C-3
E143931
C-3 is one of the main commuter rail lines in the Cercanías Madrid network, connecting central Madrid with several southern suburbs and surrounding municipalities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| C-3 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1236004 — 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 Context triple: [Cercanías Madrid, line, C-3]
-
A.
C-2
C-2 is a commuter rail line within the Cercanías Madrid network that connects central Madrid with its surrounding metropolitan areas.
-
B.
C-3a
C-3a is a commuter rail line within the Cercanías Madrid network serving suburban areas around Spain’s capital.
-
C.
C-1
C-1 is a commuter rail line in the Cercanías Madrid network that connects central Madrid with its surrounding metropolitan areas.
-
D.
C-7
C-7 is a commuter rail line in the Cercanías Madrid network that connects central Madrid with various suburban areas.
-
E.
C-4
C-4 is a major commuter rail line in the Cercanías Madrid network that connects central Madrid with several key suburbs and outlying towns.
- 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 Target entity description: C-3 is one of the main commuter rail lines in the Cercanías Madrid network, connecting central Madrid with several southern suburbs and surrounding municipalities.
-
A.
C-2
C-2 is a commuter rail line within the Cercanías Madrid network that connects central Madrid with its surrounding metropolitan areas.
-
B.
C-3a
C-3a is a commuter rail line within the Cercanías Madrid network serving suburban areas around Spain’s capital.
-
C.
C-1
C-1 is a commuter rail line in the Cercanías Madrid network that connects central Madrid with its surrounding metropolitan areas.
-
D.
C-7
C-7 is a commuter rail line in the Cercanías Madrid network that connects central Madrid with various suburban areas.
-
E.
C-4
C-4 is a major commuter rail line in the Cercanías Madrid network that connects central Madrid with several key suburbs and outlying towns.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Cercanías Madrid line
ⓘ
commuter rail line ⓘ |
| abbreviation | C-3 self-link ⓘ |
| country | Spain ⓘ |
| electrification | 3 kV DC overhead line ⓘ |
| fareSystem | Consorcio Regional de Transportes de Madrid zonal system ⓘ |
| hasConnection |
Madrid Metro
ⓘ
surface form:
Madrid Metro at Atocha Renfe
Madrid Metro ⓘ
surface form:
Madrid Metro at Nuevos Ministerios
Madrid Metro at Sol ⓘ long-distance rail services at Madrid Puerta de Atocha-Almudena Grandes ⓘ long-distance rail services at Madrid-Chamartín-Clara Campoamor ⓘ |
| lineColor | yellow ⓘ |
| locatedInTimeZone |
Central European Summer Time
ⓘ
Central European Time ⓘ |
| majorStation |
Ciempozuelos
ⓘ
Getafe ⓘ
surface form:
Getafe Industrial
Cercanías Madrid commuter rail ⓘ
surface form:
Madrid-Atocha Cercanías
Chamartín ⓘ
surface form:
Madrid-Chamartín-Clara Campoamor
Madrid-Nuevos Ministerios ⓘ Madrid-Sol ⓘ Pinto ⓘ Valdemoro ⓘ |
| network |
Cercanías Madrid commuter rail
ⓘ
surface form:
Cercanías Madrid
|
| operator | Renfe Operadora ⓘ |
| owner | Administrador de Infraestructuras Ferroviarias ⓘ |
| partOf |
Cercanías Madrid commuter rail
ⓘ
surface form:
Cercanías Madrid
|
| railSystem | Spanish railway network ⓘ |
| region | Community of Madrid ⓘ |
| rollingStock |
446 series EMU
ⓘ
446 series EMU ⓘ
surface form:
447 series EMU
Civia EMU ⓘ |
| servesArea | southern suburbs of Madrid ⓘ |
| servesCity | Madrid ⓘ |
| servesMunicipality |
Aranjuez
ⓘ
Ciempozuelos ⓘ Getafe ⓘ Pinto ⓘ Valdemoro ⓘ |
| serviceFrequency | high frequency urban and suburban service ⓘ |
| servicePattern | all-stations service on most of the route ⓘ |
| serviceType | commuter rail ⓘ |
| status | operational ⓘ |
| terminus |
Aranjuez
ⓘ
Chamartín ⓘ
surface form:
Madrid-Chamartín-Clara Campoamor
|
| trackGauge | Iberian gauge ⓘ |
| usesRailwayCorridor | Madrid–Aranjuez railway ⓘ |
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 Description of subject: C-3 is one of the main commuter rail lines in the Cercanías Madrid network, connecting central Madrid with several southern suburbs and surrounding municipalities.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Cercanías Madrid