Watford Locks
E322567
Watford Locks is a flight of canal locks on the Grand Union Canal in Northamptonshire, England, known for lifting boats between the canal’s lower and upper levels near Watford Gap.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Watford Locks canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3019264 — 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: Watford Locks Context triple: [Grand Union Canal, hasLock, Watford Locks]
-
A.
Hatton Locks
Hatton Locks is a famous flight of canal locks near Warwick in England, known for its steep rise and historic role in enabling boat traffic along the Grand Union Canal.
-
B.
Hertford Lock
Hertford Lock is a navigation lock on the River Lea in Hertfordshire, England, used to manage water levels and enable boat passage along the waterway.
-
C.
Catteshall Lock
Catteshall Lock is a historic navigation lock on the River Wey in Surrey, England, forming part of one of the country’s earliest commercial waterways.
-
D.
Shepperton Lock
Shepperton Lock is a lock on the River Thames in England, used to manage river navigation and water levels near the town of Shepperton.
-
E.
Barton Lock
Barton Lock is a lock on the Manchester Ship Canal that enables vessels to navigate changes in water level along this major industrial waterway in northwest England.
- 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: Watford Locks Target entity description: Watford Locks is a flight of canal locks on the Grand Union Canal in Northamptonshire, England, known for lifting boats between the canal’s lower and upper levels near Watford Gap.
-
A.
Hatton Locks
Hatton Locks is a famous flight of canal locks near Warwick in England, known for its steep rise and historic role in enabling boat traffic along the Grand Union Canal.
-
B.
Hertford Lock
Hertford Lock is a navigation lock on the River Lea in Hertfordshire, England, used to manage water levels and enable boat passage along the waterway.
-
C.
Catteshall Lock
Catteshall Lock is a historic navigation lock on the River Wey in Surrey, England, forming part of one of the country’s earliest commercial waterways.
-
D.
Shepperton Lock
Shepperton Lock is a lock on the River Thames in England, used to manage river navigation and water levels near the town of Shepperton.
-
E.
Barton Lock
Barton Lock is a lock on the Manchester Ship Canal that enables vessels to navigate changes in water level along this major industrial waterway in northwest England.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
canal lock flight
ⓘ
flight of canal locks ⓘ |
| connectsLevel |
lower level of Grand Union Canal
ⓘ
upper level of Grand Union Canal ⓘ |
| country | England ⓘ |
| hasFeature |
side ponds
ⓘ
staircase locks ⓘ |
| hasHeritageValue | historic canal infrastructure ⓘ |
| hasLockKeeper | yes ⓘ |
| hasNumberOfLocks | 7 ⓘ |
| hasTowpath | yes ⓘ |
| isOnRoute | Leicester Ring ⓘ |
| locatedIn | Northamptonshire ⓘ |
| locatedNear |
Watford Gap
ⓘ
Watford, Northamptonshire ⓘ |
| locatedOnWaterway | Grand Union Canal ⓘ |
| navigationAuthority | Canal & River Trust ⓘ |
| nearbyRoad |
A5 road
NERFINISHED
ⓘ
M1 motorway ⓘ |
| nearbyTransportCorridor |
Watford Gap services
ⓘ
surface form:
Watford Gap motorway and railway corridor
|
| opened | early 19th century ⓘ |
| operationType | partly supervised ⓘ |
| partOf |
British canal network
ⓘ
Grand Union Canal ⓘ
surface form:
Grand Union Canal Leicester Line
|
| primaryFunction | lift boats between canal levels ⓘ |
| region | East Midlands ⓘ |
| requiresBooking | at busy times ⓘ |
| usedFor |
leisure boating
ⓘ
narrowboat traffic ⓘ |
| waterwayType | broad 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: Watford Locks Description of subject: Watford Locks is a flight of canal locks on the Grand Union Canal in Northamptonshire, England, known for lifting boats between the canal’s lower and upper levels near Watford Gap.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.