Ocracoke Lighthouse
E521825
Ocracoke Lighthouse is a historic, white masonry lighthouse on Ocracoke Island in North Carolina, known as one of the oldest operating lighthouses in the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ocracoke Lighthouse canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5416358 — 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: Ocracoke Lighthouse Context triple: [Cape Hatteras National Seashore, contains, Ocracoke Lighthouse]
-
A.
Bodie Island Lighthouse
Bodie Island Lighthouse is a historic black-and-white banded coastal beacon on North Carolina’s Outer Banks, renowned for guiding ships along the treacherous waters of the Atlantic.
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B.
Cape Hatteras Lighthouse
Cape Hatteras Lighthouse is a historic black-and-white spiral-striped beacon on North Carolina’s Outer Banks, renowned as one of the tallest and most iconic brick lighthouses in the United States.
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C.
Cape Henry Lighthouse
Cape Henry Lighthouse is a historic coastal beacon at the entrance to the Chesapeake Bay, notable as one of the earliest federally funded public works in the United States.
-
D.
Amelia Island Lighthouse
Amelia Island Lighthouse is a historic 19th-century lighthouse on Florida’s Amelia Island and one of the state’s oldest still-operating beacons.
-
E.
Morris Island Lighthouse
Morris Island Lighthouse is a historic, now offshore brick lighthouse off Morris Island near Charleston, South Carolina, known for its Civil War–era origins and ongoing preservation efforts against coastal erosion.
- 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: Ocracoke Lighthouse Target entity description: Ocracoke Lighthouse is a historic, white masonry lighthouse on Ocracoke Island in North Carolina, known as one of the oldest operating lighthouses in the United States.
-
A.
Bodie Island Lighthouse
Bodie Island Lighthouse is a historic black-and-white banded coastal beacon on North Carolina’s Outer Banks, renowned for guiding ships along the treacherous waters of the Atlantic.
-
B.
Cape Hatteras Lighthouse
Cape Hatteras Lighthouse is a historic black-and-white spiral-striped beacon on North Carolina’s Outer Banks, renowned as one of the tallest and most iconic brick lighthouses in the United States.
-
C.
Cape Henry Lighthouse
Cape Henry Lighthouse is a historic coastal beacon at the entrance to the Chesapeake Bay, notable as one of the earliest federally funded public works in the United States.
-
D.
Amelia Island Lighthouse
Amelia Island Lighthouse is a historic 19th-century lighthouse on Florida’s Amelia Island and one of the state’s oldest still-operating beacons.
-
E.
Morris Island Lighthouse
Morris Island Lighthouse is a historic, now offshore brick lighthouse off Morris Island near Charleston, South Carolina, known for its Civil War–era origins and ongoing preservation efforts against coastal erosion.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
historic structure
ⓘ
lighthouse ⓘ navigational aid ⓘ |
| access | grounds open to public ⓘ |
| addedToNRHP | 1977 ⓘ |
| automated | yes ⓘ |
| automationYear | 1955 ⓘ |
| builder | Noah Porter NERFINISHED ⓘ |
| category |
Buildings and structures in Hyde County, North Carolina
ⓘ
Lighthouses in North Carolina ⓘ |
| color | white ⓘ |
| constructionCost | approximately $11,000 (1820s) ⓘ |
| constructionStartDate | 1822 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| focalHeight | approximately 75 feet ⓘ |
| foundation | masonry foundation ⓘ |
| hasFeature | attached keeper’s quarters ⓘ |
| height | approximately 75 feet ⓘ |
| heritageDesignation | National Register of Historic Places ⓘ |
| inception | 1823 ⓘ |
| interiorAccess | not generally open to public ⓘ |
| lightCharacteristic | fixed white ⓘ |
| locatedIn |
Hyde County, North Carolina
NERFINISHED
ⓘ
North Carolina ⓘ Ocracoke Island NERFINISHED ⓘ Ocracoke, North Carolina NERFINISHED ⓘ Outer Banks NERFINISHED ⓘ United States Atlantic coast NERFINISHED ⓘ |
| locatedWithin | Cape Hatteras National Seashore NERFINISHED ⓘ |
| managedBy | United States Coast Guard NERFINISHED ⓘ |
| marking | white tower ⓘ |
| material | masonry ⓘ |
| near | Ocracoke village NERFINISHED ⓘ |
| NRHPType | contributing property ⓘ |
| operatedBy | National Park Service (grounds access) NERFINISHED ⓘ |
| originalIllumination | oil lamp ⓘ |
| ownedBy | United States Coast Guard NERFINISHED ⓘ |
| powerSource | electric ⓘ |
| purpose | aid to navigation in Ocracoke Inlet ⓘ |
| region | Eastern United States NERFINISHED ⓘ |
| servesWaterway |
Atlantic Ocean
NERFINISHED
ⓘ
Ocracoke Inlet NERFINISHED ⓘ Pamlico Sound NERFINISHED ⓘ |
| shape | conical tower ⓘ |
| significance |
oldest operating lighthouse in North Carolina
ⓘ
one of the oldest operating lighthouses in the United States ⓘ |
| status | active ⓘ |
| towerHeight | approximately 65 feet ⓘ |
| yearLit | 1823 ⓘ |
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: Ocracoke Lighthouse Description of subject: Ocracoke Lighthouse is a historic, white masonry lighthouse on Ocracoke Island in North Carolina, known as one of the oldest operating lighthouses in the United States.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.