DB Class 481 (typical)
E578124
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| DB Class 481 | 6 |
| DB Class 481 (typical) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6230942 — 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 481 (typical) Context triple: [S7, rollingStock, DB Class 481 (typical)]
-
A.
DB Class 430 EMU
The DB Class 430 EMU is a modern electric multiple unit used by Deutsche Bahn for high-frequency suburban and S-Bahn commuter services in Germany.
-
B.
DB Class 423 EMU
The DB Class 423 EMU is a series of modern electric multiple-unit commuter trains widely used in German S-Bahn networks for high-frequency urban and suburban passenger services.
-
C.
Class 455 EMU
The Class 455 EMU is a type of British electric multiple unit train introduced in the early 1980s for suburban commuter services in the South East of England.
-
D.
Class 387 train
The Class 387 train is a modern British electric multiple unit used for high-frequency commuter and regional services, known for its air-conditioned interiors and improved passenger comfort.
-
E.
DB 601E
The DB 601E was an advanced, high-performance variant of the Daimler-Benz inverted V-12 aircraft engine used in later models of German World War II fighters such as the Messerschmitt Bf 109.
- 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 481 (typical) Target entity description: 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.
-
A.
DB Class 430 EMU
The DB Class 430 EMU is a modern electric multiple unit used by Deutsche Bahn for high-frequency suburban and S-Bahn commuter services in Germany.
-
B.
DB Class 423 EMU
The DB Class 423 EMU is a series of modern electric multiple-unit commuter trains widely used in German S-Bahn networks for high-frequency urban and suburban passenger services.
-
C.
Class 455 EMU
The Class 455 EMU is a type of British electric multiple unit train introduced in the early 1980s for suburban commuter services in the South East of England.
-
D.
Class 387 train
The Class 387 train is a modern British electric multiple unit used for high-frequency commuter and regional services, known for its air-conditioned interiors and improved passenger comfort.
-
E.
DB 601E
The DB 601E was an advanced, high-performance variant of the Daimler-Benz inverted V-12 aircraft engine used in later models of German World War II fighters such as the Messerschmitt Bf 109.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
railway vehicle class ⓘ |
| accessibilityFeature | wide doors for fast boarding ⓘ |
| belongsTo | Deutsche Bahn rolling stock fleet ⓘ |
| brakeType |
electrodynamic brakes
ⓘ
pneumatic brakes ⓘ |
| carType |
driving trailer
ⓘ
motor car ⓘ |
| countryOfOperation | Germany NERFINISHED ⓘ |
| designedBy | consortium of ABB Henschel and Siemens ⓘ |
| designedFor |
commuter rail services
ⓘ
high-frequency stop-and-go operation ⓘ operation in dedicated S-Bahn tunnels and suburban lines ⓘ |
| doorConfiguration | multiple sliding doors per side ⓘ |
| doorOperation | electric, driver-controlled doors ⓘ |
| electrificationSystem | 750 V DC third rail ⓘ |
| enteredService |
1996
ⓘ
1997 ⓘ |
| family | Berlin S-Bahn EMU stock NERFINISHED ⓘ |
| formation | 4-car unit ⓘ |
| formationDetail | two permanently coupled 2-car sets (481+482) ⓘ |
| gauge | 1,435 mm ⓘ |
| hasCab | driver’s cab at each end of the 4-car unit ⓘ |
| hasInterior | longitudinal and transverse seating mix ⓘ |
| hasMultipleWorking | can operate in multiple with other Class 481 units ⓘ |
| introduced | late 1990s ⓘ |
| livery |
red-yellow
ⓘ
traffic red with yellow doors and window band ⓘ |
| manufacturer |
ABB Henschel
NERFINISHED
ⓘ
Siemens NERFINISHED ⓘ |
| operator |
DB Regio (for S-Bahn Berlin)
NERFINISHED
ⓘ
Deutsche Bahn NERFINISHED ⓘ S-Bahn Berlin GmbH NERFINISHED ⓘ |
| operatorColorScheme | Berlin S-Bahn red-yellow ⓘ |
| powerCollectionMethod | third rail ⓘ |
| powerSupply | third-rail contact shoe ⓘ |
| primaryServiceArea | Berlin S-Bahn network NERFINISHED ⓘ |
| railwayNetwork | Berlin S-Bahn NERFINISHED ⓘ |
| region |
Berlin
NERFINISHED
ⓘ
Brandenburg (selected S-Bahn routes) NERFINISHED ⓘ |
| safetySystem | train protection system compatible with Berlin S-Bahn ⓘ |
| serviceType |
S-Bahn
NERFINISHED
ⓘ
urban rapid transit ⓘ |
| trackGauge | standard gauge ⓘ |
| tractionType | electric ⓘ |
| UICClassification | Bo′Bo′+Bo′Bo′ ⓘ |
| usedFor | peak-hour commuter traffic ⓘ |
| usedOn | most lines of the Berlin S-Bahn ⓘ |
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 481 (typical) Description of subject: 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.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
DB Class 481
this entity surface form:
DB Class 481
this entity surface form:
DB Class 481
this entity surface form:
DB Class 481
this entity surface form:
DB Class 481
this entity surface form:
DB Class 481