DB Class 484
E598228
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| DB Class 484 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6335926 — 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 484 Context triple: [S9, rollingStock, DB Class 484]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
DB1
DB1 is the stock ticker symbol for Deutsche Börse AG, a major German exchange organization that operates the Frankfurt Stock Exchange and related financial market infrastructure.
-
E.
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.
- 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 484 Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
DB1
DB1 is the stock ticker symbol for Deutsche Börse AG, a major German exchange organization that operates the Frankfurt Stock Exchange and related financial market infrastructure.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
railway vehicle class ⓘ |
| brakeType |
electrodynamic braking
ⓘ
pneumatic braking ⓘ |
| builtFor | S-Bahn Berlin GmbH NERFINISHED ⓘ |
| category | Berlin S-Bahn rolling stock ⓘ |
| countryOfOperation | Germany NERFINISHED ⓘ |
| couplingType | automatic coupler ⓘ |
| designedFor |
S-Bahn service
ⓘ
high passenger throughput ⓘ urban commuter service ⓘ |
| designedTo |
improve reliability of Berlin S-Bahn services
ⓘ
reduce energy consumption compared to older stock ⓘ |
| designedToMeet | modern accessibility standards ⓘ |
| doorConfiguration | multiple wide sliding doors per side ⓘ |
| electrificationSystem | 750 V DC third rail ⓘ |
| family | Stadler KISS/Citylink-derived design (Berlin S-Bahn variant) NERFINISHED ⓘ |
| feature |
air-conditioned passenger compartments
ⓘ
energy-efficient traction equipment ⓘ passenger information systems ⓘ video surveillance ⓘ |
| formation | 4-car units ⓘ |
| gauge | standard gauge ⓘ |
| introducedToService | 2020s ⓘ |
| manufacturer |
Siemens Mobility
NERFINISHED
ⓘ
Stadler Rail NERFINISHED ⓘ |
| multipleWorking | compatible with DB Class 483 ⓘ |
| network | Berlin S-Bahn NERFINISHED ⓘ |
| operator |
Deutsche Bahn
NERFINISHED
ⓘ
S-Bahn Berlin NERFINISHED ⓘ |
| operatorStyle | S-Bahn NERFINISHED ⓘ |
| owner | Deutsche Bahn NERFINISHED ⓘ |
| powerSupply | third rail current collection ⓘ |
| purpose | replacement of older S-Bahn rolling stock ⓘ |
| railwayAdministration | Deutsche Bahn AG NERFINISHED ⓘ |
| regionServed |
Berlin
NERFINISHED
ⓘ
Brandenburg NERFINISHED ⓘ |
| replaces |
DB Class 480
NERFINISHED
ⓘ
DB Class 485 NERFINISHED ⓘ older Berlin S-Bahn stock ⓘ |
| safetySystem | train protection systems used on Berlin S-Bahn ⓘ |
| serviceEntryDecade | 2020s ⓘ |
| serviceStatus | in service ⓘ |
| serviceType |
commuter rail
ⓘ
passenger ⓘ |
| trackGauge | 1435 mm ⓘ |
| traction | electric ⓘ |
| trainType | EMU 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 484 Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.