Little Brewster Island
E381379
Little Brewster Island is a small island in Boston Harbor best known as the site of Boston Light, the first lighthouse established in what is now the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Little Brewster Island canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3713443 — 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: Little Brewster Island Context triple: [Boston Harbor Islands National Recreation Area, hasPart, Little Brewster Island]
-
A.
Hermit Island
Hermit Island is one of the Apostle Islands in Lake Superior, known for its rugged natural beauty and remote, undeveloped character.
-
B.
Middle Button Island
Middle Button Island is a small, uninhabited island in India’s Andaman archipelago, known for its protected marine biodiversity and inclusion in the Ritchie’s Archipelago group.
-
C.
Muggs Island
Muggs Island is a small, wooded island within Toronto’s offshore island chain, known for its natural setting and limited development.
-
D.
Spinnaker Island
Spinnaker Island is a small artificial island located within Lake Burley Griffin in Canberra, Australia.
-
E.
Woodbridge Island
Woodbridge Island is a small residential and recreational island in Milnerton, Cape Town, known for its beaches, lagoon setting, and views of Table Mountain.
- 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: Little Brewster Island Target entity description: Little Brewster Island is a small island in Boston Harbor best known as the site of Boston Light, the first lighthouse established in what is now the United States.
-
A.
Hermit Island
Hermit Island is one of the Apostle Islands in Lake Superior, known for its rugged natural beauty and remote, undeveloped character.
-
B.
Middle Button Island
Middle Button Island is a small, uninhabited island in India’s Andaman archipelago, known for its protected marine biodiversity and inclusion in the Ritchie’s Archipelago group.
-
C.
Muggs Island
Muggs Island is a small, wooded island within Toronto’s offshore island chain, known for its natural setting and limited development.
-
D.
Spinnaker Island
Spinnaker Island is a small artificial island located within Lake Burley Griffin in Canberra, Australia.
-
E.
Woodbridge Island
Woodbridge Island is a small residential and recreational island in Milnerton, Cape Town, known for its beaches, lagoon setting, and views of Table Mountain.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
island
ⓘ
landform ⓘ |
| accessibleBy | boat ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Suffolk County, Massachusetts ⓘ |
| elevation | approximately 10 meters above sea level ⓘ |
| governedBy | United States Coast Guard ⓘ |
| hasArea | about 3 acres ⓘ |
| hasCoastlineType | rocky shoreline ⓘ |
| hasFeature |
dock
ⓘ
support buildings for lighthouse operations ⓘ walkways ⓘ |
| hasLatitude | approximately 42.33° N ⓘ |
| hasLongitude | approximately 70.89° W ⓘ |
| hasStructure | Boston Light ⓘ |
| hasUse |
Coast Guard facility site
ⓘ
navigation aid site ⓘ |
| hasVegetation | sparse vegetation ⓘ |
| isSiteOf | first lighthouse established in what is now the United States ⓘ |
| locatedIn |
Boston Harbor
ⓘ
Massachusetts ⓘ United States ⓘ
linked to:
United States of America
|
| locatedInBodyOfWater | Massachusetts Bay ⓘ |
| nearestCity | Boston, Massachusetts ⓘ |
| notableFor | Boston Light ⓘ |
| partOf |
Boston Harbor Islands
ⓘ
Boston Harbor Islands National Recreation Area ⓘ |
| state | Massachusetts ⓘ |
| withinMetropolitanArea | Greater Boston ⓘ |
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: Little Brewster Island Description of subject: Little Brewster Island is a small island in Boston Harbor best known as the site of Boston Light, the first lighthouse established in what is now the United States.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.