Cockspur Island Lighthouse
E646354
Cockspur Island Lighthouse is a historic brick lighthouse located at the mouth of the Savannah River in Georgia, known for guiding ships into the port of Savannah since the 19th century.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cockspur Island Lighthouse canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6928811 — 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: Cockspur Island Lighthouse Context triple: [Tybee Island, Georgia, hasLandmark, Cockspur Island Lighthouse]
-
A.
Ten Pound Island Light
Ten Pound Island Light is a historic lighthouse located on Ten Pound Island in Gloucester Harbor, Massachusetts, that once guided maritime traffic into the busy fishing port.
-
B.
West Chop Lighthouse
West Chop Lighthouse is a historic navigational beacon located on the West Chop headland in Vineyard Haven, Martha’s Vineyard, Massachusetts.
-
C.
Cana Island Lighthouse
Cana Island Lighthouse is a historic 19th-century lighthouse and popular maritime landmark located off the coast of Door County, Wisconsin.
-
D.
Chatham Lighthouse
Chatham Lighthouse is a historic coastal beacon on Cape Cod in Massachusetts, renowned for guiding ships through the treacherous waters off Chatham.
-
E.
St. Anastasia Island Lighthouse
St. Anastasia Island Lighthouse is a historic navigational beacon located on St. Anastasia Island off the coast of Bulgaria in the Black Sea.
- 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: Cockspur Island Lighthouse Target entity description: Cockspur Island Lighthouse is a historic brick lighthouse located at the mouth of the Savannah River in Georgia, known for guiding ships into the port of Savannah since the 19th century.
-
A.
Ten Pound Island Light
Ten Pound Island Light is a historic lighthouse located on Ten Pound Island in Gloucester Harbor, Massachusetts, that once guided maritime traffic into the busy fishing port.
-
B.
West Chop Lighthouse
West Chop Lighthouse is a historic navigational beacon located on the West Chop headland in Vineyard Haven, Martha’s Vineyard, Massachusetts.
-
C.
Cana Island Lighthouse
Cana Island Lighthouse is a historic 19th-century lighthouse and popular maritime landmark located off the coast of Door County, Wisconsin.
-
D.
Chatham Lighthouse
Chatham Lighthouse is a historic coastal beacon on Cape Cod in Massachusetts, renowned for guiding ships through the treacherous waters off Chatham.
-
E.
St. Anastasia Island Lighthouse
St. Anastasia Island Lighthouse is a historic navigational beacon located on St. Anastasia Island off the coast of Bulgaria in the Black Sea.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
lighthouse ⓘ |
| accessibleBy | boat ⓘ |
| associatedWith | Port of Savannah ⓘ |
| constructionEnd | 1839 ⓘ |
| constructionStart | 1837 ⓘ |
| coordinatesApprox | 31.983°N 80.890°W ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| deactivated | early 20th century ⓘ |
| destroyedBy | hurricane of 1854 ⓘ |
| foundation | masonry ⓘ |
| function | aid to navigation ⓘ |
| hasKeeperQuarters | no attached keeper’s house ⓘ |
| hasLantern | yes ⓘ |
| hasMarker | historic interpretive signage at Fort Pulaski ⓘ |
| height | approximately 46 feet ⓘ |
| heritageStatus | historic lighthouse ⓘ |
| historicPeriod | 19th century ⓘ |
| lightCharacteristic | fixed white (historical) ⓘ |
| listedIn | National Register of Historic Places ⓘ |
| locatedAtMouthOf | Savannah River ⓘ |
| locatedIn |
Chatham County, Georgia
ⓘ
Georgia ⓘ United States ⓘ
linked to:
United States of America
|
| locatedNear |
Fort Pulaski
ⓘ
linked to:
Fort Pulaski National Monument
|
| location | Cockspur Island ⓘ |
| managedBy |
U.S. National Park Service
ⓘ
linked to:
National Park Service
|
| material | brick ⓘ |
| namedAfter | Cockspur Island ⓘ |
| nearestCity |
Savannah, Georgia
ⓘ
linked to:
Savannah
|
| NRHPType | contributing property of Fort Pulaski National Monument ⓘ |
| openToPublic | viewable from shore and by boat ⓘ |
| ownedBy |
United States federal government
ⓘ
linked to:
United States government
|
| partOf | Fort Pulaski National Monument ⓘ |
| purpose | to guide ships into the port of Savannah ⓘ |
| reconstructionYear | 1855 ⓘ |
| region |
Southeastern United States
ⓘ
linked to:
Southern United States
|
| shape | conical tower ⓘ |
| status | inactive ⓘ |
| subjectOf |
historic preservation efforts
ⓘ
maritime history studies ⓘ |
| survivedEvent |
American Civil War
ⓘ
Union bombardment of Fort Pulaski ⓘ
linked to:
Siege of Fort Pulaski
|
| towerColor | white ⓘ |
| waterway | Atlantic Intracoastal region ⓘ |
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: Cockspur Island Lighthouse Description of subject: Cockspur Island Lighthouse is a historic brick lighthouse located at the mouth of the Savannah River in Georgia, known for guiding ships into the port of Savannah since the 19th century.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.