Soprano  2.8.0 Virtuoso Storage Backend  The Virtuoso storage
backend provides access to Virtuoso servers. It can connect to
already running servers as well as spawn its own local instance.
The Virtuoso server is accessed via ODBC through the client
library iODBC. Currently no other client libraries are supported
(which also means that this backend can only be used on systems
that have libiODBC which excludes Windows).  The name of the
backend is virtuosobackend. Thus, to use it one simply has to
load it as follows:  Supported Settings  The Virtuoso backend
supports the following settings which can be passed to
Soprano::Backend::createModel:  The settings above are user
settings and have to be provided using
Soprano::BackendOptionUser:   Soprano::BackendSettings settings;
// configure the used indexes  settings <<
Soprano::BackendSetting( "indexes", "spog,posg,opsg" );   // set
the full text index to be updated every 10 minutes  settings <<
Soprano::BackendSetting( "fulltextindex", "10" );  The following
set