R4 line of Rodalies de Catalunya
E873725
The R4 line of Rodalies de Catalunya is a suburban railway service in the Barcelona metropolitan area that connects various commuter towns and cities across Catalonia.
All labels observed (2)
| Label | Occurrences |
|---|---|
| R4 line (Rodalies de Catalunya) | 1 |
| R4 line of Rodalies de Catalunya canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10575504 — 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: R4 line of Rodalies de Catalunya Context triple: [Cornellà Centre, servedBy, R4 line of Rodalies de Catalunya]
-
A.
FGC Barcelona–Vallès Line
The FGC Barcelona–Vallès Line is a commuter and metro rail corridor in the Barcelona metropolitan area that connects the city with several towns in the Vallès region.
-
B.
Rodalies de Catalunya
Rodalies de Catalunya is the commuter rail network serving Catalonia, centered on Barcelona and operated under the Renfe system.
-
C.
Line 4 (Madrid Metro)
Line 4 of the Madrid Metro is a rapid transit line serving several northern and eastern districts of Madrid, connecting key residential and commercial areas to the city’s broader subway network.
-
D.
Line 3 (Barcelona Metro)
Line 3 of the Barcelona Metro is one of the city’s main rapid transit lines, running in a roughly diagonal route across central Barcelona and serving many key commercial and tourist areas.
-
E.
C-3 line of Cercanías Madrid
The C-3 line of Cercanías Madrid is a commuter rail service in the Madrid metropolitan area that connects central Madrid with southern suburbs including Valdemoro.
- 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: R4 line of Rodalies de Catalunya Target entity description: The R4 line of Rodalies de Catalunya is a suburban railway service in the Barcelona metropolitan area that connects various commuter towns and cities across Catalonia.
-
A.
FGC Barcelona–Vallès Line
The FGC Barcelona–Vallès Line is a commuter and metro rail corridor in the Barcelona metropolitan area that connects the city with several towns in the Vallès region.
-
B.
Rodalies de Catalunya
Rodalies de Catalunya is the commuter rail network serving Catalonia, centered on Barcelona and operated under the Renfe system.
-
C.
Line 4 (Madrid Metro)
Line 4 of the Madrid Metro is a rapid transit line serving several northern and eastern districts of Madrid, connecting key residential and commercial areas to the city’s broader subway network.
-
D.
Line 3 (Barcelona Metro)
Line 3 of the Barcelona Metro is one of the city’s main rapid transit lines, running in a roughly diagonal route across central Barcelona and serving many key commercial and tourist areas.
-
E.
C-3 line of Cercanías Madrid
The C-3 line of Cercanías Madrid is a commuter rail service in the Madrid metropolitan area that connects central Madrid with southern suburbs including Valdemoro.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf | commuter rail line ⓘ |
| category |
Rail transport in Catalonia
ⓘ
Rodalies de Catalunya lines NERFINISHED ⓘ Transport in the Barcelona metropolitan area ⓘ |
| connects |
Barcelona
NERFINISHED
ⓘ
various commuter towns in Catalonia ⓘ |
| country | Spain ⓘ |
| electrification | 3 kV DC overhead line ⓘ |
| fareSystem |
ATM Barcelona
NERFINISHED
ⓘ
Autoritat del Transport Metropolità NERFINISHED ⓘ |
| hasServicePattern |
all-stations stopping services
ⓘ
semi-fast commuter services ⓘ |
| locatedIn | Catalonia ⓘ |
| network | Rodalies Barcelona NERFINISHED ⓘ |
| operatedBy | Renfe Operadora NERFINISHED ⓘ |
| operator | Renfe Operadora NERFINISHED ⓘ |
| owner |
ADIF
NERFINISHED
ⓘ
Administrador de Infraestructuras Ferroviarias NERFINISHED ⓘ |
| partOf | Rodalies de Catalunya NERFINISHED ⓘ |
| primaryCityServed | Barcelona NERFINISHED ⓘ |
| regionServed | Catalonia NERFINISHED ⓘ |
| serves | Barcelona metropolitan area NERFINISHED ⓘ |
| serviceArea |
Bages
NERFINISHED
ⓘ
Baix Llobregat NERFINISHED ⓘ Barcelona metropolitan region NERFINISHED ⓘ Vallès NERFINISHED ⓘ other Catalan municipalities ⓘ |
| serviceType |
commuter rail
ⓘ
suburban rail ⓘ |
| symbol | R4 NERFINISHED ⓘ |
| system | Cercanías-style commuter rail ⓘ |
| ticketIntegration | integrated with Barcelona public transport fares ⓘ |
| transportType | rail ⓘ |
| uses | Iberian gauge track ⓘ |
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: R4 line of Rodalies de Catalunya Description of subject: The R4 line of Rodalies de Catalunya is a suburban railway service in the Barcelona metropolitan area that connects various commuter towns and cities across Catalonia.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
R4 line (Rodalies de Catalunya)