Table 3.

Subject headings evaluation results. See Table 1 for an explanation of the classes

Class	NoMerging	n(tot=396)	WithMerging	n(tot=305)
1	70.45%	279	71.15%	217
2	14.65%	58	16.72%	51
3	14.14%	56	11.80%	36
4	0.76%	3	0.33%	1
1+2	85.10%	337	87.87%	268