Islington Tunnel
E625571
Islington Tunnel is a historic, nearly mile-long canal tunnel in North London that carries the Regent’s Canal beneath the borough of Islington.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Islington Tunnel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6865906 — 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: Islington Tunnel Context triple: [Regent’s Canal, hasStructure, Islington Tunnel]
-
A.
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.
-
B.
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.
-
C.
East New York Tunnel
The East New York Tunnel is a railroad tunnel in Brooklyn, New York, that carries Long Island Rail Road trains beneath the East New York neighborhood.
-
D.
Blackwall Tunnel
The Blackwall Tunnel is a major road tunnel under the River Thames in east London that carries traffic between the Greenwich Peninsula and the Poplar area.
-
E.
Midtown Tunnel
The Midtown Tunnel is a vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
- 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: Islington Tunnel Target entity description: Islington Tunnel is a historic, nearly mile-long canal tunnel in North London that carries the Regent’s Canal beneath the borough of Islington.
-
A.
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.
-
B.
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.
-
C.
East New York Tunnel
The East New York Tunnel is a railroad tunnel in Brooklyn, New York, that carries Long Island Rail Road trains beneath the East New York neighborhood.
-
D.
Blackwall Tunnel
The Blackwall Tunnel is a major road tunnel under the River Thames in east London that carries traffic between the Greenwich Peninsula and the Poplar area.
-
E.
Midtown Tunnel
The Midtown Tunnel is a vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
canal tunnel
ⓘ
transport infrastructure ⓘ |
| architectEngineer | James Morgan NERFINISHED ⓘ |
| builtFor | Regent’s Canal Company NERFINISHED ⓘ |
| connects | Camden area to Islington along Regent’s Canal ⓘ |
| constructionEnd | 1818 ⓘ |
| constructionMaterial | brick ⓘ |
| constructionStart | 1815 ⓘ |
| country | United Kingdom ⓘ |
| crossesUnder |
Angel area of Islington
ⓘ
Upper Street NERFINISHED ⓘ |
| currentBoatPropulsion | self-propelled craft ⓘ |
| currentUse |
leisure boating
ⓘ
tourist waterway ⓘ |
| endPoint | near Colebrooke Row ⓘ |
| feature |
arched brick portals
ⓘ
ventilation shafts ⓘ |
| hasLighting | yes ⓘ |
| hasNo | towpath ⓘ |
| hasTrafficControl | yes ⓘ |
| heritageRegister |
National Heritage List for England entry
ⓘ
surface form:
National Heritage List for England
|
| heritageStatus | Grade II listed structure ⓘ |
| historicalSignificance | early 19th-century canal engineering work ⓘ |
| historicalUse | industrial freight transport ⓘ |
| laterBoatPropulsion | mechanical tugs ⓘ |
| length |
approximately 878 metres
ⓘ
approximately 960 yards ⓘ |
| locatedIn |
England
ⓘ
Islington NERFINISHED ⓘ London NERFINISHED ⓘ North London NERFINISHED ⓘ United Kingdom ⓘ |
| manages | navigable canal traffic ⓘ |
| navigationAuthority | Canal & River Trust NERFINISHED ⓘ |
| nearbyArea |
Angel
NERFINISHED
ⓘ
Barnsbury NERFINISHED ⓘ |
| openingDate | 1818 ⓘ |
| originalBoatPropulsion | legging ⓘ |
| owner | Canal & River Trust NERFINISHED ⓘ |
| partOf | Regent’s Canal NERFINISHED ⓘ |
| partOfRoute | Grand Union Canal network NERFINISHED ⓘ |
| passesUnder | London Borough of Islington NERFINISHED ⓘ |
| safetyRequirement | powered craft only ⓘ |
| startPoint | near Caledonian Road ⓘ |
| status | in use ⓘ |
| waterway | Regent’s Canal NERFINISHED ⓘ |
| waterwayType | narrow canal ⓘ |
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: Islington Tunnel Description of subject: Islington Tunnel is a historic, nearly mile-long canal tunnel in North London that carries the Regent’s Canal beneath the borough of Islington.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.