Menai Strait
E225035
Menai Strait is a narrow tidal waterway in northwest Wales that separates the island of Anglesey from the mainland and is known for its strong currents and historic bridges.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Menai Strait canonical | 95 |
| Menai Strait (nearby coastal waters) | 1 |
| Menai Strait (part) | 1 |
| Menai Strait (regionally) | 1 |
| Menai Strait area | 1 |
| Menai Strait tidal channel | 1 |
| the Menai Strait | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1975237 — 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: Menai Strait Context triple: [Anglesey, separatedBy, Menai Strait]
-
A.
Swansea Channel
Swansea Channel is a tidal waterway in New South Wales, Australia, that connects Lake Macquarie to the Pacific Ocean near the town of Swansea.
-
B.
St George’s Channel
St George’s Channel is the sea passage between southeastern Ireland and southwestern Wales that links the Irish Sea with the broader Atlantic Ocean.
-
C.
Bristol Channel
The Bristol Channel is a major inlet of the Atlantic Ocean separating South Wales from southwest England and providing access to the Severn Estuary.
-
D.
Plymouth Sound
Plymouth Sound is a large natural harbor and bay on the south coast of Devon, England, known for its maritime history and strategic naval importance.
-
E.
English Strait
English Strait is a narrow waterway in the South Shetland Islands of Antarctica that separates Greenwich Island from neighboring islands and forms part of an important local maritime passage.
- 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: Menai Strait Target entity description: Menai Strait is a narrow tidal waterway in northwest Wales that separates the island of Anglesey from the mainland and is known for its strong currents and historic bridges.
-
A.
Swansea Channel
Swansea Channel is a tidal waterway in New South Wales, Australia, that connects Lake Macquarie to the Pacific Ocean near the town of Swansea.
-
B.
St George’s Channel
St George’s Channel is the sea passage between southeastern Ireland and southwestern Wales that links the Irish Sea with the broader Atlantic Ocean.
-
C.
Bristol Channel
The Bristol Channel is a major inlet of the Atlantic Ocean separating South Wales from southwest England and providing access to the Severn Estuary.
-
D.
Plymouth Sound
Plymouth Sound is a large natural harbor and bay on the south coast of Devon, England, known for its maritime history and strategic naval importance.
-
E.
English Strait
English Strait is a narrow waterway in the South Shetland Islands of Antarctica that separates Greenwich Island from neighboring islands and forms part of an important local maritime passage.
- F. None of above. chosen
Statements (58)
| Predicate | Object |
|---|---|
| instanceOf |
tidal strait
ⓘ
waterway ⓘ |
| country | Wales ⓘ |
| crossedBy |
Britannia Bridge
ⓘ
Menai Suspension Bridge ⓘ
linked to:
Menai Bridge
|
| flowsBetween |
Anglesey
ⓘ
Gwynedd ⓘ |
| hasAquaculture | mussel farming ⓘ |
| hasDesignation |
Site of Special Scientific Interest
ⓘ
Special Area of Conservation ⓘ |
| hasFeature |
intertidal habitats
ⓘ
mudflats ⓘ rocky shoals ⓘ salt marshes ⓘ sandbanks ⓘ |
| hasHazard |
strong tidal races
ⓘ
submerged rocks ⓘ whirlpools ⓘ |
| hasIsland |
Puffin Island
ⓘ
Ynys Benlas ⓘ Ynys Castell ⓘ Ynys Faelog ⓘ Ynys Gaint ⓘ Ynys Gorad Goch ⓘ
linked to:
Ynys Gored Goch
Ynys Gored Goch ⓘ Ynys Tysilio ⓘ Ynys y Big ⓘ
linked to:
Ynys Gaint
|
| hasLength |
approximately 16 miles
ⓘ
approximately 25 kilometres ⓘ |
| hasMaximumWidth |
about 1 mile
ⓘ
about 1.6 kilometres ⓘ |
| hasMinimumWidth |
about 1,300 feet
ⓘ
about 400 metres ⓘ |
| hasNotableSection |
Swelly Rock
ⓘ
The Swellies ⓘ |
| hasWelshName | Afon Menai ⓘ |
| historicallyUsedFor | navigation route between Irish Sea and local ports ⓘ |
| knownFor |
complex tidal patterns
ⓘ
historic bridges ⓘ strong tidal currents ⓘ |
| languageOfToponym | Welsh ⓘ |
| locatedIn |
northwest Wales
ⓘ
linked to:
North Wales
|
| near |
Bangor
ⓘ
Beaumaris ⓘ Caernarfon ⓘ
linked to:
Caernarfon, Gwynedd
Menai Bridge (town) ⓘ Snowdonia ⓘ |
| partOf | Irish Sea ⓘ |
| separates |
Isle of Anglesey
ⓘ
linked to:
Anglesey
mainland Wales ⓘ |
| supports | rich marine biodiversity ⓘ |
| tourismAttraction |
boat tours
ⓘ
scenic coastal views ⓘ wildlife watching ⓘ |
| usedFor |
aquaculture
ⓘ
fishing ⓘ recreational boating ⓘ sailing ⓘ |
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: Menai Strait Description of subject: Menai Strait is a narrow tidal waterway in northwest Wales that separates the island of Anglesey from the mainland and is known for its strong currents and historic bridges.
Referenced by (101)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Menai Strait
subject linked to:
Segontium Roman fort (nearby)
subject linked to:
Segontium Roman fort (nearby)
linked to: Menai Strait
subject linked to:
Menai Bridge (town)
subject linked to:
Menai Bridge (town)