Hertford Lock
E260364
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hertford Lock canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2346266 — 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: Hertford Lock Context triple: [River Lea, hasStructure, Hertford Lock]
-
A.
Eastham Lock
Eastham Lock is a major lock complex at the entrance of the Manchester Ship Canal near the River Mersey, enabling sea-going vessels to access the inland waterway.
-
B.
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.
-
C.
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.
-
D.
Brentford Lock
Brentford Lock is a historic canal lock and waterside area on the Grand Union Canal in Brentford, west London, known for its maritime heritage and regenerated residential and leisure developments.
-
E.
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.
- 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: Hertford Lock Target entity description: 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.
-
A.
Eastham Lock
Eastham Lock is a major lock complex at the entrance of the Manchester Ship Canal near the River Mersey, enabling sea-going vessels to access the inland waterway.
-
B.
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.
-
C.
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.
-
D.
Brentford Lock
Brentford Lock is a historic canal lock and waterside area on the Grand Union Canal in Brentford, west London, known for its maritime heritage and regenerated residential and leisure developments.
-
E.
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.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
lock on a river
ⓘ
navigation lock ⓘ |
| country | England ⓘ |
| county | Hertfordshire ⓘ |
| hasAccess | boat traffic ⓘ |
| hasCategory |
Locks of England
ⓘ
Locks on the River Lea ⓘ Transport in Hertfordshire ⓘ |
| hasFunction | raising and lowering boats between different water levels ⓘ |
| hasInfrastructureType | inland waterway infrastructure ⓘ |
| hasPurpose |
controlling water levels on the River Lea
ⓘ
facilitating navigation on the River Lea ⓘ |
| isOnNavigation | Lee Navigation ⓘ |
| isOnRiver | Lea ⓘ |
| isPartOf | British inland waterways network ⓘ |
| locatedIn | Hertfordshire ⓘ |
| locatedInCountry |
England
ⓘ
United Kingdom ⓘ |
| locatedOnWaterway | River Lea ⓘ |
| partOf | River Lea Navigation ⓘ |
| region | East of England ⓘ |
| usedBy |
narrowboats
ⓘ
other small vessels ⓘ pleasure craft ⓘ |
| usedFor |
enabling boat passage
ⓘ
managing water levels ⓘ navigation ⓘ |
| watercourse | River Lea ⓘ |
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: Hertford Lock Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.