Disambiguation evidence for Schengen external border via surface form

"Schengen Area external borders involving Portugal"

Triples (1)

Triples where some other subject referred to this entity as "Schengen Area external borders involving Portugal".

Schengen Agreement (accession of Portugal) → geographicalScope →
"Schengen Area external borders involving Portugal"
↳ resolves to Schengen external border
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