Feildes Weir
E259377
Feildes Weir is a historic river weir on the River Lea in England, used to control water levels and flow for navigation and water management.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Feildes Weir canonical | 1 |
| Hertford Weir | 1 |
| River Lee weirs | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2346267 — 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: Feildes Weir Context triple: [River Lea, hasStructure, Feildes Weir]
-
A.
Bath Weir
Bath Weir is a distinctive curved weir on the River Avon in the city of Bath, England, known as a prominent historic and scenic riverside feature near Pulteney Bridge.
-
B.
Lagan Weir
Lagan Weir is a river control and pedestrian bridge structure in Belfast that regulates water levels on the River Lagan and has become a notable local landmark.
-
C.
Keswick Dam
Keswick Dam is a concrete gravity dam on the Sacramento River in Northern California that regulates flows and generates hydroelectric power as part of the region’s large federal water management system.
-
D.
Foziling Reservoir
Foziling Reservoir is a major multipurpose water conservancy project in Anhui Province, China, known for flood control, irrigation, and water supply within the Huai River basin.
-
E.
Claerwen Reservoir
Claerwen Reservoir is a large upland water reservoir in mid Wales, known for its impressive dam and scenic surroundings within the Elan Valley.
- 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: Feildes Weir Target entity description: Feildes Weir is a historic river weir on the River Lea in England, used to control water levels and flow for navigation and water management.
-
A.
Bath Weir
Bath Weir is a distinctive curved weir on the River Avon in the city of Bath, England, known as a prominent historic and scenic riverside feature near Pulteney Bridge.
-
B.
Lagan Weir
Lagan Weir is a river control and pedestrian bridge structure in Belfast that regulates water levels on the River Lagan and has become a notable local landmark.
-
C.
Keswick Dam
Keswick Dam is a concrete gravity dam on the Sacramento River in Northern California that regulates flows and generates hydroelectric power as part of the region’s large federal water management system.
-
D.
Foziling Reservoir
Foziling Reservoir is a major multipurpose water conservancy project in Anhui Province, China, known for flood control, irrigation, and water supply within the Huai River basin.
-
E.
Claerwen Reservoir
Claerwen Reservoir is a large upland water reservoir in mid Wales, known for its impressive dam and scenic surroundings within the Elan Valley.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
river infrastructure
ⓘ
water management structure ⓘ weir ⓘ |
| associatedWith |
Lee Navigation
ⓘ
water level management for canals and navigation cuts on the Lea ⓘ |
| category |
Hydraulic structures in Hertfordshire
ⓘ
Weirs on the River Lea ⓘ |
| constructionMaterial |
concrete
ⓘ
steel ⓘ |
| country | United Kingdom ⓘ |
| crosses | River Lea ⓘ |
| function |
flood management
ⓘ
flow regulation ⓘ navigation support ⓘ water abstraction control ⓘ water level control ⓘ |
| hasComponent |
control mechanisms
ⓘ
sluice gates ⓘ |
| hasUse | support of navigation on the Lee Navigation ⓘ |
| heritageStatus | historic structure ⓘ |
| locatedIn | Lee Valley Park ⓘ |
| locatedInCountry | England ⓘ |
| locatedInNation | United Kingdom ⓘ |
| locatedInRegion | Hertfordshire ⓘ |
| locatedNear |
Broxbourne
ⓘ
Cheshunt ⓘ Hoddesdon ⓘ |
| locatedOnWaterway | River Lea ⓘ |
| managedBy |
Environment Agency
ⓘ
linked to:
Environment Agency (England)
|
| nearHydrologicalFeature | confluence of River Lea and River Stort ⓘ |
| nearWaterway | River Stort ⓘ |
| notableFor |
historic importance in regional water management
ⓘ
role in regulating River Lea flows ⓘ |
| partOf |
Lee Valley
ⓘ
River Lea water management system ⓘ |
| river | River Lea ⓘ |
| riverBasin |
River Lea basin
ⓘ
linked to:
River Lea
|
| status | operational ⓘ |
| typeOfWeir | control weir ⓘ |
| usedFor |
flood risk reduction
ⓘ
navigation on the River Lea ⓘ water management ⓘ |
| watercourseDownstream | River Lea downstream reach ⓘ |
| watercourseUpstream | River Lea upstream reach ⓘ |
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: Feildes Weir Description of subject: Feildes Weir is a historic river weir on the River Lea in England, used to control water levels and flow for navigation and water management.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Feildes Weir
linked to: Feildes Weir