In this task, you will be presented with a context from an academic paper and a question separated with a
. You have to answer the question based on the context.

The second series of tests consisted of using all the documents of the subcorpus "specialist" $E$, because the documents of the subcorpus of Annodis are not identical. As far as system evaluations are concerned, we use the 78 $E$ documents as reference. We calculate the precision $P$, the recall $R$ and the $F$-score on the text corpus used in our tests, as follow:
Question: How is segmentation quality evaluated?
Segmentation quality is evaluated by calculating the precision, recall, and F-score of the automatic segmentations in comparison to the segmentations made by expert annotators from the ANNODIS subcorpus.