River Witham navigation system
E570159
The River Witham navigation system is a network of engineered waterways, locks, and channels in Lincolnshire, England, designed to make the River Witham navigable for boats and commercial traffic.
All labels observed (1)
| Label | Occurrences |
|---|---|
| River Witham navigation system canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6062724 — 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 Witham navigation system Context triple: [Bardney Lock, partOf, River Witham navigation system]
-
A.
River Wey Navigation
The River Wey Navigation is a historic canalised river in Surrey, England, forming part of one of the country’s earliest navigable waterways and linking the River Wey to the River Thames.
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B.
Sleaford Navigation
Sleaford Navigation is a restored historic canal in Lincolnshire, England, that once served as an important waterway for transporting goods to and from the town of Sleaford.
-
C.
Grantham Canal
The Grantham Canal is a historic English waterway in the East Midlands that once linked the town of Grantham to the national canal network, primarily serving 18th- and 19th-century trade and now valued for leisure and wildlife.
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D.
Aire and Calder Navigation
The Aire and Calder Navigation is a major canalised river and waterway in West Yorkshire, England, historically important for transporting coal and goods between the industrial towns of the Pennines and the Humber estuary.
-
E.
Warwick and Napton Canal
The Warwick and Napton Canal is a historic English waterway that once linked Warwick to Napton Junction and now forms part of the main line of the Grand Union Canal.
- 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 Witham navigation system Target entity description: The River Witham navigation system is a network of engineered waterways, locks, and channels in Lincolnshire, England, designed to make the River Witham navigable for boats and commercial traffic.
-
A.
River Wey Navigation
The River Wey Navigation is a historic canalised river in Surrey, England, forming part of one of the country’s earliest navigable waterways and linking the River Wey to the River Thames.
-
B.
Sleaford Navigation
Sleaford Navigation is a restored historic canal in Lincolnshire, England, that once served as an important waterway for transporting goods to and from the town of Sleaford.
-
C.
Grantham Canal
The Grantham Canal is a historic English waterway in the East Midlands that once linked the town of Grantham to the national canal network, primarily serving 18th- and 19th-century trade and now valued for leisure and wildlife.
-
D.
Aire and Calder Navigation
The Aire and Calder Navigation is a major canalised river and waterway in West Yorkshire, England, historically important for transporting coal and goods between the industrial towns of the Pennines and the Humber estuary.
-
E.
Warwick and Napton Canal
The Warwick and Napton Canal is a historic English waterway that once linked Warwick to Napton Junction and now forms part of the main line of the Grand Union Canal.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
inland waterway
ⓘ
navigation system ⓘ waterway network ⓘ |
| connects |
Boston
ⓘ
Lincoln ⓘ The Wash ⓘ |
| country | England ⓘ |
| follows | River Witham ⓘ |
| hasFunction |
improve navigability of River Witham
ⓘ
regulate water levels ⓘ support local trade ⓘ |
| hasPart |
artificial cuts
ⓘ
drainage ditches ⓘ engineered channels ⓘ flood banks ⓘ locks ⓘ sluices ⓘ weirs ⓘ |
| locatedIn |
Fenlands
ⓘ
Lincolnshire ⓘ United Kingdom ⓘ |
| maintainedBy |
drainage boards
ⓘ
navigation authorities ⓘ |
| navigableFor |
narrowboats
ⓘ
pleasure craft ⓘ small commercial vessels ⓘ |
| partOf | British inland waterways network ⓘ |
| region | East Midlands ⓘ |
| use |
angling access
ⓘ
boat navigation ⓘ commercial traffic ⓘ drainage ⓘ flood control ⓘ leisure boating ⓘ |
| watercourse | River Witham ⓘ |
| waterwayType |
canalised river
ⓘ
navigation ⓘ |
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 Witham navigation system Description of subject: The River Witham navigation system is a network of engineered waterways, locks, and channels in Lincolnshire, England, designed to make the River Witham navigable for boats and commercial traffic.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.