Fort Massachusetts (Mississippi)
E283040
Fort Massachusetts (Mississippi) is a 19th-century masonry coastal fortification located on Ship Island in the Gulf of Mexico, built to protect the strategic harbor approaches to the Mississippi Sound.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Fort Massachusetts (Massachusetts) | 1 |
| Fort Massachusetts (Mississippi) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2618002 — 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 Massachusetts (Mississippi) Context triple: [Third System of US seacoast defense, hasPart, Fort Massachusetts (Mississippi)]
-
A.
Fort Gorges
Fort Gorges is a 19th-century granite coastal fortification located on an island in Portland Harbor, Maine, now known as a historic site and popular kayaking destination.
-
B.
Fort Hawkins
Fort Hawkins was an early 19th-century U.S. military fort and frontier trading post that became the nucleus for the later city of Macon, Georgia.
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C.
Fort Finney
Fort Finney was a late 18th-century U.S. military post on the Ohio River that served as a key site for negotiations and treaties with Native American tribes in the Northwest Territory.
-
D.
Fort Devens, Massachusetts
Fort Devens, Massachusetts is a former U.S. Army installation in north-central Massachusetts that has been redeveloped into a mixed-use community and training center.
-
E.
Fort Patience
Fort Patience is a historic coastal fort in Ghana, built during the colonial era as part of the European trading and defensive network along the Gold 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 Massachusetts (Mississippi) Target entity description: Fort Massachusetts (Mississippi) is a 19th-century masonry coastal fortification located on Ship Island in the Gulf of Mexico, built to protect the strategic harbor approaches to the Mississippi Sound.
-
A.
Fort Gorges
Fort Gorges is a 19th-century granite coastal fortification located on an island in Portland Harbor, Maine, now known as a historic site and popular kayaking destination.
-
B.
Fort Hawkins
Fort Hawkins was an early 19th-century U.S. military fort and frontier trading post that became the nucleus for the later city of Macon, Georgia.
-
C.
Fort Finney
Fort Finney was a late 18th-century U.S. military post on the Ohio River that served as a key site for negotiations and treaties with Native American tribes in the Northwest Territory.
-
D.
Fort Devens, Massachusetts
Fort Devens, Massachusetts is a former U.S. Army installation in north-central Massachusetts that has been redeveloped into a mixed-use community and training center.
-
E.
Fort Patience
Fort Patience is a historic coastal fort in Ghana, built during the colonial era as part of the European trading and defensive network along the Gold Coast.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
19th-century fort
ⓘ
coastal fortification ⓘ masonry fort ⓘ |
| access | accessible only by boat ⓘ |
| builtFor |
United States Army
ⓘ
defense of Mississippi Sound ⓘ protection of Gulf Coast harbor approaches ⓘ |
| continent | North America ⓘ |
| controlledBy |
Union Army
ⓘ
surface form:
Union Army during the American Civil War
|
| country |
United States of America
ⓘ
surface form:
United States
|
| currentUse |
interpretive historic site
ⓘ
tourist attraction ⓘ |
| era |
American Civil War era
ⓘ
Antebellum period ⓘ |
| garrisonedBy |
Union forces
ⓘ
U.S. Army units ⓘ
surface form:
United States Army troops
|
| hasConstructionEndDate |
1860s
ⓘ
circa 1866 ⓘ |
| hasConstructionStartDate |
1850s
ⓘ
circa 1859 ⓘ |
| hasFeature |
arched casemated rooms
ⓘ
brick casemates ⓘ outer earthen works ⓘ parade ground ⓘ powder magazines ⓘ seacoast gun emplacements ⓘ |
| hasNameOrigin | named after the U.S. state of Massachusetts ⓘ |
| hasShape | curved bastioned seacoast fort ⓘ |
| heritageStatus | historic site ⓘ |
| locatedIn |
Gulf of Mexico
ⓘ
Harrison County, Mississippi ⓘ Mississippi ⓘ Mississippi Sound ⓘ Ship Island ⓘ |
| locatedInProtectedArea |
Gulf Islands National Seashore (Florida District)
ⓘ
surface form:
Gulf Islands National Seashore
|
| locatedInTimeZone | Central Time Zone ⓘ |
| materialUsed |
brick
ⓘ
masonry ⓘ |
| nearbyWaterBody |
Gulf of Mexico
ⓘ
Mississippi Sound ⓘ |
| nearestCity |
Biloxi
ⓘ
surface form:
Biloxi, Mississippi
Gulfport, Mississippi ⓘ |
| openToPublic | true ⓘ |
| operator |
National Park Service
ⓘ
surface form:
U.S. National Park Service
|
| partOf |
Ship Island Unit of Gulf Islands National Seashore
ⓘ
Third System of US seacoast defense ⓘ
surface form:
Third System of U.S. coastal defenses
|
| strategicPurpose |
to guard Ship Island anchorage
ⓘ
to protect the approaches to New Orleans and Mobile via Mississippi Sound ⓘ |
| usedDuringConflict | American Civil War ⓘ |
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 Massachusetts (Mississippi) Description of subject: Fort Massachusetts (Mississippi) is a 19th-century masonry coastal fortification located on Ship Island in the Gulf of Mexico, built to protect the strategic harbor approaches to the Mississippi Sound.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Fort Massachusetts (Massachusetts)