Nantucket Shoals
E123675
Nantucket Shoals is a hazardous, shallow offshore area of shifting sandbars and strong currents located off the coast of Massachusetts in the Atlantic Ocean.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nantucket Shoals canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1024616 — 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: Nantucket Shoals Context triple: [Gulf of Maine, hasPart, Nantucket Shoals]
-
A.
Stellwagen Bank
Stellwagen Bank is a shallow underwater plateau in the Gulf of Maine renowned as a rich marine habitat and premier whale-watching area within the Stellwagen Bank National Marine Sanctuary.
-
B.
Esmeralda Bank
Esmeralda Bank is a notable submarine volcano located within the Mariana volcanic arc in the western Pacific Ocean.
-
C.
Georges Bank
Georges Bank is a shallow, nutrient-rich submarine plateau off the coast of New England and Atlantic Canada, historically known as one of the world’s most productive fishing grounds.
-
D.
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.
-
E.
Robbins Reef
Robbins Reef is a small rocky shoal in Upper New York Bay best known as the site of the historic Robbins Reef Lighthouse, which has long guided ships entering New York Harbor.
- 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: Nantucket Shoals Target entity description: Nantucket Shoals is a hazardous, shallow offshore area of shifting sandbars and strong currents located off the coast of Massachusetts in the Atlantic Ocean.
-
A.
Stellwagen Bank
Stellwagen Bank is a shallow underwater plateau in the Gulf of Maine renowned as a rich marine habitat and premier whale-watching area within the Stellwagen Bank National Marine Sanctuary.
-
B.
Esmeralda Bank
Esmeralda Bank is a notable submarine volcano located within the Mariana volcanic arc in the western Pacific Ocean.
-
C.
Georges Bank
Georges Bank is a shallow, nutrient-rich submarine plateau off the coast of New England and Atlantic Canada, historically known as one of the world’s most productive fishing grounds.
-
D.
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.
-
E.
Robbins Reef
Robbins Reef is a small rocky shoal in Upper New York Bay best known as the site of the historic Robbins Reef Lighthouse, which has long guided ships entering New York Harbor.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
hazardous offshore area
ⓘ
shoal ⓘ |
| adjacentTo |
North Atlantic shipping routes
ⓘ
shipping lanes to and from New England ports ⓘ |
| climateZone | temperate marine climate ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasBottomType |
gravel in some areas
ⓘ
sand ⓘ |
| hasCharacteristic |
navigation hazard
ⓘ
shallow waters ⓘ shifting sandbars ⓘ strong currents ⓘ |
| hasEcologicalRole | important fishing grounds regionally ⓘ |
| hasFeature |
complex tidal currents
ⓘ
extensive sandbar system ⓘ rapidly changing depths ⓘ |
| hasHistoryOf |
groundings
ⓘ
shipwrecks ⓘ |
| hasMaximumDepth | relatively shallow compared to surrounding Atlantic waters ⓘ |
| hasRiskFactor |
breaking waves over shoals
ⓘ
poor visibility due to fog ⓘ strong tidal rips ⓘ |
| influences |
local ocean currents
ⓘ
regional marine ecosystems ⓘ |
| isIncludedIn | lists of dangerous maritime areas ⓘ |
| knownFor |
breaking seas
ⓘ
dangerous conditions for shipping ⓘ frequent fog ⓘ |
| locatedEastOf |
Nantucket Island
ⓘ
linked to:
Nantucket
|
| locatedIn | Atlantic Ocean ⓘ |
| locatedNear | Georges Bank ⓘ |
| locatedNortheastOf | Great South Channel ⓘ |
| locatedOffCoastOf |
Massachusetts
ⓘ
Nantucket Island ⓘ
linked to:
Nantucket
|
| locatedSouthOf | Cape Cod ⓘ |
| mentionedIn | sailing directions for the Atlantic coast of the United States ⓘ |
| monitoredBy |
National Oceanic and Atmospheric Administration
ⓘ
United States Coast Guard ⓘ |
| navigationRequires |
attention to tides and currents
ⓘ
careful use of updated charts ⓘ |
| oceanRegion | Northwest Atlantic Ocean ⓘ |
| partOf | continental shelf of North America ⓘ |
| seaAreaCode | part of North Atlantic sea areas used in marine forecasts ⓘ |
| subjectOf |
maritime navigation advisories
ⓘ
nautical charts warnings ⓘ |
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: Nantucket Shoals Description of subject: Nantucket Shoals is a hazardous, shallow offshore area of shifting sandbars and strong currents located off the coast of Massachusetts in the Atlantic Ocean.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.