US Patent 9342220 Process modeling and interface

An instance of an existing data system has one or more processes. Each process has corresponding metadata. In one example method, metadata for a given process is accessed and a visual diagram of the process is automatically generated based on the diagram. The visual diagram is displayed on a user interface display and a user modification input is received on the user interface display modifying the visual diagram to obtain a modified visual diagram. The metadata corresponding to the process is modified based on the modification to the visual diagram.