Roosevelt Island Lighthouse
E92126
Roosevelt Island Lighthouse is a historic 19th-century stone lighthouse located at the northern tip of Roosevelt Island in New York City, known for its distinctive Gothic Revival design and role as a local landmark.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Roosevelt Island Lighthouse canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T733150 — 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: Roosevelt Island Lighthouse Context triple: [Roosevelt Island, hasLandmark, Roosevelt Island Lighthouse]
-
A.
South Manitou Island Lighthouse
South Manitou Island Lighthouse is a historic navigational beacon on South Manitou Island in Lake Michigan, known for guiding ships through the Manitou Passage and for its preserved 19th-century architecture.
-
B.
Cape May Lighthouse
Cape May Lighthouse is a historic 19th-century coastal beacon and popular tourist attraction located at the southern tip of New Jersey.
-
C.
Round Island Lighthouse
Round Island Lighthouse is a historic red-and-white beacon located on Round Island in Michigan, guiding ships through the Straits of Mackinac in the Great Lakes.
-
D.
Boca Chita Lighthouse
Boca Chita Lighthouse is a small, historic ornamental lighthouse located on Boca Chita Key in Biscayne National Park, Florida, known as a picturesque landmark rather than an active navigational aid.
-
E.
Eastern Point Lighthouse
Eastern Point Lighthouse is a historic coastal beacon in Gloucester, Massachusetts, guiding ships at the entrance to Gloucester Harbor on the Atlantic Ocean.
- 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: Roosevelt Island Lighthouse Target entity description: Roosevelt Island Lighthouse is a historic 19th-century stone lighthouse located at the northern tip of Roosevelt Island in New York City, known for its distinctive Gothic Revival design and role as a local landmark.
-
A.
South Manitou Island Lighthouse
South Manitou Island Lighthouse is a historic navigational beacon on South Manitou Island in Lake Michigan, known for guiding ships through the Manitou Passage and for its preserved 19th-century architecture.
-
B.
Cape May Lighthouse
Cape May Lighthouse is a historic 19th-century coastal beacon and popular tourist attraction located at the southern tip of New Jersey.
-
C.
Round Island Lighthouse
Round Island Lighthouse is a historic red-and-white beacon located on Round Island in Michigan, guiding ships through the Straits of Mackinac in the Great Lakes.
-
D.
Boca Chita Lighthouse
Boca Chita Lighthouse is a small, historic ornamental lighthouse located on Boca Chita Key in Biscayne National Park, Florida, known as a picturesque landmark rather than an active navigational aid.
-
E.
Eastern Point Lighthouse
Eastern Point Lighthouse is a historic coastal beacon in Gloucester, Massachusetts, guiding ships at the entrance to Gloucester Harbor on the Atlantic Ocean.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Gothic Revival architecture
ⓘ
historic building ⓘ landmark ⓘ lighthouse ⓘ |
| architect | James Renwick Jr. ⓘ |
| architecturalStyle | Gothic Revival ⓘ |
| borough | Manhattan ⓘ |
| category |
Gothic Revival architecture in New York City
ⓘ
Lighthouses in New York City ⓘ New York City Landmark ⓘ
surface form:
New York City Designated Landmarks in Manhattan
Roosevelt Island ⓘ |
| completionDate | 1872 ⓘ |
| constructionStart | 1872 ⓘ |
| coordinates | 40.772°N 73.944°W ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currentUse |
local landmark
ⓘ
tourist attraction ⓘ |
| designer | James Renwick Jr. ⓘ |
| feature |
Gothic-style details
ⓘ
lantern room ⓘ octagonal tower ⓘ parapet at the top ⓘ stone base ⓘ |
| height |
50 feet
ⓘ
about 15 meters ⓘ |
| heritageDesignation | New York City Landmark ⓘ |
| heritageDesignationDate | 1976 ⓘ |
| historicPeriod | 19th century ⓘ |
| locatedAt | northern tip of Roosevelt Island ⓘ |
| location |
Manhattan
ⓘ
New York City ⓘ Roosevelt Island ⓘ |
| managedBy | Roosevelt Island Operating Corporation ⓘ |
| material | stone ⓘ |
| namedAfter | Franklin D. Roosevelt (island namesake) ⓘ |
| near |
Lighthouse Park
ⓘ
Roosevelt Island station ⓘ
surface form:
Roosevelt Island Tramway (northern end of island)
|
| originalPurpose | aid to navigation in the East River ⓘ |
| owner |
New York City
ⓘ
surface form:
City of New York
|
| state | New York ⓘ |
| status | non-operational as a navigational aid ⓘ |
| surroundedBy | Lighthouse Park ⓘ |
| visibleFrom |
Queens waterfront
ⓘ
Upper East Side ⓘ
surface form:
Upper East Side of Manhattan
|
| waterwayServed | East River ⓘ |
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: Roosevelt Island Lighthouse Description of subject: Roosevelt Island Lighthouse is a historic 19th-century stone lighthouse located at the northern tip of Roosevelt Island in New York City, known for its distinctive Gothic Revival design and role as a local landmark.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Blackwell House