DB Class 474
E894695
The DB Class 474 is an electric multiple unit train series operated by Deutsche Bahn, primarily used for suburban S-Bahn services such as those in Hamburg.
All labels observed (2)
| Label | Occurrences |
|---|---|
| DB Class 474 canonical | 1 |
| DB Class 474.3 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10950911 — 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: DB Class 474 Context triple: [Hamburg S-Bahn line S1, usesRollingStock, DB Class 474]
-
A.
DB Class 484
DB Class 484 is a series of modern electric multiple units built for Berlin’s S-Bahn network, designed to replace older trains and improve urban commuter service.
-
B.
DB Class 423
DB Class 423 is a series of electric multiple-unit commuter trains widely used in German S-Bahn networks, particularly for high-frequency urban and suburban passenger services.
-
C.
DB Class 422
DB Class 422 is a series of modern electric multiple-unit commuter trains operated by Deutsche Bahn, primarily used on S-Bahn services in Germany.
-
D.
DB Class 480
The DB Class 480 is a series of electric multiple unit trains used for urban rapid transit services on the Berlin S-Bahn network in Germany.
-
E.
DB Class 483
DB Class 483 is a series of modern electric multiple units used by S-Bahn Berlin for urban commuter rail services in the Berlin 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: DB Class 474 Target entity description: The DB Class 474 is an electric multiple unit train series operated by Deutsche Bahn, primarily used for suburban S-Bahn services such as those in Hamburg.
-
A.
DB Class 484
DB Class 484 is a series of modern electric multiple units built for Berlin’s S-Bahn network, designed to replace older trains and improve urban commuter service.
-
B.
DB Class 423
DB Class 423 is a series of electric multiple-unit commuter trains widely used in German S-Bahn networks, particularly for high-frequency urban and suburban passenger services.
-
C.
DB Class 422
DB Class 422 is a series of modern electric multiple-unit commuter trains operated by Deutsche Bahn, primarily used on S-Bahn services in Germany.
-
D.
DB Class 480
The DB Class 480 is a series of electric multiple unit trains used for urban rapid transit services on the Berlin S-Bahn network in Germany.
-
E.
DB Class 483
DB Class 483 is a series of modern electric multiple units used by S-Bahn Berlin for urban commuter rail services in the Berlin metropolitan area.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
S-Bahn train
ⓘ
electric multiple unit ⓘ |
| belongsToFleet | Deutsche Bahn rolling stock NERFINISHED ⓘ |
| brakingSystem |
electric brakes
ⓘ
pneumatic brakes ⓘ |
| category |
Deutsche Bahn S-Bahn rolling stock
ⓘ
German electric multiple unit ⓘ |
| configuration | EMU NERFINISHED ⓘ |
| controlType | multiple-unit control ⓘ |
| country | Germany NERFINISHED ⓘ |
| designedFor |
frequent stops
ⓘ
high passenger turnover ⓘ |
| doorType | sliding doors ⓘ |
| electrificationSystem | third-rail electrification ⓘ |
| gauge | 1435 mm standard gauge ⓘ |
| operatingArea | Hamburg metropolitan region NERFINISHED ⓘ |
| operator |
DB Regio
NERFINISHED
ⓘ
Deutsche Bahn ⓘ |
| operatorType | public railway company ⓘ |
| owner | Deutsche Bahn NERFINISHED ⓘ |
| powerSupply | 1200 V DC third rail ⓘ |
| primaryNetwork | Hamburg S-Bahn NERFINISHED ⓘ |
| primaryUse |
S-Bahn services
ⓘ
suburban rail services ⓘ |
| railwaySystem | German railway network ⓘ |
| service | passenger transport ⓘ |
| serviceEntry | 1990s ⓘ |
| serviceStatus | in service ⓘ |
| serviceType |
commuter rail
ⓘ
urban rail ⓘ |
| tractionType | electric ⓘ |
| usedInCity | Hamburg NERFINISHED ⓘ |
| usedOn | S-Bahn Hamburg lines 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: DB Class 474 Description of subject: The DB Class 474 is an electric multiple unit train series operated by Deutsche Bahn, primarily used for suburban S-Bahn services such as those in Hamburg.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
DB Class 474.3