22.3.4. OPENINFO
OPENINFO is necessary for services to connect to the certain Virtuoso server. OPENINFO for the services (see GROUPS section in the example) consists of 2 parts: "Virtuoso" term and connection string. Connection string provides the service name, password, server and port of Virtuoso server. Common format of connection string is [USER[:PASSWORD]]@SERVER[:PORT]. Only the SERVER name is required, the others are optional.