Diogo Cam
E609584
Diogo Cam is a variant spelling of Diogo Cão, the 15th-century Portuguese navigator and explorer known for his voyages along the west coast of Africa.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Diogo Cam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6647455 — 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: Diogo Cam Context triple: [Diogo Cão, nameVariant, Diogo Cam]
-
A.
Diogo Tavares
Diogo Tavares is a Portuguese professional footballer known for playing as a forward for various clubs in Portugal and abroad.
-
B.
Diogo Rodrigues
Diogo Rodrigues was a 16th-century Portuguese navigator and explorer after whom Rodrigues Island in the Indian Ocean is named.
-
C.
Diogo
Diogo is a masculine given name, commonly used in Portuguese-speaking countries and related to the name Diego.
-
D.
Bernardo Couto
Bernardo Couto was a 19th-century Mexican diplomat and politician who served as one of Mexico’s negotiators and signatories of the Treaty of Guadalupe Hidalgo ending the Mexican–American War.
-
E.
Diogo Neto
Diogo Neto is a Portuguese military officer and politician who served on the National Salvation Junta, the governing body that led Portugal’s transition after the Carnation Revolution.
- 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: Diogo Cam Target entity description: Diogo Cam is a variant spelling of Diogo Cão, the 15th-century Portuguese navigator and explorer known for his voyages along the west coast of Africa.
-
A.
Diogo Tavares
Diogo Tavares is a Portuguese professional footballer known for playing as a forward for various clubs in Portugal and abroad.
-
B.
Diogo Rodrigues
Diogo Rodrigues was a 16th-century Portuguese navigator and explorer after whom Rodrigues Island in the Indian Ocean is named.
-
C.
Diogo
Diogo is a masculine given name, commonly used in Portuguese-speaking countries and related to the name Diego.
-
D.
Bernardo Couto
Bernardo Couto was a 19th-century Mexican diplomat and politician who served as one of Mexico’s negotiators and signatories of the Treaty of Guadalupe Hidalgo ending the Mexican–American War.
-
E.
Diogo Neto
Diogo Neto is a Portuguese military officer and politician who served on the National Salvation Junta, the governing body that led Portugal’s transition after the Carnation Revolution.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Portuguese nobleman
ⓘ
explorer ⓘ navigator ⓘ person ⓘ |
| activity | led at least two major voyages of discovery ⓘ |
| centuryOfActivity | 15th century ⓘ |
| countryOfCitizenship | Kingdom of Portugal ⓘ |
| employer | John II of Portugal ⓘ |
| era |
Age of Discovery
ⓘ
linked to:
Age of Exploration
|
| ethnicGroup | Portuguese ⓘ |
| exploredFor | Portuguese Empire ⓘ |
| exploredRegion |
coast of present-day Angola
ⓘ
coast of present-day Namibia ⓘ mouth of the Congo River ⓘ west coast of Africa ⓘ |
| goalOfVoyages |
establishing contact with African kingdoms
ⓘ
expanding Portuguese trade and influence ⓘ finding a sea route further south along Africa ⓘ |
| historicalPeriod |
early modern period
ⓘ
late Middle Ages ⓘ |
| knownFor |
erection of stone padrões to mark Portuguese claims
ⓘ
exploration of the west coast of Africa ⓘ extending Portuguese exploration southward along the African coast ⓘ voyages along the Congo River mouth ⓘ |
| language | Portuguese ⓘ |
| legacy |
contributed to mapping of the African Atlantic coast
ⓘ
helped pave the way for later voyages around the Cape of Good Hope ⓘ |
| nameInEnglish |
Diogo Cao
ⓘ
linked to:
Diogo Cão
|
| nameInPortuguese | Diogo Cão ⓘ |
| nameVariant | Diogo Cam ⓘ |
| nationality | Portuguese ⓘ |
| nobleTitle | cavaleiro (knight) ⓘ |
| occupation |
explorer
ⓘ
navigator ⓘ sea captain ⓘ |
| placedPadrãoAt |
Cape Cross
ⓘ
mouth of the Congo River ⓘ near present-day Angola coast ⓘ |
| seaRoute | Atlantic Ocean ⓘ |
| servedMonarch | John II of Portugal ⓘ |
| sponsoredBy | Portuguese Crown ⓘ |
| usedNavigationInstrument |
astrolabe
ⓘ
quadrant ⓘ |
| usedNavigationMethod |
coastal navigation
ⓘ
dead reckoning ⓘ |
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: Diogo Cam Description of subject: Diogo Cam is a variant spelling of Diogo Cão, the 15th-century Portuguese navigator and explorer known for his voyages along the west coast of Africa.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Diogo Cam