Update load-to-stardog.sh to user STARDOG_INSTALL_DIR instead of STARDOG_HOME (which is used by stardog itself).
#!/bin/bash
-$STARDOG_HOME/bin/stardog-admin server start
-$STARDOG_HOME/bin/stardog-admin db drop $RDF_DB
-$STARDOG_HOME/bin/stardog-admin db create -n $RDF_DB
-$STARDOG_HOME/bin/stardog data add $RDF_DB $RDF_DATA_DIR/*.ttl
+$STARDOG_INSTALL_DIR/bin/stardog-admin server start
+$STARDOG_INSTALL_DIR/bin/stardog-admin db drop $RDF_DB
+$STARDOG_INSTALL_DIR/bin/stardog-admin db create -n $RDF_DB
+$STARDOG_INSTALL_DIR/bin/stardog data add $RDF_DB $RDF_DATA_DIR/*.ttl
