Table 9.

Average ranks for each system and each batch of phase B of Task 1b, for the “exact” answers

System	Batch 1	Batch 2	Batch 3
Wishart-S1	2.0	1.0	-
Wishart-S2	2.0	-	-
Wishart-S3	2.0	-	-
Baseline1	4.66	2.33	2.33
Baseline2	4.33	4.0	2.66
main system	6.0	4.33	3.0
system 2	-	5.33	3.33
system 3	-	5.5	3.66
system 4	-	5.5	-

The final rank is calculated across the individual ranks of the systems for the different types of questions. A dash symbol (-) is used whenever the system did not participate to the corresponding batch.