DB Class 423
E819605
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| DB Class 423 canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T9749711 — 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 423 Context triple: [Rhine-Ruhr S-Bahn, rollingStock, DB Class 423]
-
A.
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.
-
B.
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.
-
C.
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.
-
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 481 (typical)
The DB Class 481 is a series of electric multiple units used for Berlin S-Bahn commuter services, known for their red-yellow livery and operation on the city’s third-rail network.
- 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 423 Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
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.
-
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 481 (typical)
The DB Class 481 is a series of electric multiple units used for Berlin S-Bahn commuter services, known for their red-yellow livery and operation on the city’s third-rail network.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
commuter train
ⓘ
electric multiple unit ⓘ |
| brakeType |
electrodynamic braking
ⓘ
pneumatic braking ⓘ |
| canOperateInMultiple | yes ⓘ |
| carBodyMaterial | lightweight steel or aluminium construction ⓘ |
| category |
German EMU rolling stock
ⓘ
rail vehicle ⓘ |
| collectionMethod | pantograph ⓘ |
| countryOfOperation | Germany NERFINISHED ⓘ |
| designedBy | consortium of German rolling stock manufacturers ⓘ |
| designedFor |
frequent stop-and-go operation
ⓘ
rapid passenger exchange ⓘ short to medium distance services ⓘ |
| doorConfiguration | multiple wide sliding doors per side ⓘ |
| electricSystem | 15 kV 16.7 Hz AC overhead line ⓘ |
| enteredService | around 1998 ⓘ |
| gauge | standard gauge ⓘ |
| hasCoupling | automatic multiple-unit coupling ⓘ |
| hasFeature |
air-conditioned passenger compartments
ⓘ
low-floor access at doors ⓘ passenger information system ⓘ |
| hasPassengerCapacity | high standing passenger capacity ⓘ |
| introduced | late 1990s ⓘ |
| numberOfCarsPerSet | 4 ⓘ |
| operator |
DB Regio
NERFINISHED
ⓘ
Deutsche Bahn NERFINISHED ⓘ S-Bahn Köln NERFINISHED ⓘ S-Bahn München NERFINISHED ⓘ S-Bahn Rhein-Main NERFINISHED ⓘ S-Bahn Rhein-Ruhr NERFINISHED ⓘ S-Bahn Stuttgart NERFINISHED ⓘ |
| owner | Deutsche Bahn AG NERFINISHED ⓘ |
| powerType | electric ⓘ |
| safetySystem | German train protection systems (e.g. PZB) ⓘ |
| serviceType |
commuter rail
ⓘ
regional rail ⓘ |
| trackGauge | 1435 mm ⓘ |
| typicalFormation | multiple units coupled for longer trains ⓘ |
| usedBy | regional transport authorities in Germany ⓘ |
| usedFor |
high-frequency S-Bahn services
ⓘ
suburban passenger transport ⓘ urban passenger transport ⓘ |
| usedInNetwork |
Cologne S-Bahn
NERFINISHED
ⓘ
Munich S-Bahn NERFINISHED ⓘ Rhine-Main S-Bahn NERFINISHED ⓘ Rhine-Ruhr S-Bahn NERFINISHED ⓘ Stuttgart S-Bahn 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 423 Description of subject: 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.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.