Cercanías Madrid Line C-8
E555492
Cercanías Madrid Line C-8 is a commuter rail line in the Madrid metropolitan area that connects central Madrid with various suburban towns as part of the Cercanías Madrid network.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Cercanías Madrid Line C-8 canonical | 4 |
| C-8 line of Cercanías Madrid | 2 |
| Cercanías Madrid C8 line | 1 |
| Cercanías Madrid line C-8 | 1 |
| Línea C-8 de Cercanías Madrid | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5535753 — 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: Cercanías Madrid Line C-8 Context triple: [Madrid Chamartín railway station, servedByLine, Cercanías Madrid Line C-8]
-
A.
Cercanías Madrid Line C-7
Cercanías Madrid Line C-7 is a suburban commuter rail line in the Madrid metropolitan area that connects key stations across the city and its outskirts as part of the Cercanías Madrid network.
-
B.
Cercanías Madrid Line C-4
Cercanías Madrid Line C-4 is a key commuter rail line in the Madrid metropolitan area that connects central Madrid with several northern and southern suburbs as part of the Cercanías Madrid network.
-
C.
Cercanías Madrid Line C-1
Cercanías Madrid Line C-1 is a suburban rail line in the Madrid commuter network that connects central Madrid with Adolfo Suárez Madrid–Barajas Airport and other key urban areas.
-
D.
Cercanías Madrid Line C-2
Cercanías Madrid Line C-2 is a commuter rail line in the Madrid metropolitan area that connects central Madrid with its northeastern suburbs as part of the Cercanías Madrid network.
-
E.
Cercanías Madrid commuter rail
Cercanías Madrid commuter rail is a regional train network that connects Madrid with its surrounding metropolitan and suburban areas, providing frequent and rapid transit for daily commuters.
- 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: Cercanías Madrid Line C-8 Target entity description: Cercanías Madrid Line C-8 is a commuter rail line in the Madrid metropolitan area that connects central Madrid with various suburban towns as part of the Cercanías Madrid network.
-
A.
Cercanías Madrid Line C-7
Cercanías Madrid Line C-7 is a suburban commuter rail line in the Madrid metropolitan area that connects key stations across the city and its outskirts as part of the Cercanías Madrid network.
-
B.
Cercanías Madrid Line C-4
Cercanías Madrid Line C-4 is a key commuter rail line in the Madrid metropolitan area that connects central Madrid with several northern and southern suburbs as part of the Cercanías Madrid network.
-
C.
Cercanías Madrid Line C-1
Cercanías Madrid Line C-1 is a suburban rail line in the Madrid commuter network that connects central Madrid with Adolfo Suárez Madrid–Barajas Airport and other key urban areas.
-
D.
Cercanías Madrid Line C-2
Cercanías Madrid Line C-2 is a commuter rail line in the Madrid metropolitan area that connects central Madrid with its northeastern suburbs as part of the Cercanías Madrid network.
-
E.
Cercanías Madrid commuter rail
Cercanías Madrid commuter rail is a regional train network that connects Madrid with its surrounding metropolitan and suburban areas, providing frequent and rapid transit for daily commuters.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | commuter rail line ⓘ |
| connectsWith |
Madrid city centre
ⓘ
linked to:
Centro District of Madrid
suburban municipalities in the Madrid region ⓘ |
| country | Spain ⓘ |
| electrification | overhead line ⓘ |
| fareIntegrationWith | other Cercanías Madrid lines ⓘ |
| hasMode | rail ⓘ |
| hasServicePattern | radial connection between central Madrid and suburbs ⓘ |
| isPublicTransport | yes ⓘ |
| languageOfName | Spanish ⓘ |
| locatedIn | Madrid metropolitan area ⓘ |
| nameInSpanish |
Línea C-8 de Cercanías Madrid
ⓘ
linked to:
Cercanías Madrid Line C-8
|
| networkOperator | Renfe Operadora ⓘ |
| operatesWithin | Community of Madrid ⓘ |
| owner | Administrador de Infraestructuras Ferroviarias ⓘ |
| partOf |
Cercanías Madrid
ⓘ
linked to:
Cercanías Madrid commuter rail
|
| railGauge | Iberian gauge ⓘ |
| serves |
Madrid
ⓘ
suburban towns around Madrid ⓘ |
| serviceType | commuter rail ⓘ |
| symbol | C-8 ⓘ |
| symbolLocation | Madrid ⓘ |
| transportNetwork | Madrid commuter rail network ⓘ |
| usesTicketingSystem | Cercanías Madrid fare system ⓘ |
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: Cercanías Madrid Line C-8 Description of subject: Cercanías Madrid Line C-8 is a commuter rail line in the Madrid metropolitan area that connects central Madrid with various suburban towns as part of the Cercanías Madrid network.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Cercanías Madrid Line C-8
linked to: Cercanías Madrid Line C-8
linked to: Cercanías Madrid Line C-8
linked to: Cercanías Madrid Line C-8
linked to: Cercanías Madrid Line C-8