River Idle
E109328
The River Idle is a river in Nottinghamshire, England, that drains a largely rural catchment before joining the River Trent.
All labels observed (2)
| Label | Occurrences |
|---|---|
| River Idle canonical | 24 |
| River Idle valley | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T635781 — 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 Idle Context triple: [River Trent, tributary, River Idle]
-
A.
River Cam
The River Cam is a picturesque river in eastern England best known for flowing through the historic city and university of Cambridge, where it is famous for punting and scenic college views.
-
B.
River Weaver
The River Weaver is a river in Cheshire, England, historically important for salt transport and navigation, that flows northward to join the River Mersey.
-
C.
River Soar
The River Soar is a major river in central England that flows through Leicestershire and the city of Leicester before joining the River Trent.
-
D.
River Trent
The River Trent is one of the principal rivers in the Midlands of England, flowing through cities such as Stoke-on-Trent and Nottingham before joining the Humber Estuary.
-
E.
Tarn River
The Tarn River is a major river in southern France known for its dramatic gorges, scenic valleys, and role as a tributary of the Garonne.
- 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 Idle Target entity description: The River Idle is a river in Nottinghamshire, England, that drains a largely rural catchment before joining the River Trent.
-
A.
River Cam
The River Cam is a picturesque river in eastern England best known for flowing through the historic city and university of Cambridge, where it is famous for punting and scenic college views.
-
B.
River Weaver
The River Weaver is a river in Cheshire, England, historically important for salt transport and navigation, that flows northward to join the River Mersey.
-
C.
River Soar
The River Soar is a major river in central England that flows through Leicestershire and the city of Leicester before joining the River Trent.
-
D.
River Trent
The River Trent is one of the principal rivers in the Midlands of England, flowing through cities such as Stoke-on-Trent and Nottingham before joining the Humber Estuary.
-
E.
Tarn River
The Tarn River is a major river in southern France known for its dramatic gorges, scenic valleys, and role as a tributary of the Garonne.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinSize | approximately 1400 square kilometres ⓘ |
| catchmentCharacter | largely rural ⓘ |
| country | England ⓘ |
| crossedBy |
A1 road
ⓘ
East Coast Main Line railway ⓘ
linked to:
East Coast Main Line
|
| drainageBasin |
River Trent basin
ⓘ
linked to:
River Trent
|
| flowsThrough |
Barnby Moor area
ⓘ
Bassetlaw district ⓘ Mattersey ⓘ Misterton ⓘ Nottinghamshire ⓘ Retford ⓘ |
| hasConservationSite | Idle Valley Nature Reserve ⓘ |
| hasFloodplain | Idle Valley ⓘ |
| hasFloodRisk | prone to flooding in washlands ⓘ |
| hasTributary |
Oldcotes Dyke
ⓘ
River Maun ⓘ River Meden ⓘ River Poulter ⓘ River Ryton ⓘ River Torne (via drainage system) ⓘ
linked to:
Torne River
|
| hasUse |
angling
ⓘ
irrigation ⓘ land drainage ⓘ wildlife habitat ⓘ |
| hasWetlandArea | Idle Washlands ⓘ |
| historicalUse | navigation in lower reaches ⓘ |
| length |
approximately 45 miles
ⓘ
approximately 72 kilometres ⓘ |
| locatedIn |
East Midlands
ⓘ
Nottinghamshire ⓘ |
| managingAgency |
Environment Agency
ⓘ
linked to:
Environment Agency (England)
|
| mouthLocation |
confluence with River Trent near Stockwith Basin
ⓘ
near West Stockwith ⓘ |
| mouthOfWatercourse | River Trent ⓘ |
| nearbySettlement |
Bawtry
ⓘ
Misterton ⓘ Retford ⓘ West Stockwith ⓘ |
| partOf |
Trent catchment flood management area
ⓘ
linked to:
Trent catchment
|
| region |
North Nottinghamshire
ⓘ
linked to:
Nottinghamshire
|
| riverSystem |
River Trent system
ⓘ
linked to:
River Trent
|
| sourceLocation |
border of Nottinghamshire and South Yorkshire
ⓘ
near Bawtry ⓘ |
| tributaryOf | River Trent ⓘ |
| waterBodyType | lowland river ⓘ |
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 Idle Description of subject: The River Idle is a river in Nottinghamshire, England, that drains a largely rural catchment before joining the River Trent.
Referenced by (25)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: River Idle