Quabbin Aqueduct
E480837
The Quabbin Aqueduct is a major water conveyance tunnel in Massachusetts that transports drinking water from the Quabbin Reservoir system to the greater Boston area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Quabbin Aqueduct canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4892044 — 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: Quabbin Aqueduct Context triple: [Wachusett Reservoir, connectedBy, Quabbin Aqueduct]
-
A.
Wachusett Aqueduct
The Wachusett Aqueduct is a historic water conveyance system in Massachusetts that transports drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
-
B.
North Bay Aqueduct
The North Bay Aqueduct is a key water conveyance facility in California that delivers State Water Project supplies to communities in Solano and Napa counties.
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C.
Catskill Aqueduct
The Catskill Aqueduct is a major component of New York City's water supply system, transporting drinking water from the Catskill Mountains to the city and its reservoirs.
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D.
Delaware Aqueduct
The Delaware Aqueduct is a major underground tunnel that transports drinking water from reservoirs in the Delaware River watershed to New York City, forming a critical component of the city’s water supply infrastructure.
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E.
Delaware Aqueduct
The Delaware Aqueduct is a historic 19th-century suspension aqueduct that carried the Delaware and Hudson Canal over the Delaware River and is now preserved as the oldest surviving wire suspension bridge in the United States.
- 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: Quabbin Aqueduct Target entity description: The Quabbin Aqueduct is a major water conveyance tunnel in Massachusetts that transports drinking water from the Quabbin Reservoir system to the greater Boston area.
-
A.
Wachusett Aqueduct
The Wachusett Aqueduct is a historic water conveyance system in Massachusetts that transports drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
-
B.
North Bay Aqueduct
The North Bay Aqueduct is a key water conveyance facility in California that delivers State Water Project supplies to communities in Solano and Napa counties.
-
C.
Catskill Aqueduct
The Catskill Aqueduct is a major component of New York City's water supply system, transporting drinking water from the Catskill Mountains to the city and its reservoirs.
-
D.
Delaware Aqueduct
The Delaware Aqueduct is a major underground tunnel that transports drinking water from reservoirs in the Delaware River watershed to New York City, forming a critical component of the city’s water supply infrastructure.
-
E.
Delaware Aqueduct
The Delaware Aqueduct is a historic 19th-century suspension aqueduct that carried the Delaware and Hudson Canal over the Delaware River and is now preserved as the oldest surviving wire suspension bridge in the United States.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
aqueduct
ⓘ
infrastructure ⓘ water supply tunnel ⓘ |
| connectsTo |
Quabbin Reservoir
NERFINISHED
ⓘ
Wachusett Aqueduct NERFINISHED ⓘ Wachusett Reservoir NERFINISHED ⓘ |
| constructionMaterial | concrete ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| feeds | Boston-area distribution tunnels ⓘ |
| function | transport water by gravity ⓘ |
| locatedIn |
Hampden County, Massachusetts
NERFINISHED
ⓘ
Hampshire County, Massachusetts NERFINISHED ⓘ Massachusetts ⓘ New England ⓘ Worcester County, Massachusetts NERFINISHED ⓘ |
| managedBy | Massachusetts Water Resources Authority NERFINISHED ⓘ |
| operator | Massachusetts Water Resources Authority NERFINISHED ⓘ |
| owner | Massachusetts Water Resources Authority NERFINISHED ⓘ |
| partOf |
Boston water supply system
NERFINISHED
ⓘ
Massachusetts metropolitan water system NERFINISHED ⓘ |
| publicUtilityInfrastructureFor |
Boston
NERFINISHED
ⓘ
Massachusetts communities around Boston NERFINISHED ⓘ |
| regionServed |
Boston metropolitan area
NERFINISHED
ⓘ
eastern Massachusetts NERFINISHED ⓘ |
| serves |
Greater Boston
NERFINISHED
ⓘ
Metropolitan Boston water system NERFINISHED ⓘ |
| sourceWaterBody |
Quabbin Reservoir
NERFINISHED
ⓘ
Wachusett Reservoir system NERFINISHED ⓘ |
| transportMedium | potable water ⓘ |
| use |
drinking water conveyance
ⓘ
municipal water supply ⓘ |
| waterType | surface water ⓘ |
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: Quabbin Aqueduct Description of subject: The Quabbin Aqueduct is a major water conveyance tunnel in Massachusetts that transports drinking water from the Quabbin Reservoir system to the greater Boston area.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.