Metrolink Rochdale via Oldham line
E256322
The Metrolink Rochdale via Oldham line is a light rail route on Greater Manchester’s Metrolink network that connects central Manchester with Oldham and Rochdale.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Rochdale via Oldham Line | 3 |
| Metrolink Oldham and Rochdale Line | 1 |
| Metrolink Rochdale via Oldham line canonical | 1 |
| Rochdale Town Centre–East Didsbury line | 1 |
| Rochdale via Oldham line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2310671 — 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: Metrolink Rochdale via Oldham line Context triple: [St Peter's Square, Manchester, isServedBy, Metrolink Rochdale via Oldham line]
-
A.
Bury Metrolink line
The Bury Metrolink line is a light rail route in Greater Manchester that runs between Bury and central Manchester as part of the city’s Metrolink tram network.
-
B.
Rochdale line
The Rochdale line is a railway route in Greater Manchester, England, forming part of the local and regional rail network connecting Manchester with Rochdale and surrounding areas.
-
C.
East Didsbury Line
The East Didsbury Line is a light rail route on Greater Manchester’s Metrolink network that connects Manchester city centre with the suburban area of East Didsbury.
-
D.
East Lancashire Line
The East Lancashire Line is a regional railway route in Lancashire, England, linking towns such as Preston, Blackburn, Burnley, and Colne.
-
E.
Manchester to Bolton line
The Manchester to Bolton line is a suburban railway route in Greater Manchester, England, connecting Manchester with the town of Bolton and serving intermediate communities along the corridor.
- 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: Metrolink Rochdale via Oldham line Target entity description: The Metrolink Rochdale via Oldham line is a light rail route on Greater Manchester’s Metrolink network that connects central Manchester with Oldham and Rochdale.
-
A.
Bury Metrolink line
The Bury Metrolink line is a light rail route in Greater Manchester that runs between Bury and central Manchester as part of the city’s Metrolink tram network.
-
B.
Rochdale line
The Rochdale line is a railway route in Greater Manchester, England, forming part of the local and regional rail network connecting Manchester with Rochdale and surrounding areas.
-
C.
East Didsbury Line
The East Didsbury Line is a light rail route on Greater Manchester’s Metrolink network that connects Manchester city centre with the suburban area of East Didsbury.
-
D.
East Lancashire Line
The East Lancashire Line is a regional railway route in Lancashire, England, linking towns such as Preston, Blackburn, Burnley, and Colne.
-
E.
Manchester to Bolton line
The Manchester to Bolton line is a suburban railway route in Greater Manchester, England, connecting Manchester with the town of Bolton and serving intermediate communities along the corridor.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Metrolink line
ⓘ
light rail line ⓘ |
| connects |
Manchester
ⓘ
Oldham borough ⓘ
surface form:
Oldham
Rochdale ⓘ |
| connectsTo |
bus services in Manchester
ⓘ
bus services in Oldham ⓘ bus services in Rochdale ⓘ |
| connectsWith | other Metrolink lines in Manchester city centre ⓘ |
| country | United Kingdom ⓘ |
| electrification | 750 V DC overhead line ⓘ |
| fareSystem | Metrolink zonal fare system ⓘ |
| gauge | standard gauge ⓘ |
| hasAccessibility | step-free access at stops ⓘ |
| hasBrand | Metrolink ⓘ |
| hasColourOnMap | designated line colour on Metrolink maps ⓘ |
| hasIntermediateStops |
stops in Oldham
ⓘ
stops in Rochdale ⓘ stops in north-east Manchester ⓘ |
| hasRouteType |
tramway
ⓘ
urban light rail ⓘ |
| hasServicePattern | frequent all-day service ⓘ |
| isElectrified | yes ⓘ |
| isPartOfUrbanRailSystem | Manchester urban rail and tram system ⓘ |
| isPassengerOnly | yes ⓘ |
| isPublicTransportRoute | yes ⓘ |
| locatedIn | Greater Manchester ⓘ |
| modeOfTransport | light rail ⓘ |
| network |
Manchester Metrolink
ⓘ
surface form:
Greater Manchester Metrolink network
|
| operator | Transport for Greater Manchester ⓘ |
| owner | Transport for Greater Manchester ⓘ |
| partOf | Manchester Metrolink ⓘ |
| primaryFunction | passenger transport ⓘ |
| regionServed | North West England ⓘ |
| safetySystem | line-of-sight tram operation ⓘ |
| serves |
Manchester urban area
ⓘ
surface form:
Greater Manchester conurbation
Oldham borough ⓘ
surface form:
Oldham town centre
Rochdale Town Centre tram stop ⓘ
surface form:
Rochdale town centre
|
| system |
Manchester Metrolink
ⓘ
surface form:
Manchester Metrolink light rail network
|
| terminus |
Manchester city centre
ⓘ
Oldham borough ⓘ
surface form:
Oldham
Rochdale ⓘ |
| ticketing | integrated with wider Metrolink network ⓘ |
| trackType | double track ⓘ |
| usesRollingStock |
M5000 tram
ⓘ
surface form:
Bombardier M5000 trams
|
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: Metrolink Rochdale via Oldham line Description of subject: The Metrolink Rochdale via Oldham line is a light rail route on Greater Manchester’s Metrolink network that connects central Manchester with Oldham and Rochdale.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Metrolink Oldham and Rochdale Line
this entity surface form:
Rochdale via Oldham Line
this entity surface form:
Rochdale via Oldham Line
this entity surface form:
Rochdale via Oldham line
this entity surface form:
Rochdale via Oldham Line
this entity surface form:
Rochdale Town Centre–East Didsbury line