Fort Duncan
E768332
Fort Duncan is a historic 19th-century U.S. Army post located near Eagle Pass, Texas, that played a key role in border defense along the Rio Grande.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fort Duncan canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8949829 — 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 Duncan Context triple: [Eagle Pass, Texas, hasNearbyMilitarySite, Fort Duncan]
-
A.
Fort Hughes
Fort Hughes was a former U.S. coastal defense fortification located on Caballo Island in Manila Bay, Philippines, that played a role in the harbor’s military defenses during the early 20th century and World War II.
-
B.
Fort Hancock
Fort Hancock is a historic former U.S. Army coastal defense installation located on Sandy Hook in New Jersey, now preserved as part of Gateway National Recreation Area.
-
C.
Fort Frank
Fort Frank is a former American coastal defense fortification located on Carabao Island at the entrance to Manila Bay in the Philippines, notable for its role in World War II.
-
D.
Dunmore
Dunmore is a borough in northeastern Pennsylvania that functions as a residential and industrial community adjacent to the city of Scranton.
-
E.
Nothe Fort
Nothe Fort is a 19th-century coastal defense fort in Weymouth, Dorset, now preserved as a historic museum and visitor attraction overlooking Weymouth Harbour and the Jurassic Coast.
- 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 Duncan Target entity description: Fort Duncan is a historic 19th-century U.S. Army post located near Eagle Pass, Texas, that played a key role in border defense along the Rio Grande.
-
A.
Fort Hughes
Fort Hughes was a former U.S. coastal defense fortification located on Caballo Island in Manila Bay, Philippines, that played a role in the harbor’s military defenses during the early 20th century and World War II.
-
B.
Fort Hancock
Fort Hancock is a historic former U.S. Army coastal defense installation located on Sandy Hook in New Jersey, now preserved as part of Gateway National Recreation Area.
-
C.
Fort Frank
Fort Frank is a former American coastal defense fortification located on Carabao Island at the entrance to Manila Bay in the Philippines, notable for its role in World War II.
-
D.
Dunmore
Dunmore is a borough in northeastern Pennsylvania that functions as a residential and industrial community adjacent to the city of Scranton.
-
E.
Nothe Fort
Nothe Fort is a 19th-century coastal defense fort in Weymouth, Dorset, now preserved as a historic museum and visitor attraction overlooking Weymouth Harbour and the Jurassic Coast.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
United States Army post
ⓘ
historic site ⓘ |
| activeDuring |
American Civil War era
ⓘ
Indian Wars NERFINISHED ⓘ Mexican–American War era ⓘ |
| category |
1849 establishments in Texas
ⓘ
Buildings and structures in Maverick County, Texas ⓘ Forts in Texas ⓘ Military facilities on the National Register of Historic Places in Texas ⓘ |
| controlledBy |
Confederate States of America
NERFINISHED
ⓘ
United States NERFINISHED ⓘ |
| coordinateLocation | 28.708°N 100.499°W ⓘ |
| country | United States of America ⓘ |
| currentUse |
museum site
ⓘ
public park ⓘ |
| established | 1849 ⓘ |
| foundedBy | United States Army NERFINISHED ⓘ |
| garrisonedBy | U.S. Army troops ⓘ |
| hasBuilding |
barracks
ⓘ
hospital ⓘ officers’ quarters ⓘ storehouse ⓘ |
| hasPart | Fort Duncan Museum NERFINISHED ⓘ |
| heritageDesignation |
National Register of Historic Places
ⓘ
surface form:
National Register of Historic Places listing
Recorded Texas Historic Landmark NERFINISHED ⓘ |
| historicalPeriod | 19th century ⓘ |
| locatedIn |
Eagle Pass, Texas
NERFINISHED
ⓘ
Maverick County, Texas NERFINISHED ⓘ |
| locatedNear | U.S.–Mexico border NERFINISHED ⓘ |
| locatedOnRiver | Rio Grande NERFINISHED ⓘ |
| militaryBranch | United States Army ⓘ |
| namedAfter |
James Duncan
NERFINISHED
ⓘ
Major James Duncan NERFINISHED ⓘ |
| nearbySettlement | Piedras Negras, Coahuila, Mexico NERFINISHED ⓘ |
| openToPublic | true ⓘ |
| ownedBy | City of Eagle Pass NERFINISHED ⓘ |
| partOf | Texas NERFINISHED ⓘ |
| significantFor |
U.S.–Mexico border defense
ⓘ
military history of Texas ⓘ protection of the Eagle Pass crossing ⓘ |
| status | decommissioned ⓘ |
| tourismType | heritage tourism ⓘ |
| usedFor |
border defense
ⓘ
protection of settlers in southwest Texas ⓘ protection of the Rio Grande frontier ⓘ |
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 Duncan Description of subject: Fort Duncan is a historic 19th-century U.S. Army post located near Eagle Pass, Texas, that played a key role in border defense along the Rio Grande.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.