Bartolomeu Dias
E9698
Bartolomeu Dias was a 15th-century Portuguese navigator best known for being the first European to sail around the southern tip of Africa, opening the sea route from Europe to Asia.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Bartolomeu Dias canonical | 19 |
| Bartolomeo Diaz | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T34785 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bartolomeu Dias Context triple: [Age of Exploration, hasKeyExplorer, Bartolomeu Dias]
-
A.
Vasco da Gama
Vasco da Gama was a Portuguese navigator who pioneered the sea route from Europe to India, becoming one of the most significant explorers of the Age of Exploration.
-
B.
Ferdinand Magellan
Ferdinand Magellan was a Portuguese explorer who led the first expedition to circumnavigate the globe, significantly advancing European knowledge of world geography.
-
C.
Christopher Columbus
Christopher Columbus was an Italian navigator whose transatlantic voyages for Spain in the late 15th century opened the way for widespread European exploration and colonization of the Americas.
-
D.
Henry Hudson
Henry Hudson was an English sea explorer and navigator of the early 17th century best known for his voyages in search of a northwest passage and for lending his name to the Hudson River and Hudson Bay.
-
E.
Juan Ponce de León
Juan Ponce de León was a Spanish explorer and conquistador best known for leading the first official European expedition to Florida and serving as the first governor of Puerto Rico.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bartolomeu Dias Target entity description: Bartolomeu Dias was a 15th-century Portuguese navigator best known for being the first European to sail around the southern tip of Africa, opening the sea route from Europe to Asia.
-
A.
Vasco da Gama
Vasco da Gama was a Portuguese navigator who pioneered the sea route from Europe to India, becoming one of the most significant explorers of the Age of Exploration.
-
B.
Ferdinand Magellan
Ferdinand Magellan was a Portuguese explorer who led the first expedition to circumnavigate the globe, significantly advancing European knowledge of world geography.
-
C.
Christopher Columbus
Christopher Columbus was an Italian navigator whose transatlantic voyages for Spain in the late 15th century opened the way for widespread European exploration and colonization of the Americas.
-
D.
Henry Hudson
Henry Hudson was an English sea explorer and navigator of the early 17th century best known for his voyages in search of a northwest passage and for lending his name to the Hudson River and Hudson Bay.
-
E.
Juan Ponce de León
Juan Ponce de León was a Spanish explorer and conquistador best known for leading the first official European expedition to Florida and serving as the first governor of Puerto Rico.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Portuguese person
ⓘ
explorer ⓘ human ⓘ navigator ⓘ |
| causeOfDeath | shipwreck ⓘ |
| centuryOfActivity | 15th century ⓘ |
| commissionedBy |
John II of Portugal
ⓘ
surface form:
King John II of Portugal
|
| continentOfCitizenship | Europe ⓘ |
| countryOfCitizenship |
Portugal
ⓘ
surface form:
Kingdom of Portugal
|
| dateOfBirth | c. 1450 ⓘ |
| dateOfDeath | May 1500 ⓘ |
| diedDuring | voyage with Pedro Álvares Cabral ⓘ |
| employer |
John II of Portugal
ⓘ
surface form:
King John II of Portugal
Portuguese Crown ⓘ |
| era |
Age of Exploration
ⓘ
surface form:
Age of Discovery
|
| ethnicGroup | Portuguese ⓘ |
| expedition | Portuguese expedition to find a sea route to India (1487–1488) ⓘ |
| explorationEndYear | 1488 ⓘ |
| explorationStartYear | 1487 ⓘ |
| fullName | Bartolomeu Dias self-link ⓘ |
| hasCanonicalName | Bartolomeu Dias self-link ⓘ |
| influenced | Vasco da Gama’s route to India ⓘ |
| knownFor |
being the first European to sail around the southern tip of Africa
ⓘ
opening the sea route from Europe to Asia around Africa ⓘ |
| languageSpoken | Portuguese ⓘ |
| mannerOfDeath | death at sea ⓘ |
| memorializedBy | monuments at the Cape of Good Hope ⓘ |
| nationality | Portuguese ⓘ |
| navigatedAround |
Cape of Good Hope
ⓘ
southern tip of Africa ⓘ |
| nobleTitle | knight of the royal court of Portugal ⓘ |
| notableWork | voyage around the Cape of Good Hope (1487–1488) ⓘ |
| occupation |
explorer
ⓘ
navigator ⓘ |
| participatedIn | Pedro Álvares Cabral’s fleet to India (1500) ⓘ |
| partOf |
Age of Exploration
ⓘ
surface form:
Portuguese maritime explorations
|
| placeOfBirth |
Portugal
ⓘ
surface form:
Kingdom of Portugal
|
| placeOfDeath | near the Cape of Good Hope ⓘ |
| positionHeld |
sailing master of the man-of-war São Cristóvão
ⓘ
superintendent of the royal warehouses ⓘ |
| religion | Roman Catholicism ⓘ |
| returnedTo | Lisbon ⓘ |
| seaRouteOpened | Atlantic–Indian Ocean sea route around Africa ⓘ |
| sexOrGender | male ⓘ |
| shipCommanded |
São Cristóvão
ⓘ
São Pantaleão ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Bartolomeu Dias Description of subject: Bartolomeu Dias was a 15th-century Portuguese navigator best known for being the first European to sail around the southern tip of Africa, opening the sea route from Europe to Asia.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Bartolomeo Diaz