Casco Bay
E30897
Casco Bay is a scenic inlet of the Gulf of Maine on the southern coast of Maine, known for its many islands, maritime history, and recreational boating and fishing.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Casco Bay canonical | 60 |
| Casco Bay estuarine system | 1 |
| Casco Bay region | 1 |
| Casco Bay watershed | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T92534 — 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: Casco Bay Context triple: [Portland, Maine, locatedOn, Casco Bay]
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A.
Nantucket Sound
Nantucket Sound is a shallow, island-fringed body of water off the southern coast of Massachusetts, known for its maritime history, beaches, and recreational boating.
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B.
Massachusetts Bay
Massachusetts Bay is a large inlet of the Atlantic Ocean on the eastern coast of Massachusetts, historically significant as the site of early English colonial settlement in New England.
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C.
Cape Cod Bay
Cape Cod Bay is a large, sheltered inlet of the Atlantic Ocean off the coast of Massachusetts, bordered by Cape Cod and known for its rich maritime history, fisheries, and coastal recreation.
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D.
Gulf of Maine
The Gulf of Maine is a large, biologically rich and cold-water marginal sea of the Atlantic Ocean off the northeastern coast of the United States and southeastern Canada.
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E.
Nantucket Harbor
Nantucket Harbor is a sheltered, historically significant harbor on the island of Nantucket, Massachusetts, known for its maritime heritage, boating, and scenic waterfront.
- 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: Casco Bay Target entity description: Casco Bay is a scenic inlet of the Gulf of Maine on the southern coast of Maine, known for its many islands, maritime history, and recreational boating and fishing.
-
A.
Nantucket Sound
Nantucket Sound is a shallow, island-fringed body of water off the southern coast of Massachusetts, known for its maritime history, beaches, and recreational boating.
-
B.
Massachusetts Bay
Massachusetts Bay is a large inlet of the Atlantic Ocean on the eastern coast of Massachusetts, historically significant as the site of early English colonial settlement in New England.
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C.
Cape Cod Bay
Cape Cod Bay is a large, sheltered inlet of the Atlantic Ocean off the coast of Massachusetts, bordered by Cape Cod and known for its rich maritime history, fisheries, and coastal recreation.
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D.
Gulf of Maine
The Gulf of Maine is a large, biologically rich and cold-water marginal sea of the Atlantic Ocean off the northeastern coast of the United States and southeastern Canada.
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E.
Nantucket Harbor
Nantucket Harbor is a sheltered, historically significant harbor on the island of Nantucket, Massachusetts, known for its maritime heritage, boating, and scenic waterfront.
- F. None of above. chosen
Statements (50)
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: Casco Bay Description of subject: Casco Bay is a scenic inlet of the Gulf of Maine on the southern coast of Maine, known for its many islands, maritime history, and recreational boating and fishing.
Referenced by (63)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Portland, Maine
this entity surface form:
Casco Bay region
this entity surface form:
Casco Bay estuarine system
subject surface form:
Portland Breakwater Light
subject surface form:
Fort Scammel