-plot "parsing_validating_times_xerces_sax2_candidates.txt" using 2:3 title "xerces sax2 parse+validate" with lines smooth bezier, \
- "parsing_validating_times_xerces_tree_candidates.txt" using 2:3 title "xerces tree parse+validate" with lines smooth bezier, \
- "parsing_validating_times_libxml2_tree_candidates.txt" using 2:3 title "libxml2 tree parse+validate" with lines smooth bezier, \
- "parsing_validating_times_flea_candidates.txt" using 2:3 title "flea parse+validate" with lines smooth bezier
+plot "parsing_validating_times_xerces_sax2_candidates.txt" using 2:4 title "xerces sax2 parse+validate" with lines smooth bezier, \
+ "parsing_validating_times_xerces_tree_candidates.txt" using 2:4 title "xerces tree parse+validate" with lines smooth bezier, \
+ "parsing_validating_times_libxml2_tree_candidates.txt" using 2:4 title "libxml2 tree parse+validate" with lines smooth bezier, \
+ "parsing_validating_times_flea_candidates.txt" using 2:4 title "flea parse+validate" with lines smooth bezier