From Thrace he travelled to the court of Polycrates of Samos.

Entity and relation annotations:
id: 0
type: entity
value: text: Thrace 
labels: <Location>
id: 1
type: entity
value: text: Polycrates
labels: <Location>
id: 2
type: entity
value: text: Samos
labels: <Location>
type: relation
to_id: 2
labels: Location:located_in:Location
from_id: 1