Edgartown Light
E71621
Edgartown Light is a historic lighthouse on Martha’s Vineyard in Massachusetts that guides vessels into Edgartown Harbor and serves as a notable local landmark.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Edgartown Harbor Light | 3 |
| Edgartown Light canonical | 2 |
| Edgartown Lighthouse | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T572263 — 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: Edgartown Light Context triple: [Edgartown, Massachusetts, contains, Edgartown Light]
-
A.
Gay Head Light
Gay Head Light is a historic lighthouse on the cliffs of Aquinnah, Martha’s Vineyard, known for guiding maritime traffic and its distinctive red-brick tower overlooking the Atlantic.
-
B.
Nauset Light
Nauset Light is a historic, red-and-white lighthouse on Cape Cod in Massachusetts, known as an iconic coastal landmark and symbol of the region.
-
C.
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.
-
D.
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.
-
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: Edgartown Light Target entity description: Edgartown Light is a historic lighthouse on Martha’s Vineyard in Massachusetts that guides vessels into Edgartown Harbor and serves as a notable local landmark.
-
A.
Gay Head Light
Gay Head Light is a historic lighthouse on the cliffs of Aquinnah, Martha’s Vineyard, known for guiding maritime traffic and its distinctive red-brick tower overlooking the Atlantic.
-
B.
Nauset Light
Nauset Light is a historic, red-and-white lighthouse on Cape Cod in Massachusetts, known as an iconic coastal landmark and symbol of the region.
-
C.
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.
-
D.
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.
-
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 (26)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
lighthouse ⓘ |
| category |
Buildings and structures in Dukes County, Massachusetts
ⓘ
Lighthouses in Massachusetts ⓘ Tourist attractions in Dukes County, Massachusetts ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasAlternativeName |
Edgartown Light
ⓘ
surface form:
Edgartown Harbor Light
|
| hasFunction |
navigational aid
ⓘ
tourist attraction ⓘ |
| hasName | Edgartown Light self-link ⓘ |
| heritageStatus | historic lighthouse ⓘ |
| isLandmarkOf |
Edgartown, Massachusetts
ⓘ
surface form:
Edgartown
Martha's Vineyard ⓘ |
| isOnIsland | Martha's Vineyard ⓘ |
| locatedIn |
Edgartown, Massachusetts
ⓘ
Massachusetts ⓘ United States of America ⓘ
surface form:
United States
|
| locatedInBodyOfWater | Vineyard Sound vicinity ⓘ |
| locatedOn | Martha's Vineyard ⓘ |
| overlooks | Edgartown Harbor ⓘ |
| purpose | to guide vessels into Edgartown Harbor ⓘ |
| region | New England ⓘ |
| situatedAt | Edgartown Harbor ⓘ |
| state | Massachusetts ⓘ |
| usedAs | local landmark ⓘ |
| usedFor | aids to navigation ⓘ |
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: Edgartown Light Description of subject: Edgartown Light is a historic lighthouse on Martha’s Vineyard in Massachusetts that guides vessels into Edgartown Harbor and serves as a notable local landmark.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Edgartown Harbor Light
this entity surface form:
Edgartown Lighthouse
this entity surface form:
Edgartown Harbor Light
this entity surface form:
Edgartown Harbor Light