Plum Island Sound
E83979
Plum Island Sound is a coastal estuary in northeastern Massachusetts where several rivers meet the Atlantic Ocean behind Plum Island.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Plum Island Sound canonical | 5 |
| Plum Island Sound and Parker River estuarine system | 1 |
| Plum Island Sound estuarine system | 1 |
| Plum Island Sound watershed | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T520275 — 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: Plum Island Sound Context triple: [Ipswich Bay, near, Plum Island Sound]
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A.
Nauset Marsh
Nauset Marsh is a coastal salt marsh and tidal estuary on Cape Cod in Massachusetts, known for its rich wildlife habitat, scenic beauty, and opportunities for kayaking and birdwatching.
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B.
Waquoit Bay
Waquoit Bay is a coastal estuary on Cape Cod in Massachusetts known for its salt marshes, barrier beaches, and protected waters within the Waquoit Bay National Estuarine Research Reserve.
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C.
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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D.
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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E.
Long Island Sound
Long Island Sound is a tidal estuary of the Atlantic Ocean located between Long Island, New York, and the coast of Connecticut, known for its maritime commerce, recreation, and diverse coastal ecosystems.
- 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: Plum Island Sound Target entity description: Plum Island Sound is a coastal estuary in northeastern Massachusetts where several rivers meet the Atlantic Ocean behind Plum Island.
-
A.
Nauset Marsh
Nauset Marsh is a coastal salt marsh and tidal estuary on Cape Cod in Massachusetts, known for its rich wildlife habitat, scenic beauty, and opportunities for kayaking and birdwatching.
-
B.
Waquoit Bay
Waquoit Bay is a coastal estuary on Cape Cod in Massachusetts known for its salt marshes, barrier beaches, and protected waters within the Waquoit Bay National Estuarine Research Reserve.
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C.
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.
-
D.
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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E.
Long Island Sound
Long Island Sound is a tidal estuary of the Atlantic Ocean located between Long Island, New York, and the coast of Connecticut, known for its maritime commerce, recreation, and diverse coastal ecosystems.
- F. None of above. chosen
Statements (43)
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: Plum Island Sound Description of subject: Plum Island Sound is a coastal estuary in northeastern Massachusetts where several rivers meet the Atlantic Ocean behind Plum Island.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Plum Island Sound
Plum Island Ecosystems Long Term Ecological Research site
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locatedIn
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Plum Island Sound estuarine system
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linked to: Plum Island Sound
linked to: Plum Island Sound