M300 series trains
E418560
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M300 series trains canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4098525 — 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: M300 series trains Context triple: [Helsinki Metro, usesRollingStock, M300 series trains]
-
A.
M200 series trains
The M200 series trains are a fleet of modern electric multiple units operating on the Helsinki Metro system in Finland.
-
B.
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.
-
C.
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.
-
D.
30000-series EMU
The 30000-series EMU is a modern electric multiple unit train used on Osaka Metro, featuring improved energy efficiency, passenger comfort, and accessibility compared to earlier rolling stock.
-
E.
M3 electric multiple unit
The M3 electric multiple unit is a class of electric commuter rail cars used by the Long Island Rail Road for high-capacity passenger service in the New York metropolitan area.
- 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: M300 series trains Target entity description: 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.
-
A.
M200 series trains
The M200 series trains are a fleet of modern electric multiple units operating on the Helsinki Metro system in Finland.
-
B.
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.
-
C.
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.
-
D.
30000-series EMU
The 30000-series EMU is a modern electric multiple unit train used on Osaka Metro, featuring improved energy efficiency, passenger comfort, and accessibility compared to earlier rolling stock.
-
E.
M3 electric multiple unit
The M3 electric multiple unit is a class of electric commuter rail cars used by the Long Island Rail Road for high-capacity passenger service in the New York metropolitan area.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
metro train ⓘ rolling stock series ⓘ |
| category |
Helsinki Metro rolling stock
ⓘ
electric multiple units of Finland ⓘ |
| country | Finland ⓘ |
| designedFor |
high-capacity passenger service
ⓘ
high-frequency metro operation ⓘ urban rail transport ⓘ |
| feature |
accessibility for reduced-mobility passengers
ⓘ
air-conditioned interiors ⓘ high passenger capacity ⓘ modern passenger information systems ⓘ through-gangways between cars ⓘ wide doors for fast boarding ⓘ |
| gauge | standard gauge ⓘ |
| introducedAs | modern fleet renewal ⓘ |
| network | Helsinki Metro network NERFINISHED ⓘ |
| operator |
Helsingin seudun liikenne
ⓘ
Helsinki Metro NERFINISHED ⓘ |
| powerCollectionMethod | third rail ⓘ |
| purpose |
increase capacity on Helsinki Metro
ⓘ
replace or supplement older rolling stock ⓘ |
| servesCity |
Espoo
NERFINISHED
ⓘ
Helsinki ⓘ |
| serviceType |
metro
ⓘ
rapid transit ⓘ |
| traction | electric ⓘ |
| usedOn |
Helsinki Metro
ⓘ
surface form:
Helsinki Metro extension to Espoo
Helsinki Metro main line NERFINISHED ⓘ |
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: M300 series trains Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.