Delaware system
E41734
The Delaware system is a major component of New York City's water supply network, delivering drinking water from reservoirs in the Delaware River watershed to the city.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Delaware system canonical | 1 |
| Delaware water system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T326505 — 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: Delaware system Context triple: [Croton water supply system, oneOfThreeMajorSystems, Delaware system]
-
A.
Province of Delaware
The Province of Delaware was a British colonial territory in North America that later became the U.S. state of Delaware.
-
B.
Wilmington, Delaware
Wilmington, Delaware is the largest city in the state of Delaware and a major financial and corporate hub strategically located between Philadelphia and Baltimore.
-
C.
New Castle County, Delaware
New Castle County, Delaware is the northernmost and most populous county in Delaware, encompassing the city of Wilmington and serving as a major economic and transportation hub for the state.
-
D.
Newark, Delaware
Newark, Delaware is a small city in northern Delaware known for being home to the University of Delaware and serving as a regional transportation and commercial hub.
-
E.
Delaware Colony
Delaware Colony was a British North American colony along the mid-Atlantic coast that later became the state of Delaware, known for its early settlement, diverse population, and role in colonial trade and politics.
- 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: Delaware system Target entity description: The Delaware system is a major component of New York City's water supply network, delivering drinking water from reservoirs in the Delaware River watershed to the city.
-
A.
Province of Delaware
The Province of Delaware was a British colonial territory in North America that later became the U.S. state of Delaware.
-
B.
Wilmington, Delaware
Wilmington, Delaware is the largest city in the state of Delaware and a major financial and corporate hub strategically located between Philadelphia and Baltimore.
-
C.
New Castle County, Delaware
New Castle County, Delaware is the northernmost and most populous county in Delaware, encompassing the city of Wilmington and serving as a major economic and transportation hub for the state.
-
D.
Newark, Delaware
Newark, Delaware is a small city in northern Delaware known for being home to the University of Delaware and serving as a regional transportation and commercial hub.
-
E.
Delaware Colony
Delaware Colony was a British North American colony along the mid-Atlantic coast that later became the state of Delaware, known for its early settlement, diverse population, and role in colonial trade and politics.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
component of New York City water supply system
ⓘ
water supply system ⓘ |
| beganOperation | 20th century ⓘ |
| connectedTo |
Catskill Mountains
ⓘ
surface form:
Catskill system
Croton system ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| drawsWaterFrom |
Cannonsville Reservoir
ⓘ
Neversink Reservoir ⓘ Pepacton Reservoir ⓘ Rondout Reservoir ⓘ |
| hasComponent | Delaware Aqueduct ⓘ |
| isMajorComponentOf |
New York City water supply system
ⓘ
surface form:
New York City drinking water network
|
| locatedIn |
Catskill Mountains
ⓘ
surface form:
Catskill Mountains region
Delaware River ⓘ
surface form:
Delaware River basin
New York ⓘ
surface form:
New York State
|
| operatedBy | New York City Department of Environmental Protection ⓘ |
| ownedBy |
New York City
ⓘ
surface form:
City of New York
|
| partOf | New York City water supply system ⓘ |
| purpose | municipal water supply ⓘ |
| regulates | drinking water quantity for New York City ⓘ |
| regulatoryContext | interstate water agreements on Delaware River ⓘ |
| serves | New York City ⓘ |
| supplies | drinking water ⓘ |
| suppliesTo |
The Bronx, New York City, New York, United States
ⓘ
surface form:
New York City borough of Bronx
Brooklyn, New York City, New York, United States ⓘ
surface form:
New York City borough of Brooklyn
borough of Manhattan ⓘ
surface form:
New York City borough of Manhattan
Borough of Queens ⓘ
surface form:
New York City borough of Queens
Staten Island ⓘ
surface form:
New York City borough of Staten Island
|
| typeOf | interbasin water transfer system ⓘ |
| usesInfrastructure |
aqueducts
ⓘ
reservoirs ⓘ tunnels ⓘ |
| usesWatershed | Delaware River watershed ⓘ |
| waterSource | surface water ⓘ |
| waterUse | public water supply ⓘ |
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: Delaware system Description of subject: The Delaware system is a major component of New York City's water supply network, delivering drinking water from reservoirs in the Delaware River watershed to the city.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Delaware water system