River Cleddau
E50661
The River Cleddau is a river system in Pembrokeshire, Wales, whose Eastern and Western branches meet to form the Milford Haven Waterway before reaching the Irish Sea.
All labels observed (4)
| Label | Occurrences |
|---|---|
| River Cleddau canonical | 6 |
| Western Cleddau | 5 |
| Eastern Cleddau | 3 |
| Afon Cleddau | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T332931 — 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: River Cleddau Context triple: [Irish Sea, hasInflow, River Cleddau]
-
A.
River Taff
The River Taff is a major river in South Wales that flows through Merthyr Tydfil and Cardiff before reaching the Bristol Channel.
-
B.
Neath
Neath is a historic industrial and market town in South Wales, known for its Roman and medieval heritage and its role in the coal and steel industries.
-
C.
River Avon
The River Avon is a major river in southwest England that flows through the city of Bath and eventually joins the River Severn.
-
D.
River Croal
River Croal is a small river in Greater Manchester, England, that flows through Bolton before joining the River Irwell.
-
E.
River Almond
The River Almond is a river in central Scotland that flows through West Lothian and the outskirts of Edinburgh before reaching the Firth of Forth.
- 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: River Cleddau Target entity description: The River Cleddau is a river system in Pembrokeshire, Wales, whose Eastern and Western branches meet to form the Milford Haven Waterway before reaching the Irish Sea.
-
A.
River Taff
The River Taff is a major river in South Wales that flows through Merthyr Tydfil and Cardiff before reaching the Bristol Channel.
-
B.
Neath
Neath is a historic industrial and market town in South Wales, known for its Roman and medieval heritage and its role in the coal and steel industries.
-
C.
River Avon
The River Avon is a major river in southwest England that flows through the city of Bath and eventually joins the River Severn.
-
D.
River Croal
River Croal is a small river in Greater Manchester, England, that flows through Bolton before joining the River Irwell.
-
E.
River Almond
The River Almond is a river in central Scotland that flows through West Lothian and the outskirts of Edinburgh before reaching the Firth of Forth.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
natural harbour
ⓘ
ria ⓘ river ⓘ river ⓘ river ⓘ river system ⓘ |
| basinCountry |
United Kingdom
ⓘ
Wales ⓘ |
| connectsTo | Irish Sea ⓘ |
| country |
Wales
ⓘ
Wales ⓘ |
| drainageBasin |
West Wales
ⓘ
surface form:
southwest Wales
|
| drainsInto | Atlantic Ocean via Irish Sea ⓘ |
| ecoregion |
Celtic Sea
ⓘ
surface form:
Celtic Seas
|
| environment | estuaries and coastal waters ⓘ |
| flowsInto | Milford Haven Waterway ⓘ |
| flowsThrough | Pembrokeshire Coast National Park ⓘ |
| forms | Milford Haven Waterway ⓘ |
| hasEstuary | Milford Haven Waterway ⓘ |
| hasNameInLanguage |
River Cleddau
self-linksurface differs
ⓘ
surface form:
Afon Cleddau
|
| hasPart |
River Cleddau
self-linksurface differs
ⓘ
surface form:
Eastern Cleddau
River Cleddau self-linksurface differs ⓘ
surface form:
Western Cleddau
|
| hasTributary |
River Cleddau
self-linksurface differs
ⓘ
surface form:
Eastern Cleddau
River Cleddau self-linksurface differs ⓘ
surface form:
Western Cleddau
|
| language | Welsh ⓘ |
| locatedIn |
Pembrokeshire
ⓘ
Pembrokeshire ⓘ Pembrokeshire Coast National Park ⓘ
surface form:
Pembrokeshire Coast
West Wales ⓘ
surface form:
southwest Wales
|
| mouth | Milford Haven Waterway ⓘ |
| nameLanguage | English ⓘ |
| notableFor |
deep natural harbour at Milford Haven
ⓘ
meeting of Eastern and Western branches at Milford Haven Waterway ⓘ |
| opensInto | Irish Sea ⓘ |
| partOf |
Cleddau river system
ⓘ
Milford Haven Waterway ⓘ
surface form:
Milford Haven water catchment
River Cleddau self-linksurface differs ⓘ River Cleddau self-linksurface differs ⓘ |
| refersTo | River Cleddau self-linksurface differs ⓘ |
| region | Pembrokeshire Coast National Park ⓘ |
| usedFor |
angling
ⓘ
boating ⓘ navigation in lower reaches ⓘ recreation ⓘ |
| watercourseType | tidal estuary system ⓘ |
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: River Cleddau Description of subject: The River Cleddau is a river system in Pembrokeshire, Wales, whose Eastern and Western branches meet to form the Milford Haven Waterway before reaching the Irish Sea.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Eastern Cleddau
this entity surface form:
Western Cleddau
subject surface form:
Eastern Cleddau
subject surface form:
Western Cleddau
this entity surface form:
Afon Cleddau
subject surface form:
Afon Cleddau
this entity surface form:
Eastern Cleddau
this entity surface form:
Western Cleddau
this entity surface form:
Afon Cleddau
this entity surface form:
Western Cleddau
this entity surface form:
Eastern Cleddau
this entity surface form:
Western Cleddau
this entity surface form:
Western Cleddau