TMB 3000/4000 family of trains
E884829
The TMB 3000/4000 family of trains is a series of electric multiple units used on the Barcelona Metro, known for modernizing and expanding the network’s rolling stock.
All labels observed (1)
| Label | Occurrences |
|---|---|
| TMB 3000/4000 family of trains canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10769810 — 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: TMB 3000/4000 family of trains Context triple: [TMB 3000 series, belongsTo, TMB 3000/4000 family of trains]
-
A.
M300 series trains
The M300 series trains are a modern fleet of metro trains operating on the Helsinki Metro, designed to provide efficient, high-capacity urban rail transport.
-
B.
MX3000 train
The MX3000 train is a modern electric multiple unit used as the primary passenger rolling stock on the Oslo Metro system in Norway.
-
C.
M100 series trains
The M100 series trains are the original electric multiple units that have operated on the Helsinki Metro since its opening, known for their robust design and long service life.
-
D.
Mark III trains
Mark III trains are a generation of streamlined monorail vehicles that operated on the Disneyland Monorail System, featuring updated design and technology over earlier models.
-
E.
Mark IV trains
Mark IV trains are an older generation of automated rapid transit vehicles that operated on Vancouver’s SkyTrain system before being succeeded by the more modern Mark V trains.
- 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: TMB 3000/4000 family of trains Target entity description: The TMB 3000/4000 family of trains is a series of electric multiple units used on the Barcelona Metro, known for modernizing and expanding the network’s rolling stock.
-
A.
M300 series trains
The M300 series trains are a modern fleet of metro trains operating on the Helsinki Metro, designed to provide efficient, high-capacity urban rail transport.
-
B.
MX3000 train
The MX3000 train is a modern electric multiple unit used as the primary passenger rolling stock on the Oslo Metro system in Norway.
-
C.
M100 series trains
The M100 series trains are the original electric multiple units that have operated on the Helsinki Metro since its opening, known for their robust design and long service life.
-
D.
Mark III trains
Mark III trains are a generation of streamlined monorail vehicles that operated on the Disneyland Monorail System, featuring updated design and technology over earlier models.
-
E.
Mark IV trains
Mark IV trains are an older generation of automated rapid transit vehicles that operated on Vancouver’s SkyTrain system before being succeeded by the more modern Mark V trains.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
metro rolling stock ⓘ |
| category |
electric multiple units of Spain
ⓘ
rolling stock of the Barcelona Metro ⓘ |
| controlSystem | multiple-unit control ⓘ |
| country | Spain ⓘ |
| designedFor |
high-frequency metro operation
ⓘ
underground operation ⓘ |
| electrificationSystem | overhead catenary ⓘ |
| familyIncludes |
TMB 3000 series
ⓘ
TMB 4000 series ⓘ |
| gauge | standard gauge ⓘ |
| location | Barcelona ⓘ |
| network |
Barcelona Metro network
ⓘ
linked to:
Barcelona Metro
|
| operator |
Barcelona Metro
ⓘ
Transports Metropolitans de Barcelona ⓘ |
| organizationUsing |
Autoritat del Transport Metropolità (Barcelona metropolitan transport authority)
ⓘ
linked to:
Autoritat del Transport Metropolità
|
| owner | Transports Metropolitans de Barcelona ⓘ |
| powerCollection | overhead line ⓘ |
| primaryRole | urban passenger distribution ⓘ |
| propulsion | electric traction motors ⓘ |
| purpose |
expansion of rolling stock
ⓘ
modernization of rolling stock ⓘ |
| railwayMode | heavy metro ⓘ |
| railwaySystem |
Barcelona urban rail system
ⓘ
linked to:
Barcelona Metro
|
| regionServed | Catalonia ⓘ |
| service | public transport ⓘ |
| serviceStatus | in service ⓘ |
| serviceType | metro service ⓘ |
| traction | electric ⓘ |
| usedFor | passenger transport ⓘ |
| usedOn |
Barcelona Metro lines
ⓘ
linked to:
Barcelona Metro
urban rapid transit lines ⓘ |
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: TMB 3000/4000 family of trains Description of subject: The TMB 3000/4000 family of trains is a series of electric multiple units used on the Barcelona Metro, known for modernizing and expanding the network’s rolling stock.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.