Madrid Metro class 8000 trains
E604807
The Madrid Metro class 8000 trains are a series of modern, high-capacity electric multiple units designed for rapid transit service on the Madrid Metro network.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Madrid Metro Line 8 trains | 1 |
| Madrid Metro class 8000 trains canonical | 1 |
| Madrid Metro rolling stock | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6556225 — 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: Madrid Metro class 8000 trains Context triple: [Line 8 (Madrid Metro), rollingStock, Madrid Metro class 8000 trains]
-
A.
Barcelona Metro Series 9000 trains
The Barcelona Metro Series 9000 trains are modern, fully accessible electric multiple units designed for automated operation on newer lines of the Barcelona Metro network.
-
B.
Renfe Class Civia
Renfe Class Civia is a family of electric multiple unit commuter trains operated by Spain’s national railway company for suburban and regional passenger services.
-
C.
Renfe 447 series
The Renfe 447 series is a class of electric multiple unit commuter trains widely used across Spain’s suburban rail networks.
-
D.
Renfe 446 series
The Renfe 446 series is a class of electric multiple unit commuter trains used extensively in Spain’s Cercanías suburban rail services.
-
E.
Renfe Alvia
Renfe Alvia is a Spanish long-distance high-speed train service operated by Renfe that combines standard and variable-gauge rolling stock to connect major cities across both high-speed and conventional rail lines.
- 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: Madrid Metro class 8000 trains Target entity description: The Madrid Metro class 8000 trains are a series of modern, high-capacity electric multiple units designed for rapid transit service on the Madrid Metro network.
-
A.
Barcelona Metro Series 9000 trains
The Barcelona Metro Series 9000 trains are modern, fully accessible electric multiple units designed for automated operation on newer lines of the Barcelona Metro network.
-
B.
Renfe Class Civia
Renfe Class Civia is a family of electric multiple unit commuter trains operated by Spain’s national railway company for suburban and regional passenger services.
-
C.
Renfe 447 series
The Renfe 447 series is a class of electric multiple unit commuter trains widely used across Spain’s suburban rail networks.
-
D.
Renfe 446 series
The Renfe 446 series is a class of electric multiple unit commuter trains used extensively in Spain’s Cercanías suburban rail services.
-
E.
Renfe Alvia
Renfe Alvia is a Spanish long-distance high-speed train service operated by Renfe that combines standard and variable-gauge rolling stock to connect major cities across both high-speed and conventional rail lines.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
rapid transit rolling stock ⓘ |
| category |
Madrid Metro rolling stock
ⓘ
linked to:
Madrid Metro class 8000 trains
electric multiple units of Spain ⓘ |
| configuration | multiple-unit trainsets ⓘ |
| controlType | driver-operated ⓘ |
| country | Spain ⓘ |
| designedFor |
fast passenger exchange at stations
ⓘ
frequent-stop operation ⓘ high acceleration and braking ⓘ high-capacity passenger transport ⓘ rapid transit service ⓘ |
| doorType | multiple side doors per car ⓘ |
| gauge | standard gauge ⓘ |
| network | Madrid Metro network ⓘ |
| operatesOn | Madrid Metro ⓘ |
| operator |
Metro de Madrid
ⓘ
linked to:
Madrid Metro
|
| passengerAccess | high-level platforms ⓘ |
| powerCollectionMethod | overhead line ⓘ |
| propulsion | electric traction motors ⓘ |
| railwaySystem | Madrid Metro heavy metro lines ⓘ |
| serviceType |
subway
ⓘ
urban metro ⓘ |
| tractionType | electric ⓘ |
| usedIn | public transport in Madrid ⓘ |
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: Madrid Metro class 8000 trains Description of subject: The Madrid Metro class 8000 trains are a series of modern, high-capacity electric multiple units designed for rapid transit service on the Madrid Metro network.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Madrid Metro class 8000 trains
linked to: Madrid Metro class 8000 trains