C-3 line of Cercanías Madrid
E424374
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| C-3 line of Cercanías Madrid canonical | 2 |
| Cercanías Madrid Line C-3 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4254588 — 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: C-3 line of Cercanías Madrid Context triple: [Valdemoro, railLine, C-3 line of Cercanías Madrid]
-
A.
Line 3 (Madrid Metro)
Line 3 of the Madrid Metro is a major north–south underground line in Madrid, Spain, connecting key central and residential areas and serving as one of the network’s primary transit corridors.
-
B.
Line 10 (Madrid Metro)
Line 10 of the Madrid Metro is a major north–south rapid transit line that connects key residential districts with central Madrid and important interchange stations.
-
C.
Line 11 (Madrid Metro)
Line 11 of the Madrid Metro is a suburban-style rapid transit line in the south-west of Madrid that connects key residential districts with the wider metro network.
-
D.
Line 6 (Madrid Metro)
Line 6 of the Madrid Metro, also known as the Circular line, is a heavily used underground route that forms a loop around central Madrid, connecting numerous key interchange stations across the network.
-
E.
Line 2 (Madrid Metro)
Line 2 of the Madrid Metro is one of the system’s main urban rapid transit lines, running in an east–west direction through central Madrid and connecting key neighborhoods and transfer stations.
- 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: C-3 line of Cercanías Madrid Target entity description: 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.
-
A.
Line 3 (Madrid Metro)
Line 3 of the Madrid Metro is a major north–south underground line in Madrid, Spain, connecting key central and residential areas and serving as one of the network’s primary transit corridors.
-
B.
Line 10 (Madrid Metro)
Line 10 of the Madrid Metro is a major north–south rapid transit line that connects key residential districts with central Madrid and important interchange stations.
-
C.
Line 11 (Madrid Metro)
Line 11 of the Madrid Metro is a suburban-style rapid transit line in the south-west of Madrid that connects key residential districts with the wider metro network.
-
D.
Line 6 (Madrid Metro)
Line 6 of the Madrid Metro, also known as the Circular line, is a heavily used underground route that forms a loop around central Madrid, connecting numerous key interchange stations across the network.
-
E.
Line 2 (Madrid Metro)
Line 2 of the Madrid Metro is one of the system’s main urban rapid transit lines, running in an east–west direction through central Madrid and connecting key neighborhoods and transfer stations.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
Cercanías Madrid line
ⓘ
commuter rail line ⓘ |
| connects |
central Madrid
ⓘ
southern suburbs of Madrid ⓘ |
| country | Spain ⓘ |
| electrification | overhead line ⓘ |
| locatedIn |
Community of Madrid
ⓘ
Madrid metropolitan area ⓘ |
| network |
Cercanías Madrid commuter rail
ⓘ
surface form:
Cercanías Madrid
|
| operator | Renfe Cercanías ⓘ |
| owner | Administrador de Infraestructuras Ferroviarias ⓘ |
| partOf |
Cercanías Madrid commuter rail
ⓘ
surface form:
Cercanías Madrid
|
| primaryCityServed | Madrid ⓘ |
| railwaySystem | Spanish railway network ⓘ |
| regionServed | southern Madrid metropolitan area ⓘ |
| serves |
Ciempozuelos
ⓘ
Getafe ⓘ Pinto ⓘ Valdemoro ⓘ |
| serviceType | commuter rail ⓘ |
| symbol | C-3 ⓘ |
| terminus |
Aranjuez
ⓘ
El Escorial ⓘ |
| trackGauge | Iberian gauge ⓘ |
| usesStation |
Aranjuez railway station
ⓘ
Madrid Chamartín railway station ⓘ
surface form:
Chamartín railway station
Madrid Atocha railway station ⓘ
surface form:
Madrid-Puerta de Atocha railway station
Sol railway station ⓘ Valdemoro railway station ⓘ |
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: C-3 line of Cercanías Madrid Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Cercanías Madrid Line C-3