Question: What are the main sources of recall errors in the mapping?
Answer: irremediable annotation discrepancies, differences in choice of attributes to annotate, The resources themselves would need updating to encode the relevant morphosyntactic information. Some languages had a very low number of overlapping forms, and no tag matches or near-matches between them, the two annotations encode distinct information, incorrectly applied UniMorph annotation, cross-lingual inconsistency in both resources