Swelly Rock
E793169
Swelly Rock is a notorious submerged hazard in the Menai Strait off the coast of Wales, known for its dangerous currents and shipwrecks.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Swelly Rock canonical | 1 |
| Swelly Rock area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9351826 — 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: Swelly Rock Context triple: [Menai Strait, hasNotableSection, Swelly Rock]
-
A.
Anawan Rock
Anawan Rock is a historic landmark in Rehoboth, Massachusetts, known as the site where Wampanoag leader Anawan was captured in 1676, effectively ending King Philip’s War.
-
B.
Cherub Rock
"Cherub Rock" is a 1993 alternative rock song by The Smashing Pumpkins, best known as the explosive, fuzz-drenched opening track of their acclaimed album *Siamese Dream*.
-
C.
Pillow Rock
Pillow Rock is a famous Class V whitewater rapid on West Virginia’s Gauley River, renowned among rafters and kayakers for its powerful hydraulics and technical challenge.
-
D.
Julian Rocks
Julian Rocks is a small group of rocky islets off the coast of Byron Bay, Australia, renowned as a marine reserve and popular diving and snorkeling site rich in marine life.
-
E.
Blossom Rock
Blossom Rock was an American character actress best known for playing Grandmama on the 1960s television series "The Addams Family."
- 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: Swelly Rock Target entity description: Swelly Rock is a notorious submerged hazard in the Menai Strait off the coast of Wales, known for its dangerous currents and shipwrecks.
-
A.
Anawan Rock
Anawan Rock is a historic landmark in Rehoboth, Massachusetts, known as the site where Wampanoag leader Anawan was captured in 1676, effectively ending King Philip’s War.
-
B.
Cherub Rock
"Cherub Rock" is a 1993 alternative rock song by The Smashing Pumpkins, best known as the explosive, fuzz-drenched opening track of their acclaimed album *Siamese Dream*.
-
C.
Pillow Rock
Pillow Rock is a famous Class V whitewater rapid on West Virginia’s Gauley River, renowned among rafters and kayakers for its powerful hydraulics and technical challenge.
-
D.
Julian Rocks
Julian Rocks is a small group of rocky islets off the coast of Byron Bay, Australia, renowned as a marine reserve and popular diving and snorkeling site rich in marine life.
-
E.
Blossom Rock
Blossom Rock was an American character actress best known for playing Grandmama on the 1960s television series "The Addams Family."
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
marine hazard
ⓘ
submerged rock ⓘ |
| country | United Kingdom ⓘ |
| environment | marine environment ⓘ |
| hasCurrents |
fast-flowing tidal streams
ⓘ
turbulent overfalls ⓘ |
| hasReputation |
notoriously dangerous to shipping
ⓘ
site of multiple historical wrecks ⓘ |
| hazardType |
navigation hazard
ⓘ
submerged reef ⓘ |
| influencedBy |
complex local bathymetry
ⓘ
strong tidal flows of Menai Strait ⓘ |
| knownFor |
dangerous tidal currents
ⓘ
shipwrecks ⓘ strong eddies ⓘ whirlpools ⓘ |
| languageContext | Welsh maritime charts ⓘ |
| locatedIn |
Menai Strait
ⓘ
United Kingdom ⓘ Wales ⓘ |
| navigationalStatus | charted hazard ⓘ |
| navigationContext | narrow channel between Anglesey and mainland Wales ⓘ |
| near |
Britannia Bridge
ⓘ
Menai Bridge ⓘ |
| offCoastOf |
Isle of Anglesey
ⓘ
linked to:
Anglesey
northwest Wales ⓘ
linked to:
north-west Wales
|
| partOf |
Menai Strait tidal channel
ⓘ
linked to:
Menai Strait
|
| region | Irish Sea ⓘ |
| risk |
grounding of vessels
ⓘ
loss of life at sea ⓘ ship collision ⓘ |
| safetyRecommendation |
avoidance at strong tide conditions
ⓘ
local pilotage advised for unfamiliar vessels ⓘ |
| usedBy | small craft with local knowledge ⓘ |
| visibility |
partially exposed at low tide
ⓘ
submerged at high tide ⓘ |
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: Swelly Rock Description of subject: Swelly Rock is a notorious submerged hazard in the Menai Strait off the coast of Wales, known for its dangerous currents and shipwrecks.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Swelly Rock