Milford Haven Waterway
E125842
Milford Haven Waterway is a large natural harbour and deep estuary in southwest Wales, known for its sheltered anchorage, maritime industry, and oil and gas facilities.
All labels observed (8)
How this entity was disambiguated
This entity first appeared as the object of triple T1051802 — 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: Milford Haven Waterway Context triple: [Pembrokeshire, contains, Milford Haven Waterway]
-
A.
Bristol Harbour
Bristol Harbour is the historic city-centre port of Bristol, England, now a regenerated waterfront area known for its maritime heritage, cultural attractions, and leisure activities.
-
B.
Forth estuary
The Forth estuary is the tidal mouth of Scotland’s River Forth, forming a broad inlet on the country’s east coast that has long been important for shipping, industry, and iconic bridges such as the Forth Bridge.
-
C.
Loughor estuary
The Loughor estuary is a tidal estuary in South Wales where the River Loughor meets the sea, forming part of the boundary between Carmarthenshire and Swansea and supporting important wildlife habitats.
-
D.
Southampton Water
Southampton Water is a tidal estuary on the south coast of England that forms the approach to the port of Southampton, where several rivers meet the Solent.
-
E.
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.
- 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: Milford Haven Waterway Target entity description: Milford Haven Waterway is a large natural harbour and deep estuary in southwest Wales, known for its sheltered anchorage, maritime industry, and oil and gas facilities.
-
A.
Bristol Harbour
Bristol Harbour is the historic city-centre port of Bristol, England, now a regenerated waterfront area known for its maritime heritage, cultural attractions, and leisure activities.
-
B.
Forth estuary
The Forth estuary is the tidal mouth of Scotland’s River Forth, forming a broad inlet on the country’s east coast that has long been important for shipping, industry, and iconic bridges such as the Forth Bridge.
-
C.
Loughor estuary
The Loughor estuary is a tidal estuary in South Wales where the River Loughor meets the sea, forming part of the boundary between Carmarthenshire and Swansea and supporting important wildlife habitats.
-
D.
Southampton Water
Southampton Water is a tidal estuary on the south coast of England that forms the approach to the port of Southampton, where several rivers meet the Solent.
-
E.
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.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
estuary
ⓘ
natural harbour ⓘ ria ⓘ |
| connectedTo | Irish Sea ⓘ |
| country | Wales ⓘ |
| hasDesignation | important deep-water port of the United Kingdom ⓘ |
| hasFacility |
LNG import terminals
ⓘ
ferry terminal at Pembroke Dock ⓘ fuel storage depots ⓘ oil refinery terminals ⓘ |
| hasFortification |
Fort Hubberstone
ⓘ
Popton Fort ⓘ Stack Rock Fort ⓘ Thorn Island Fort ⓘ
linked to:
Palmerston Fort
|
| hasInflow |
Eastern Cleddau
ⓘ
linked to:
River Cleddau
River Cleddau ⓘ Western Cleddau ⓘ
linked to:
River Cleddau
|
| hasIsland |
Grassholm (near outer approaches)
ⓘ
linked to:
Grassholm
Stack Rock ⓘ Thorn Island ⓘ |
| hasMouthNear |
Angle
ⓘ
Milford Haven ⓘ |
| hasPort |
Port of Milford Haven
ⓘ
linked to:
Milford Haven
|
| hasTownOnShore |
Milford Haven
ⓘ
Neyland ⓘ Pembroke Dock ⓘ |
| hasVillageOnShore |
Angle
ⓘ
Burton ⓘ Dale ⓘ Herbrandston ⓘ Llanstadwell ⓘ Rosemarket ⓘ |
| knownFor |
LNG terminals
ⓘ
commercial shipping ⓘ deep-water harbour ⓘ ferry services ⓘ oil and gas terminals ⓘ petrochemical industry ⓘ recreational boating ⓘ sheltered anchorage ⓘ |
| locatedIn |
Pembrokeshire
ⓘ
southwest Wales ⓘ
linked to:
West Wales
|
| locatedWithin |
Pembrokeshire Coast National Park (partly)
ⓘ
linked to:
Pembrokeshire Coast National Park
|
| managedBy |
Port of Milford Haven
ⓘ
linked to:
Milford Haven
|
| opensInto | Celtic Sea ⓘ |
| partOf | Cleddau estuary system ⓘ |
| usedFor |
commercial shipping
ⓘ
fishing ⓘ naval operations (historically) ⓘ recreational sailing ⓘ watersports ⓘ |
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: Milford Haven Waterway Description of subject: Milford Haven Waterway is a large natural harbour and deep estuary in southwest Wales, known for its sheltered anchorage, maritime industry, and oil and gas facilities.
Referenced by (57)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Milford Haven Waterway
linked to: Milford Haven Waterway
linked to: Milford Haven Waterway
linked to: Milford Haven Waterway
subject linked to:
PEMBROKE
linked to: Milford Haven Waterway
linked to: Milford Haven Waterway
linked to: Milford Haven Waterway