Sheffield Island Lighthouse
E686186
Sheffield Island Lighthouse is a historic 19th-century lighthouse and popular tourist destination located on Sheffield Island off the coast of Norwalk, Connecticut.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sheffield Island Lighthouse canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7732731 — 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: Sheffield Island Lighthouse Context triple: [Norwalk, hasAttraction, Sheffield Island Lighthouse]
-
A.
St Mary’s Lighthouse
St Mary’s Lighthouse is a historic coastal lighthouse situated on a small tidal island off the coast of Whitley Bay in North East England, now popular as a visitor attraction and nature reserve.
-
B.
Currie Lighthouse
Currie Lighthouse is a historic coastal beacon located near the town of Currie on King Island, Tasmania, guiding ships through the treacherous waters of Bass Strait.
-
C.
Elie Lighthouse
Elie Lighthouse is a coastal navigational beacon near the village of Elie in Fife, Scotland, guiding ships along the Firth of Forth.
-
D.
Perch Rock Lighthouse
Perch Rock Lighthouse is a historic 19th-century lighthouse off New Brighton at the mouth of the River Mersey in England, known for guiding ships entering the Port of Liverpool.
-
E.
Isle of May Lighthouse
The Isle of May Lighthouse is a historic Scottish lighthouse on the Isle of May in the Firth of Forth, known for guiding maritime traffic and its association with early lighthouse engineering.
- 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: Sheffield Island Lighthouse Target entity description: Sheffield Island Lighthouse is a historic 19th-century lighthouse and popular tourist destination located on Sheffield Island off the coast of Norwalk, Connecticut.
-
A.
St Mary’s Lighthouse
St Mary’s Lighthouse is a historic coastal lighthouse situated on a small tidal island off the coast of Whitley Bay in North East England, now popular as a visitor attraction and nature reserve.
-
B.
Currie Lighthouse
Currie Lighthouse is a historic coastal beacon located near the town of Currie on King Island, Tasmania, guiding ships through the treacherous waters of Bass Strait.
-
C.
Elie Lighthouse
Elie Lighthouse is a coastal navigational beacon near the village of Elie in Fife, Scotland, guiding ships along the Firth of Forth.
-
D.
Perch Rock Lighthouse
Perch Rock Lighthouse is a historic 19th-century lighthouse off New Brighton at the mouth of the River Mersey in England, known for guiding ships entering the Port of Liverpool.
-
E.
Isle of May Lighthouse
The Isle of May Lighthouse is a historic Scottish lighthouse on the Isle of May in the Firth of Forth, known for guiding maritime traffic and its association with early lighthouse engineering.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
lighthouse ⓘ |
| accessibleBy | ferry ⓘ |
| architecturalStyle | Victorian architecture ⓘ |
| category |
Lighthouses in Connecticut
ⓘ
Museums in Fairfield County, Connecticut ⓘ Tourist attractions in Norwalk, Connecticut ⓘ |
| city | Norwalk NERFINISHED ⓘ |
| completionDate | 1868 ⓘ |
| constructionStartDate | 1868 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Fairfield County NERFINISHED ⓘ |
| currentUse |
museum
ⓘ
tourist destination ⓘ |
| hasFunction |
aid to navigation
ⓘ
museum ⓘ tourist attraction ⓘ |
| hasKeeperHouse | yes ⓘ |
| hasLantern | yes ⓘ |
| hasViewOf |
Long Island Sound
NERFINISHED
ⓘ
Manhattan skyline NERFINISHED ⓘ |
| heritageDesignation | National Register of Historic Places ⓘ |
| inception | 1868 ⓘ |
| isPartOf | maritime heritage of Norwalk ⓘ |
| lightCharacteristic | fixed white (historical) ⓘ |
| locatedIn |
Connecticut
ⓘ
Fairfield County, Connecticut ⓘ Norwalk, Connecticut NERFINISHED ⓘ Sheffield Island NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| locatedOn | Long Island Sound NERFINISHED ⓘ |
| locatedWithin | Stepping Stones Islands NERFINISHED ⓘ |
| materialUsed | stone ⓘ |
| nearbyCity | Norwalk NERFINISHED ⓘ |
| numberOfStories | 2 ⓘ |
| openToPublic | yes ⓘ |
| operator | Norwalk Seaport Association NERFINISHED ⓘ |
| ownedBy | Norwalk Seaport Association NERFINISHED ⓘ |
| region | New England NERFINISHED ⓘ |
| seasonalOperation | summer ⓘ |
| state | Connecticut ⓘ |
| status | decommissioned as an active lighthouse ⓘ |
| touristActivity |
bird watching
ⓘ
guided tours ⓘ nature walks ⓘ picnicking ⓘ |
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: Sheffield Island Lighthouse Description of subject: Sheffield Island Lighthouse is a historic 19th-century lighthouse and popular tourist destination located on Sheffield Island off the coast of Norwalk, Connecticut.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.