High Maynard Reservoir
E907109
High Maynard Reservoir is a water storage reservoir in the Lea Valley in London, forming part of the city's public water supply and recreational landscape.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Low Maynard Reservoir | 3 |
| High Maynard Reservoir canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11015931 — 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: High Maynard Reservoir Context triple: [Lee Valley Regional Park, hasPart, High Maynard Reservoir]
-
A.
Fort Meadow Reservoir
Fort Meadow Reservoir is a recreational lake in Marlborough, Massachusetts, known for activities such as swimming, boating, and fishing.
-
B.
Greenfield Reservoir
Greenfield Reservoir is a man-made water reservoir in the Saddleworth area of Greater Manchester, England, forming part of the network of upland reservoirs in the Peak District.
-
C.
Buckley Dunton Reservoir
Buckley Dunton Reservoir is a scenic man-made lake in Becket, Massachusetts, popular for fishing, paddling, and wildlife viewing within the Berkshires.
-
D.
East Head Reservoir
East Head Reservoir is a scenic freshwater lake located within Massachusetts' Myles Standish State Forest, popular for recreation such as fishing, paddling, and wildlife viewing.
-
E.
Goodwin Reservoir
Goodwin Reservoir is a man-made water storage lake on the Stanislaus River in California, used primarily for irrigation, water supply, and recreation.
- 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: High Maynard Reservoir Target entity description: High Maynard Reservoir is a water storage reservoir in the Lea Valley in London, forming part of the city's public water supply and recreational landscape.
-
A.
Fort Meadow Reservoir
Fort Meadow Reservoir is a recreational lake in Marlborough, Massachusetts, known for activities such as swimming, boating, and fishing.
-
B.
Greenfield Reservoir
Greenfield Reservoir is a man-made water reservoir in the Saddleworth area of Greater Manchester, England, forming part of the network of upland reservoirs in the Peak District.
-
C.
Buckley Dunton Reservoir
Buckley Dunton Reservoir is a scenic man-made lake in Becket, Massachusetts, popular for fishing, paddling, and wildlife viewing within the Berkshires.
-
D.
East Head Reservoir
East Head Reservoir is a scenic freshwater lake located within Massachusetts' Myles Standish State Forest, popular for recreation such as fishing, paddling, and wildlife viewing.
-
E.
Goodwin Reservoir
Goodwin Reservoir is a man-made water storage lake on the Stanislaus River in California, used primarily for irrigation, water supply, and recreation.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
drinking water reservoir
ⓘ
reservoir ⓘ |
| basinCountry | United Kingdom ⓘ |
| country | United Kingdom ⓘ |
| hasFunction |
regulation of water supply
ⓘ
support for urban water demand ⓘ water storage ⓘ |
| hasRecreationalUse |
angling
ⓘ
birdwatching ⓘ walking ⓘ |
| hasShoreLength | artificially engineered banks ⓘ |
| isFedBy |
River Lea system
ⓘ
linked to:
River Lea
|
| locatedIn |
England
ⓘ
Lea Valley ⓘ London ⓘ
linked to:
London, England
London Borough of Waltham Forest ⓘ North-east London ⓘ
linked to:
Northeast London
|
| locatedNear |
Low Maynard Reservoir
ⓘ
linked to:
High Maynard Reservoir
Tottenham ⓘ Walthamstow ⓘ Walthamstow Reservoirs ⓘ
linked to:
Chingford Reservoirs
|
| locatedOnWatercourse | River Lea ⓘ |
| operator | Thames Water ⓘ |
| partOf |
Lea Valley Park landscape
ⓘ
linked to:
Lea Valley Park
Lea Valley Reservoir Chain ⓘ
linked to:
Chingford Reservoirs
Lea Valley reservoirs ⓘ
linked to:
Lee Valley reservoirs
London water supply system ⓘ |
| use |
public water supply
ⓘ
recreation ⓘ |
| waterType | freshwater ⓘ |
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: High Maynard Reservoir Description of subject: High Maynard Reservoir is a water storage reservoir in the Lea Valley in London, forming part of the city's public water supply and recreational landscape.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: High Maynard Reservoir
linked to: High Maynard Reservoir
linked to: High Maynard Reservoir