Cannonsville, New York
E796303
Cannonsville, New York was a former Delaware County community that was largely submerged and displaced in the 1960s to create the Cannonsville Reservoir, part of New York City's water supply system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cannonsville, New York canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T9082966 — 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: Cannonsville, New York Context triple: [Cannonsville Reservoir, namedAfter, Cannonsville, New York]
-
A.
Stanfordville, New York
Stanfordville, New York is a small hamlet in Dutchess County best known as the rural upstate community where actor James Cagney spent his later years and died.
-
B.
Brewster, New York
Brewster, New York is a small village in Putnam County known as a commuter hub for New York City and a gateway to the region’s reservoirs and outdoor recreation areas.
-
C.
Walloomsac, New York
Walloomsac, New York is a small hamlet in Rensselaer County best known as the nearby site of the Revolutionary War’s Battle of Bennington.
-
D.
Mount Pleasant, New York
Mount Pleasant, New York is a suburban town in Westchester County just north of New York City, known for its residential communities, historic sites, and proximity to major regional transportation and employment centers.
-
E.
Napanoch, New York
Napanoch, New York is a small hamlet in Ulster County’s Town of Wawarsing in the Catskills region, historically shaped by its rural setting and former correctional facilities.
- 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: Cannonsville, New York Target entity description: Cannonsville, New York was a former Delaware County community that was largely submerged and displaced in the 1960s to create the Cannonsville Reservoir, part of New York City's water supply system.
-
A.
Stanfordville, New York
Stanfordville, New York is a small hamlet in Dutchess County best known as the rural upstate community where actor James Cagney spent his later years and died.
-
B.
Brewster, New York
Brewster, New York is a small village in Putnam County known as a commuter hub for New York City and a gateway to the region’s reservoirs and outdoor recreation areas.
-
C.
Walloomsac, New York
Walloomsac, New York is a small hamlet in Rensselaer County best known as the nearby site of the Revolutionary War’s Battle of Bennington.
-
D.
Mount Pleasant, New York
Mount Pleasant, New York is a suburban town in Westchester County just north of New York City, known for its residential communities, historic sites, and proximity to major regional transportation and employment centers.
-
E.
Napanoch, New York
Napanoch, New York is a small hamlet in Ulster County’s Town of Wawarsing in the Catskills region, historically shaped by its rural setting and former correctional facilities.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
former community
ⓘ
populated place ⓘ |
| associatedWithProject |
New York City Delaware System reservoirs
ⓘ
linked to:
Catskill–Delaware water supply system
|
| category |
Company towns and reservoir towns displaced for water projects
ⓘ
Former populated places in New York State ⓘ Underwater populated places in the United States ⓘ |
| country | United States of America ⓘ |
| displacedFor | Cannonsville Reservoir ⓘ |
| displacementPeriod | 1960s ⓘ |
| formerFunction |
farming community
ⓘ
rural hamlet ⓘ |
| heritageStatus | lost town ⓘ |
| historicalRegion | Upper Delaware Valley ⓘ |
| locatedIn |
Catskill region
ⓘ
linked to:
Catskills region
Delaware County, New York ⓘ New York State ⓘ |
| locatedInWatershed | Delaware River watershed ⓘ |
| locatedOn | West Branch Delaware River ⓘ |
| namedAfter | Cannonsville family (local settlers) ⓘ |
| notableEvent | inundation for reservoir creation ⓘ |
| partOf |
New York City water supply system
ⓘ
Town of Deposit, New York ⓘ |
| populationRelocatedTo | nearby communities in Delaware County, New York ⓘ |
| reasonForAbandonment | construction of Cannonsville Reservoir ⓘ |
| remnants | foundations and road traces under reservoir at low water ⓘ |
| replacedBy |
Cannonsville Reservoir basin
ⓘ
linked to:
Cannonsville Reservoir
|
| status |
disincorporated
ⓘ
largely submerged ⓘ |
| submergedBy | Cannonsville Reservoir ⓘ |
| waterSupplyFor | New York City ⓘ |
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: Cannonsville, New York Description of subject: Cannonsville, New York was a former Delaware County community that was largely submerged and displaced in the 1960s to create the Cannonsville Reservoir, part of New York City's water supply system.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.