Katonah Reservoir
E147447
Katonah Reservoir is a man-made water body in Westchester County, New York, that forms part of the New York City water supply system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Katonah Reservoir canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1191211 — 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: Katonah Reservoir Context triple: [Muscoot Reservoir, connectedTo, Katonah Reservoir]
-
A.
Kensico Reservoir
Kensico Reservoir is a major New York City water supply reservoir located in Westchester County, New York, known for its role in storing and regulating drinking water from the Catskill and Delaware systems.
-
B.
Titicus Reservoir
Titicus Reservoir is a man-made lake in Westchester County, New York, that serves as one of the key water supply reservoirs for New York City.
-
C.
Rondout Reservoir
Rondout Reservoir is a major New York City water supply reservoir in the Catskill Mountains, formed by damming Rondout Creek and serving as a key component of the city’s Catskill–Delaware water system.
-
D.
Jerome Park Reservoir
Jerome Park Reservoir is a major freshwater storage facility in the Bronx that plays a key role in New York City’s Croton water supply system.
-
E.
Schoharie Reservoir
Schoharie Reservoir is a major upstate New York water supply reservoir that forms part of the New York City water system.
- 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: Katonah Reservoir Target entity description: Katonah Reservoir is a man-made water body in Westchester County, New York, that forms part of the New York City water supply system.
-
A.
Kensico Reservoir
Kensico Reservoir is a major New York City water supply reservoir located in Westchester County, New York, known for its role in storing and regulating drinking water from the Catskill and Delaware systems.
-
B.
Titicus Reservoir
Titicus Reservoir is a man-made lake in Westchester County, New York, that serves as one of the key water supply reservoirs for New York City.
-
C.
Rondout Reservoir
Rondout Reservoir is a major New York City water supply reservoir in the Catskill Mountains, formed by damming Rondout Creek and serving as a key component of the city’s Catskill–Delaware water system.
-
D.
Jerome Park Reservoir
Jerome Park Reservoir is a major freshwater storage facility in the Bronx that plays a key role in New York City’s Croton water supply system.
-
E.
Schoharie Reservoir
Schoharie Reservoir is a major upstate New York water supply reservoir that forms part of the New York City water system.
- F. None of above. chosen
Statements (29)
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: Katonah Reservoir Description of subject: Katonah Reservoir is a man-made water body in Westchester County, New York, that forms part of the New York City water supply system.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.