Abstract: A system replicates and synchronizes data objects between a source system and a target system while managing changes in user access control, even when the target system is offline. Initially, a set of data objects accessible to a user based on their access control specification is sent from the source system to the target system. If a change in access control occurs while the target system is offline, the change is recorded within a sequence number, indicating the order of events. Once the target system comes back online, a data synchronization is performed, ensuring that new data objects made accessible by the access control change are transmitted to the target system.

Abstract: A system replicates data stored in a source database to target databases of systems such as mobile devices. The source database stores data objects, for example, documents, media objects, and so on. The source system ensures that the data objects stored in a target database correspond to a set of data objects that can be accessed by the user associated with the target database as determined by an access control specification of the user. Accordingly, if the access control specification of the user changes, the source system performs data synchronization to modify the set of data objects stored on the target database. If the access control specification is modified to revoke the user's access to a set of data objects, the source system performs data synchronization to send information identifying the set of data objects with a request to remove the data objects from the target database.

Abstract: A system replicates data stored in a source database to target databases of systems such as mobile devices. The source database stores data objects, for example, documents, media objects, and so on. The source system ensures that the data objects stored in a target database correspond to a set of data objects that can be accessed by the user associated with the target database as determined by an access control specification of the user. Accordingly, if the access control specification of the user changes, the source system performs data synchronization to modify the set of data objects stored on the target database. If the access control specification is modified to revoke the user's access to a set of data objects, the source system performs data synchronization to send information identifying the set of data objects with a request to remove the data objects from the target database.

Abstract: System for dispensing a beverage into a container (18) comprising at least one dispenser unit (10). The dispenser unit (10) comprises at least one beverage outlet port and a movable seal member (34) which is configured to form a sealing barrier between at least a portion of the container (18) and the dispenser head. In this way the container is pressurised before filling, so as to avoid excessive foaming.

Abstract: Dye-sensitized photovoltaic cells, as well as related modules, are disclosed.

Abstract: Photoactive layers that contain macroparticles, as well as related photovoltaic cells, systems and methods are disclosed

Abstract: An apparatus assists a user to move a door between closed and open states. The apparatus includes a permanent magnet provided on the door. An electromagnet is located on the door frame adjacent thereto when the door is closed and is energizable to provide a magnetic field which reinforces the permanent magnetic field or to provide a magnetic field in opposition to the permanent magnetic field. A detector detects the state of the door and an interface detects the presence of a user. A controller receives input from the detector and the interface and energizes the electromagnet to provide a reinforcing magnetic field if a user is attempting to open the door and provides an opposing magnetic field to the permanent magnetic field if the door is closed and the user is attempting to open the door.

Abstract: An evaporation tray for a refrigerator or refrigerator/freezer which is adapted in use to contact a heat producing part of the refrigeration system (such as the compressor or condenser). The tray comprises a rigid frame which supports a flexible membrane designed to receive defrost liquid from the refrigerator or refrigerator/freezer. The frame is designed to sit adjacent the heat producing part so that the flexible membrane is in direct contact with the heat producing part. As the membrane is flexible, it easily deforms to the shape of the heat producing part providing increased heat transfer to liquid in the tray.