Little Diamond Island
E232981
Little Diamond Island is a small, mostly seasonal residential island off the coast of Portland, Maine, situated in Casco Bay and accessible primarily by ferry.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Little Diamond Island canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T1478533 — 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 Diamond Island Context triple: [Casco Bay, containsIsland, Little Diamond Island]
-
A.
Great Diamond Island
Great Diamond Island is a small, largely residential island in Casco Bay, Maine, known for its historic military installations and seasonal vacation community.
-
B.
Middle Island
Middle Island is one of the small, remote islands in the Tristan da Cunha archipelago in the South Atlantic Ocean.
-
C.
Moon Island
Moon Island is a small, historically significant island in Boston Harbor that has served various municipal and military uses, including as a training site and former sewage treatment facility.
-
D.
Low Island
Low Island is a largely ice-covered, low-lying island located off the Antarctic Peninsula within the South Shetland Islands archipelago.
-
E.
Marchena Island
Marchena Island is an uninhabited volcanic island in the northern Galápagos archipelago, known for its remote location, rugged lava landscapes, and rich marine life.
- 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 Diamond Island Target entity description: Little Diamond Island is a small, mostly seasonal residential island off the coast of Portland, Maine, situated in Casco Bay and accessible primarily by ferry.
-
A.
Great Diamond Island
Great Diamond Island is a small, largely residential island in Casco Bay, Maine, known for its historic military installations and seasonal vacation community.
-
B.
Middle Island
Middle Island is one of the small, remote islands in the Tristan da Cunha archipelago in the South Atlantic Ocean.
-
C.
Moon Island
Moon Island is a small, historically significant island in Boston Harbor that has served various municipal and military uses, including as a training site and former sewage treatment facility.
-
D.
Low Island
Low Island is a largely ice-covered, low-lying island located off the Antarctic Peninsula within the South Shetland Islands archipelago.
-
E.
Marchena Island
Marchena Island is an uninhabited volcanic island in the northern Galápagos archipelago, known for its remote location, rugged lava landscapes, and rich marine life.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
island
ⓘ
seasonal residential community ⓘ |
| accessibleBy | ferry ⓘ |
| archipelago |
Casco Bay islands
ⓘ
surface form:
Casco Bay Islands
|
| climateRegion | humid continental climate ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| countrySubdivision |
Maine
ⓘ
surface form:
State of Maine
|
| governingMunicipality |
Portland, Maine
ⓘ
surface form:
City of Portland, Maine
|
| hasAccessRestriction | primarily accessible by boat ⓘ |
| hasCategory |
Casco Bay islands
ⓘ
surface form:
Islands of Casco Bay
Islands of Cumberland County, Maine ⓘ Islands of Maine ⓘ Populated coastal places in Maine ⓘ Populated places in Cumberland County, Maine ⓘ |
| hasFeature |
limited year-round residents
ⓘ
no bridge connection to mainland ⓘ private cottages ⓘ |
| hasTransportationService | Casco Bay Lines ferry ⓘ |
| hasUse |
residential
ⓘ
seasonal housing ⓘ |
| locatedIn |
Casco Bay
ⓘ
Cumberland County, Maine ⓘ Maine ⓘ Portland, Maine ⓘ |
| locatedInBodyOfWater | Atlantic Ocean ⓘ |
| nearbyCity | Portland, Maine ⓘ |
| nearbyIsland | Great Diamond Island ⓘ |
| offCoastOf | Portland, Maine ⓘ |
| populationCharacteristic | mostly seasonal residents ⓘ |
| timeZone | Eastern Time Zone ⓘ |
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 Diamond Island Description of subject: Little Diamond Island is a small, mostly seasonal residential island off the coast of Portland, Maine, situated in Casco Bay and accessible primarily by ferry.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Portland Harbor