For example, in a utility network, there are often types of equipment that users do not want to see in their schematic diagrams. So ArcGIS Schematics has a node reduction by priority rule that allows those items to be reduced, and the links that connect them are turned into superspans...
In one aspect, remote system 22 includes a database or other data structure that associates watermark payloads with corresponding “payoff” information—information used in providing a response when a particular watermark is encountered. The database may be of general purpose utility, e.g., ...