DBAG Class 481
E589531
The DBAG Class 481 is a series of electric multiple units used on the Berlin S-Bahn network, known for their lightweight design and role in modernizing urban rail services in the German capital.
All labels observed (1)
| Label | Occurrences |
|---|---|
| DBAG Class 481 canonical | 16 |
How this entity was disambiguated
This entity first appeared as the object of triple T6335735 — 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: DBAG Class 481 Context triple: [S25, usesRollingStock, DBAG Class 481]
-
A.
DBAG Class 480
The DBAG Class 480 is a series of electric multiple units used primarily for S-Bahn commuter rail services in Berlin, Germany.
-
B.
EMD GP40-2H
The EMD GP40-2H is a rebuilt, passenger-equipped variant of the EMD GP40-2 diesel-electric locomotive, featuring head-end power for commuter rail service.
-
C.
EMD F40PH
The EMD F40PH is a widely used four-axle diesel-electric passenger locomotive built by Electro-Motive Division, best known for its long service on North American commuter and intercity railroads.
-
D.
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.
-
E.
EMD SD40-2 locomotive
The EMD SD40-2 locomotive is a highly successful and widely used North American diesel-electric freight locomotive introduced in the 1970s, known for its reliability, modular design, and long service life.
- 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: DBAG Class 481 Target entity description: The DBAG Class 481 is a series of electric multiple units used on the Berlin S-Bahn network, known for their lightweight design and role in modernizing urban rail services in the German capital.
-
A.
DBAG Class 480
The DBAG Class 480 is a series of electric multiple units used primarily for S-Bahn commuter rail services in Berlin, Germany.
-
B.
EMD GP40-2H
The EMD GP40-2H is a rebuilt, passenger-equipped variant of the EMD GP40-2 diesel-electric locomotive, featuring head-end power for commuter rail service.
-
C.
EMD F40PH
The EMD F40PH is a widely used four-axle diesel-electric passenger locomotive built by Electro-Motive Division, best known for its long service on North American commuter and intercity railroads.
-
D.
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.
-
E.
EMD SD40-2 locomotive
The EMD SD40-2 locomotive is a highly successful and widely used North American diesel-electric freight locomotive introduced in the 1970s, known for its reliability, modular design, and long service life.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
S-Bahn train
ⓘ
electric multiple unit ⓘ |
| brakeType |
electrodynamic brakes
ⓘ
pneumatic brakes ⓘ |
| category |
Berlin S-Bahn rolling stock
ⓘ
German electric multiple unit ⓘ |
| controlType | multiple-unit control ⓘ |
| country | Germany ⓘ |
| designCharacteristic |
lightweight construction
ⓘ
steel carbody ⓘ wide doors for rapid boarding ⓘ |
| designedBy | Deutsche Bahn engineers ⓘ |
| designedFor |
Berlin S-Bahn network
ⓘ
linked to:
Berlin S-Bahn
|
| doorControl | driver-operated doors ⓘ |
| electrificationSystem | 750 V DC third rail ⓘ |
| enteredServiceInDecade | 1990s ⓘ |
| formation |
four-car trains formed by coupled sets
ⓘ
two-car sets ⓘ |
| introduced |
1990s
ⓘ
late 1990s ⓘ |
| modernizationRole | key element in post-reunification S-Bahn renewal ⓘ |
| multipleWorking | compatible with other Class 481 units ⓘ |
| network | Berlin S-Bahn ⓘ |
| operator |
DB Regio (via S-Bahn Berlin GmbH)
ⓘ
linked to:
S-Bahn Berlin GmbH
S-Bahn Berlin ⓘ
linked to:
Berlin S-Bahn
|
| owner | Deutsche Bahn ⓘ |
| passengerAccess | level boarding at S-Bahn platforms ⓘ |
| powerSupplyMethod | third rail ⓘ |
| propulsionType | electric traction ⓘ |
| purpose |
capacity increase on Berlin S-Bahn
ⓘ
replacement of older S-Bahn classes ⓘ |
| railwaySystem | German railway system ⓘ |
| regionServed |
Berlin
ⓘ
Brandenburg ⓘ |
| role | modernization of Berlin S-Bahn rolling stock ⓘ |
| safetySystem | train protection suitable for Berlin S-Bahn ⓘ |
| serviceRole | core fleet of Berlin S-Bahn ⓘ |
| serviceStatus | in service ⓘ |
| serviceType |
commuter rail
ⓘ
urban rail ⓘ |
| trackGauge | standard gauge ⓘ |
| usedFor |
high-frequency urban services
ⓘ
short-distance passenger transport ⓘ |
| usedInCity | Berlin ⓘ |
| usedInCountry | Germany ⓘ |
| usedOn | electrified S-Bahn lines in Berlin ⓘ |
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: DBAG Class 481 Description of subject: The DBAG Class 481 is a series of electric multiple units used on the Berlin S-Bahn network, known for their lightweight design and role in modernizing urban rail services in the German capital.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.