Fort Frederick
E67720
Fort Frederick is a historic coastal fortress in Trincomalee, Sri Lanka, originally built by the Portuguese and later used by Dutch and British colonial powers.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Fort Frederick canonical | 2 |
| Fort Frederick, Trincomalee | 2 |
| Fort Frederick garrison area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T538436 — 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: Fort Frederick Context triple: [Trincomalee, hasLandmark, Fort Frederick]
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A.
Fort George
Fort George is a massive 18th-century artillery fortress near Inverness in the Scottish Highlands, built after the Jacobite rising and renowned as one of the most outstanding fortifications of its kind in Europe.
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B.
Fort McHenry
Fort McHenry is a historic coastal fort in Baltimore, Maryland, best known for its successful defense during the War of 1812 that inspired Francis Scott Key to write the poem that became the U.S. national anthem.
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C.
Fort St. George
Fort St. George is a historic coastal fortress in Chennai, India, that served as the British East India Company’s first major stronghold and a key center of colonial administration in South India.
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D.
Fort Eisenhower
Fort Eisenhower is a United States Army installation near Augusta, Georgia, known for housing the Army Cyber Center of Excellence and serving as a major hub for cyber and signal training.
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E.
West Point of the South
West Point of the South is a prestigious state-supported military college in Lexington, Virginia, renowned for its rigorous academic and military training programs.
- 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: Fort Frederick Target entity description: Fort Frederick is a historic coastal fortress in Trincomalee, Sri Lanka, originally built by the Portuguese and later used by Dutch and British colonial powers.
-
A.
Fort George
Fort George is a massive 18th-century artillery fortress near Inverness in the Scottish Highlands, built after the Jacobite rising and renowned as one of the most outstanding fortifications of its kind in Europe.
-
B.
Fort McHenry
Fort McHenry is a historic coastal fort in Baltimore, Maryland, best known for its successful defense during the War of 1812 that inspired Francis Scott Key to write the poem that became the U.S. national anthem.
-
C.
Fort St. George
Fort St. George is a historic coastal fortress in Chennai, India, that served as the British East India Company’s first major stronghold and a key center of colonial administration in South India.
-
D.
Fort Eisenhower
Fort Eisenhower is a United States Army installation near Augusta, Georgia, known for housing the Army Cyber Center of Excellence and serving as a major hub for cyber and signal training.
-
E.
West Point of the South
West Point of the South is a prestigious state-supported military college in Lexington, Virginia, renowned for its rigorous academic and military training programs.
- F. None of above. chosen
Statements (51)
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: Fort Frederick Description of subject: Fort Frederick is a historic coastal fortress in Trincomalee, Sri Lanka, originally built by the Portuguese and later used by Dutch and British colonial powers.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Fort Frederick, Trincomalee
this entity surface form:
Fort Frederick garrison area
this entity surface form:
Fort Frederick, Trincomalee