Tunnel No. 2
E210610
Tunnel No. 2 is one of New York City’s major water distribution tunnels that helps convey drinking water from upstate reservoirs to the city’s boroughs.
All labels observed (2)
| Label | Occurrences |
|---|---|
| City Tunnel No. 2 | 1 |
| Tunnel No. 2 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1857498 — 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: Tunnel No. 2 Context triple: [New York City distribution tunnels, hasComponent, Tunnel No. 2]
-
A.
Tunnel No. 1
Tunnel No. 1 is a major water-supply tunnel that forms part of New York City’s underground distribution system.
-
B.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
-
C.
First Coen Tunnel
The First Coen Tunnel is the original road tunnel under the North Sea Canal in Amsterdam, forming a key part of the city's ring road and an important traffic artery in the Netherlands.
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D.
Downtown Tunnel
The Downtown Tunnel is a major underwater vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
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E.
Wawona Tunnel
Wawona Tunnel is a historic highway tunnel in Yosemite National Park that serves as the dramatic western gateway to the famous Tunnel View overlook of Yosemite Valley.
- 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: Tunnel No. 2 Target entity description: Tunnel No. 2 is one of New York City’s major water distribution tunnels that helps convey drinking water from upstate reservoirs to the city’s boroughs.
-
A.
Tunnel No. 1
Tunnel No. 1 is a major water-supply tunnel that forms part of New York City’s underground distribution system.
-
B.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
-
C.
First Coen Tunnel
The First Coen Tunnel is the original road tunnel under the North Sea Canal in Amsterdam, forming a key part of the city's ring road and an important traffic artery in the Netherlands.
-
D.
Downtown Tunnel
The Downtown Tunnel is a major underwater vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
-
E.
Wawona Tunnel
Wawona Tunnel is a historic highway tunnel in Yosemite National Park that serves as the dramatic western gateway to the famous Tunnel View overlook of Yosemite Valley.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
New York City water tunnel
ⓘ
infrastructure ⓘ underground tunnel ⓘ water distribution tunnel ⓘ |
| connectsTo | New York City water distribution system ⓘ |
| conveys | drinking water ⓘ |
| country | United States of America ⓘ |
| hasFunction |
supply water to New York City residents
ⓘ
transport potable water ⓘ |
| isPartOf |
New York City water tunnels
ⓘ
surface form:
New York City water tunnel network
|
| locatedIn | New York City ⓘ |
| locatedInAdministrativeTerritory |
U.S. state of New York
ⓘ
surface form:
State of New York
|
| locatedInTimeZone | Eastern Time Zone ⓘ |
| maintainedBy | New York City Department of Environmental Protection ⓘ |
| operator | New York City Department of Environmental Protection ⓘ |
| partOf | New York City water supply system ⓘ |
| serves | New York City boroughs ⓘ |
| use | municipal water distribution ⓘ |
| usedFor | public water supply ⓘ |
| waterSource | upstate New York reservoirs ⓘ |
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: Tunnel No. 2 Description of subject: Tunnel No. 2 is one of New York City’s major water distribution tunnels that helps convey drinking water from upstate reservoirs to the city’s boroughs.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
City Tunnel No. 2