City Tunnel No. 2
E1002807
City Tunnel No. 2 is a subsequent urban rail tunnel constructed as part of a series of city tunnels, following the completion of City Tunnel No. 1.
All labels observed (2)
| Label | Occurrences |
|---|---|
| City Tunnel No. 2 canonical | 2 |
| City Tunnel | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12791046 — 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: City Tunnel No. 2 Context triple: [City Tunnel No. 1, followedBy, City Tunnel No. 2]
-
A.
City Tunnel No. 1
City Tunnel No. 1 is a major New York City water supply tunnel that conveys drinking water from upstate reservoirs into the city’s distribution system.
-
B.
City Tunnel No. 3
City Tunnel No. 3 is a major New York City water supply tunnel that conveys drinking water from upstate reservoirs to the city’s distribution system.
-
C.
Prudential Tunnel
Prudential Tunnel is a vehicular tunnel in Boston, Massachusetts, that carries traffic beneath the Prudential Center complex as part of the Massachusetts Turnpike.
-
D.
Kingsway Tunnel
The Kingsway Tunnel is a major road tunnel under the River Mersey in northwest England, carrying vehicular traffic between Liverpool and the Wirral peninsula.
-
E.
Montague Street Tunnel
The Montague Street Tunnel is a New York City Subway tunnel under the East River that carries trains between Manhattan and Brooklyn.
- 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: City Tunnel No. 2 Target entity description: City Tunnel No. 2 is a subsequent urban rail tunnel constructed as part of a series of city tunnels, following the completion of City Tunnel No. 1.
-
A.
City Tunnel No. 1
City Tunnel No. 1 is a major New York City water supply tunnel that conveys drinking water from upstate reservoirs into the city’s distribution system.
-
B.
City Tunnel No. 3
City Tunnel No. 3 is a major New York City water supply tunnel that conveys drinking water from upstate reservoirs to the city’s distribution system.
-
C.
Prudential Tunnel
Prudential Tunnel is a vehicular tunnel in Boston, Massachusetts, that carries traffic beneath the Prudential Center complex as part of the Massachusetts Turnpike.
-
D.
Kingsway Tunnel
The Kingsway Tunnel is a major road tunnel under the River Mersey in northwest England, carrying vehicular traffic between Liverpool and the Wirral peninsula.
-
E.
Montague Street Tunnel
The Montague Street Tunnel is a New York City Subway tunnel under the East River that carries trains between Manhattan and Brooklyn.
- F. None of above. chosen
Statements (12)
| Predicate | Object |
|---|---|
| instanceOf |
transport infrastructure project
ⓘ
urban rail tunnel ⓘ |
| follows | City Tunnel No. 1 ⓘ |
| hasFunction | carry urban rail lines ⓘ |
| hasName | City Tunnel No. 2 ⓘ |
| hasPredecessor | City Tunnel No. 1 ⓘ |
| hasSequenceNumber | 2 ⓘ |
| isSubsequentTo | City Tunnel No. 1 ⓘ |
| locatedIn | city (unspecified) ⓘ |
| partOf | urban rail network ⓘ |
| partOfSeries |
City Tunnel
ⓘ
linked to:
City Tunnel No. 2
|
| usedFor | urban rail transport ⓘ |
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: City Tunnel No. 2 Description of subject: City Tunnel No. 2 is a subsequent urban rail tunnel constructed as part of a series of city tunnels, following the completion of City Tunnel No. 1.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: City Tunnel No. 2