One method includes receiving a commercial transaction request associated with a business process from a member of the second commerce network, to conduct commerce with a member of the first commerce network, wherein the request includes a second commerce network associated identifier, confirming that the member of the second commerce network is a user of the second commerce network based on the second commerce network associated identifier, enabling the member of the second commerce network to join the first commerce network upon confirmation that the member of the second commerce network is a user of the second commerce network, and allowing the member of the second commerce network to conduct commerce on the first commerce network after enabling the member of the second commerce network.

Abstract: Reliable messaging can be incorporated into a framework for occasionally connected computing (OCC). For example, various delivery assurance profiles can be supported for an application accessing Web Services to accomplish online business processing. Processing can be accomplished transparently with respect to whether the Web Services are available to a mobile computing device.