River Calder (West Yorkshire)
E870265
River Calder (West Yorkshire) is a major river in West Yorkshire, England, flowing through towns such as Todmorden, Hebden Bridge, and Wakefield before joining the River Aire.
All labels observed (2)
| Label | Occurrences |
|---|---|
| River Calder (West Yorkshire) canonical | 3 |
| River Calder at Mytholmroyd | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10551475 — 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 Calder (West Yorkshire) Context triple: [Walsden Water, tributaryOf, River Calder (West Yorkshire)]
-
A.
River Calder (Lancashire)
River Calder (Lancashire) is a river in Lancashire, England, that flows through towns such as Burnley and Whalley before joining the River Ribble.
-
B.
River Calder (Lancashire)
River Calder (Lancashire) is a river in Lancashire, England, that flows through the Forest of Bowland area before joining the River Wyre.
-
C.
River Calder (Cumbria)
River Calder (Cumbria) is a small river in the English Lake District that flows through the western fells of Cumbria before reaching the Irish Sea.
-
D.
Mid Calder
Mid Calder is a historic village in West Lothian, Scotland, known for its conservation area status and traditional stone buildings.
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E.
River Calder (Yorkshire) catchment
The River Calder (Yorkshire) catchment is the drainage basin in West Yorkshire that collects water from the eastern slopes of the Pennines and feeds it into the River Calder and its tributaries.
- 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 Calder (West Yorkshire) Target entity description: River Calder (West Yorkshire) is a major river in West Yorkshire, England, flowing through towns such as Todmorden, Hebden Bridge, and Wakefield before joining the River Aire.
-
A.
River Calder (Lancashire)
River Calder (Lancashire) is a river in Lancashire, England, that flows through towns such as Burnley and Whalley before joining the River Ribble.
-
B.
River Calder (Lancashire)
River Calder (Lancashire) is a river in Lancashire, England, that flows through the Forest of Bowland area before joining the River Wyre.
-
C.
River Calder (Cumbria)
River Calder (Cumbria) is a small river in the English Lake District that flows through the western fells of Cumbria before reaching the Irish Sea.
-
D.
Mid Calder
Mid Calder is a historic village in West Lothian, Scotland, known for its conservation area status and traditional stone buildings.
-
E.
River Calder (Yorkshire) catchment
The River Calder (Yorkshire) catchment is the drainage basin in West Yorkshire that collects water from the eastern slopes of the Pennines and feeds it into the River Calder and its tributaries.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| country | England ⓘ |
| crossedBy |
A58 road
NERFINISHED
ⓘ
A644 road NERFINISHED ⓘ M62 motorway NERFINISHED ⓘ railway bridges ⓘ |
| drainageBasin | Pennines eastern slopes NERFINISHED ⓘ |
| environmentalIssue | historic industrial pollution ⓘ |
| flowsThrough |
Brighouse
NERFINISHED
ⓘ
Castleford NERFINISHED ⓘ Dewsbury NERFINISHED ⓘ Hebden Bridge NERFINISHED ⓘ Mirfield NERFINISHED ⓘ Sowerby Bridge NERFINISHED ⓘ Todmorden NERFINISHED ⓘ Wakefield NERFINISHED ⓘ |
| hasCanal | Calder and Hebble Navigation NERFINISHED ⓘ |
| hasFloodRisk | towns along the Calder Valley ⓘ |
| hasTributary |
River Colne (West Yorkshire)
NERFINISHED
ⓘ
River Dearne NERFINISHED ⓘ River Hebble NERFINISHED ⓘ River Holme NERFINISHED ⓘ River Ryburn NERFINISHED ⓘ River Spen NERFINISHED ⓘ |
| knownFor |
industrial heritage
ⓘ
textile mill towns along its course ⓘ |
| locatedIn |
Northern England
ⓘ
United Kingdom ⓘ West Yorkshire ⓘ Yorkshire NERFINISHED ⓘ |
| managingAuthority | Environment Agency (England) NERFINISHED ⓘ |
| mouthLocation | near Castleford ⓘ |
| mouthOf | River Aire NERFINISHED ⓘ |
| parallelInfrastructure | Calder and Hebble Navigation NERFINISHED ⓘ |
| partOf |
Humber river basin
NERFINISHED
ⓘ
Ouse river system ⓘ River Aire catchment NERFINISHED ⓘ |
| passesThrough | Calder Valley NERFINISHED ⓘ |
| region |
Calderdale
NERFINISHED
ⓘ
Kirklees NERFINISHED ⓘ Wakefield district NERFINISHED ⓘ |
| sourceLocation |
Pennines
NERFINISHED
ⓘ
near Todmorden ⓘ |
| tributaryOf | River Aire NERFINISHED ⓘ |
| usedFor |
industrial water supply
ⓘ
navigation (historically) ⓘ recreation ⓘ |
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 Calder (West Yorkshire) Description of subject: River Calder (West Yorkshire) is a major river in West Yorkshire, England, flowing through towns such as Todmorden, Hebden Bridge, and Wakefield before joining the River Aire.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
River Calder at Mytholmroyd