Lee Valley reservoirs
E268740
The Lee Valley reservoirs are a chain of large man‑made lakes in northeast London that store and supply drinking water to the city and surrounding areas.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Walthamstow Reservoirs | 2 |
| Lee Valley Park reservoirs | 1 |
| Lee Valley Reservoir Chain | 1 |
| Lee Valley reservoirs canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2346258 — 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: Lee Valley reservoirs Context triple: [River Lea, waterSupplyTo, Lee Valley reservoirs]
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A.
Mill Basin
Mill Basin is a residential neighborhood and inlet area in southeastern Brooklyn, New York City, known for its waterfront homes along Jamaica Bay.
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B.
Boyds Corner Reservoir
Boyds Corner Reservoir is a small New York City water supply reservoir in Putnam County, New York, that forms part of the city’s Croton watershed system.
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C.
Chestnut Hill Reservoir
Chestnut Hill Reservoir is a historic man-made lake in the Chestnut Hill area of Boston, Massachusetts, known for its scenic walking paths and role in the city’s former water supply system.
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D.
Kempton Park Reservoirs
Kempton Park Reservoirs are a series of large water storage reservoirs in southwest London that form part of the region’s public water supply infrastructure and associated nature conservation areas.
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E.
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.
- 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: Lee Valley reservoirs Target entity description: The Lee Valley reservoirs are a chain of large man‑made lakes in northeast London that store and supply drinking water to the city and surrounding areas.
-
A.
Mill Basin
Mill Basin is a residential neighborhood and inlet area in southeastern Brooklyn, New York City, known for its waterfront homes along Jamaica Bay.
-
B.
Boyds Corner Reservoir
Boyds Corner Reservoir is a small New York City water supply reservoir in Putnam County, New York, that forms part of the city’s Croton watershed system.
-
C.
Chestnut Hill Reservoir
Chestnut Hill Reservoir is a historic man-made lake in the Chestnut Hill area of Boston, Massachusetts, known for its scenic walking paths and role in the city’s former water supply system.
-
D.
Kempton Park Reservoirs
Kempton Park Reservoirs are a series of large water storage reservoirs in southwest London that form part of the region’s public water supply infrastructure and associated nature conservation areas.
-
E.
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.
- F. None of above. chosen
Statements (52)
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: Lee Valley reservoirs Description of subject: The Lee Valley reservoirs are a chain of large man‑made lakes in northeast London that store and supply drinking water to the city and surrounding areas.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lee Valley Reservoir Chain
this entity surface form:
Walthamstow Reservoirs
this entity surface form:
Walthamstow Reservoirs
this entity surface form:
Lee Valley Park reservoirs