Long Sandall Lock
E489609
Long Sandall Lock is a canal lock on the Sheffield and South Yorkshire Navigation in South Yorkshire, England, used to raise and lower boats along the waterway.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Long Sandall Lock canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5047901 — 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: Long Sandall Lock Context triple: [Sheffield and South Yorkshire Navigation, hasLock, Long Sandall Lock]
-
A.
Allington Lock
Allington Lock is a key navigation and flood-control lock on the River Medway in Kent, England, marking the tidal limit of the river.
-
B.
Saltersford Lock
Saltersford Lock is a navigation lock on the River Weaver in Cheshire, England, used to manage water levels and enable boat passage along the river.
-
C.
Birstall Lock
Birstall Lock is a canal lock on the River Soar in Leicestershire, England, used to manage water levels and enable boat navigation along the river.
-
D.
Kirkstead Lock
Kirkstead Lock is a navigation lock on the River Witham in Lincolnshire, England, used to manage water levels and enable boat passage along the river.
-
E.
Bardney Lock
Bardney Lock is a navigation lock on the River Witham in Lincolnshire, England, used to manage water levels and enable boat passage along the river.
- 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: Long Sandall Lock Target entity description: Long Sandall Lock is a canal lock on the Sheffield and South Yorkshire Navigation in South Yorkshire, England, used to raise and lower boats along the waterway.
-
A.
Allington Lock
Allington Lock is a key navigation and flood-control lock on the River Medway in Kent, England, marking the tidal limit of the river.
-
B.
Saltersford Lock
Saltersford Lock is a navigation lock on the River Weaver in Cheshire, England, used to manage water levels and enable boat passage along the river.
-
C.
Birstall Lock
Birstall Lock is a canal lock on the River Soar in Leicestershire, England, used to manage water levels and enable boat navigation along the river.
-
D.
Kirkstead Lock
Kirkstead Lock is a navigation lock on the River Witham in Lincolnshire, England, used to manage water levels and enable boat passage along the river.
-
E.
Bardney Lock
Bardney Lock is a navigation lock on the River Witham in Lincolnshire, England, used to manage water levels and enable boat passage along the river.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
canal lock
ⓘ
navigation lock ⓘ |
| country | England ⓘ |
| hasAccess | inland waterway vessels ⓘ |
| hasFeature |
gates at each end
ⓘ
paddles for water control ⓘ |
| hasFunction | overcome change in water level ⓘ |
| hasGeographicContext |
northern England
ⓘ
linked to:
Northern England
|
| hasManagingAuthority | Canal & River Trust ⓘ |
| hasMedium | freshwater ⓘ |
| hasRegion | Yorkshire and the Humber ⓘ |
| isEngineeringStructure | true ⓘ |
| isInlandWaterwayInfrastructure | true ⓘ |
| isPartOfTransportNetwork | British inland waterways ⓘ |
| isStructureType | lock chamber ⓘ |
| locatedIn |
Long Sandall area
ⓘ
South Yorkshire ⓘ |
| locatedNear | Doncaster ⓘ |
| locatedOnWaterway | Sheffield and South Yorkshire Navigation ⓘ |
| partOf |
Sheffield and South Yorkshire Navigation lock system
ⓘ
linked to:
Sheffield and South Yorkshire Navigation
|
| servesTraffic |
commercial vessels
ⓘ
pleasure craft ⓘ |
| supportsActivity |
inland freight transport
ⓘ
recreational boating ⓘ |
| usedFor |
lowering boats
ⓘ
navigation of boats ⓘ raising boats ⓘ |
| waterwayConnects |
River Don navigation system
ⓘ
linked to:
River Don Navigation
|
| waterwayTypeServed | canal ⓘ |
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: Long Sandall Lock Description of subject: Long Sandall Lock is a canal lock on the Sheffield and South Yorkshire Navigation in South Yorkshire, England, used to raise and lower boats along the waterway.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.