No Named Graphs — Period.
cat quads.nq | sed -e "s/^(\S+)\s+(\S+)\s+(.*)\s+(\S+)\s+./\1 \2 \3 ./" > triples.nt
Someone with regex and sed (or awk) foo may well be able to improve on this.
cat quads.nq | sed -e "s/^(\S+)\s+(\S+)\s+(.*)\s+(\S+)\s+./\1 \2 \3 ./" > triples.nt
Someone with regex and sed (or awk) foo may well be able to improve on this.