Cowlairs railway tunnel
E832943
Cowlairs railway tunnel is a historic railway tunnel in Glasgow, Scotland, forming part of the early Scottish rail network and notable for its engineering significance.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Cowlairs railway junction | 1 |
| Cowlairs railway tunnel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9964167 — 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: Cowlairs railway tunnel Context triple: [Cowlairs Works, locatedNear, Cowlairs railway tunnel]
-
A.
Moffat Tunnel
The Moffat Tunnel is a major railroad and water tunnel that cuts through the Continental Divide in Colorado, providing a crucial transportation and utility link between the Denver area and the western slope of the Rocky Mountains.
-
B.
Chirk Tunnel
Chirk Tunnel is a historic canal tunnel on the Llangollen Canal in Wales, notable for carrying the waterway beneath the Welsh–English border near Chirk Aqueduct.
-
C.
Sapperton Tunnel
Sapperton Tunnel is a historic railway tunnel in Gloucestershire, England, carrying trains through the Cotswolds on the route between Swindon and Gloucester.
-
D.
Cressbrook Tunnel
Cressbrook Tunnel is a former railway tunnel in Derbyshire, England, now used as part of the popular Monsal Trail walking and cycling route through the Peak District.
-
E.
Foulridge Tunnel
Foulridge Tunnel is a historic canal tunnel in Lancashire, England, carrying the Leeds and Liverpool Canal beneath the village of Foulridge and surrounding hills.
- 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: Cowlairs railway tunnel Target entity description: Cowlairs railway tunnel is a historic railway tunnel in Glasgow, Scotland, forming part of the early Scottish rail network and notable for its engineering significance.
-
A.
Moffat Tunnel
The Moffat Tunnel is a major railroad and water tunnel that cuts through the Continental Divide in Colorado, providing a crucial transportation and utility link between the Denver area and the western slope of the Rocky Mountains.
-
B.
Chirk Tunnel
Chirk Tunnel is a historic canal tunnel on the Llangollen Canal in Wales, notable for carrying the waterway beneath the Welsh–English border near Chirk Aqueduct.
-
C.
Sapperton Tunnel
Sapperton Tunnel is a historic railway tunnel in Gloucestershire, England, carrying trains through the Cotswolds on the route between Swindon and Gloucester.
-
D.
Cressbrook Tunnel
Cressbrook Tunnel is a former railway tunnel in Derbyshire, England, now used as part of the popular Monsal Trail walking and cycling route through the Peak District.
-
E.
Foulridge Tunnel
Foulridge Tunnel is a historic canal tunnel in Lancashire, England, carrying the Leeds and Liverpool Canal beneath the village of Foulridge and surrounding hills.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
railway infrastructure
ⓘ
railway tunnel ⓘ |
| builtFor | Edinburgh and Glasgow Railway Company NERFINISHED ⓘ |
| connects |
Queen Street area of Glasgow
NERFINISHED
ⓘ
northern approaches to Glasgow ⓘ |
| constructionMaterial |
brick
ⓘ
masonry ⓘ |
| constructionStart | early 1840s ⓘ |
| country | United Kingdom ⓘ |
| electrification | non‑electrified (originally) ⓘ |
| era | early Victorian railway era ⓘ |
| gauge | standard gauge ⓘ |
| hasAccessFrom |
Cowlairs junction
NERFINISHED
ⓘ
Queen Street tunnel approaches ⓘ |
| hasApproachGradient | steep gradient at Cowlairs incline ⓘ |
| hasApproximateLength | about 1 mile ⓘ |
| hasFunction | carries railway traffic ⓘ |
| hasHistoricalRole | facilitated early intercity rail between Glasgow and Edinburgh ⓘ |
| hasNotableFeature |
steeply graded approaches
ⓘ
ventilation shafts ⓘ |
| hasSignificance |
engineering significance
ⓘ
historical significance ⓘ |
| hasStructureType | double‑track tunnel ⓘ |
| heritageStatus | historic railway structure ⓘ |
| isEarlyExampleOf | railway tunnel engineering in Scotland ⓘ |
| isExampleOf | 19th‑century British railway engineering ⓘ |
| isOnRoute | Glasgow–Edinburgh rail corridor NERFINISHED ⓘ |
| isPartOf | historic core of Scottish main line railways ⓘ |
| locatedIn |
Cowlairs
NERFINISHED
ⓘ
Glasgow ⓘ Scotland ⓘ north Glasgow ⓘ |
| locatedInAdministrativeArea | Glasgow City council area NERFINISHED ⓘ |
| locatedNear | Glasgow Queen Street railway station NERFINISHED ⓘ |
| locatedUnder | Cowlairs district NERFINISHED ⓘ |
| openingDate | 1842 ⓘ |
| operator | Network Rail NERFINISHED ⓘ |
| owner | Network Rail NERFINISHED ⓘ |
| partOf |
Edinburgh and Glasgow Railway
NERFINISHED
ⓘ
Glasgow railway network NERFINISHED ⓘ Scottish rail network ⓘ |
| partOfLine | Edinburgh–Glasgow main line NERFINISHED ⓘ |
| safetySystem | modern signalling systems retrofitted ⓘ |
| status | in use ⓘ |
| usedFor |
freight rail traffic
ⓘ
passenger rail traffic ⓘ |
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: Cowlairs railway tunnel Description of subject: Cowlairs railway tunnel is a historic railway tunnel in Glasgow, Scotland, forming part of the early Scottish rail network and notable for its engineering significance.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Cowlairs railway junction