[Virtuoso-users] How to load RDF/XML data from files into Virtuoso.

I have several RDF/XML graph data file that I would like to load into Virtuoso. Each data file contains data from one row of a CSV spreadsheet. All the data belongs to a single dataset hence I assume they should be loaded into the same "graph" I would like to load these data using curl via a batch

[Virtuoso-users] CREATE GRAPH command returns error "Error 37000: [Virtuoso Driver][Virtuoso Server]SQ074: Line 1:"

I am trying to load data into Virtuoso server. I order to do so I assume I first need to construct a graph into which to load the data. I have configured a password for the dba user, then logged in as user dba using isql application. When I issue a command such as the one below, I am presented with