Siemens SD100
E463250
The Siemens SD100 is a light rail vehicle model built by Siemens for use on urban trolley and light rail systems such as the San Diego Trolley.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Siemens SD100 canonical | 2 |
| Siemens SD-100 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4679806 — 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: Siemens SD100 Context triple: [San Diego Trolley, hasRollingStock, Siemens SD100]
-
A.
Siemens SD-160
The Siemens SD-160 is a high-floor light rail vehicle widely used in North American transit systems, including Calgary’s CTrain, known for its modular design and reliable urban service.
-
B.
Siemens SD660
Siemens SD660 is a model of light rail vehicle built by Siemens for use in modern urban transit systems.
-
C.
Siemens Avanto
Siemens Avanto is a family of light rail and tram-train vehicles developed by Siemens for urban and regional public transport systems.
-
D.
Siemens S200
The Siemens S200 is a modern low-floor light rail vehicle used in North American transit systems, including Calgary’s CTrain, known for its improved accessibility, energy efficiency, and passenger comfort.
-
E.
Siemens U2
Siemens U2 is a type of light rail vehicle widely used in North American transit systems, including the San Diego Trolley, known for its articulated design and high-floor configuration.
- 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: Siemens SD100 Target entity description: The Siemens SD100 is a light rail vehicle model built by Siemens for use on urban trolley and light rail systems such as the San Diego Trolley.
-
A.
Siemens SD-160
The Siemens SD-160 is a high-floor light rail vehicle widely used in North American transit systems, including Calgary’s CTrain, known for its modular design and reliable urban service.
-
B.
Siemens SD660
Siemens SD660 is a model of light rail vehicle built by Siemens for use in modern urban transit systems.
-
C.
Siemens Avanto
Siemens Avanto is a family of light rail and tram-train vehicles developed by Siemens for urban and regional public transport systems.
-
D.
Siemens S200
The Siemens S200 is a modern low-floor light rail vehicle used in North American transit systems, including Calgary’s CTrain, known for its improved accessibility, energy efficiency, and passenger comfort.
-
E.
Siemens U2
Siemens U2 is a type of light rail vehicle widely used in North American transit systems, including the San Diego Trolley, known for its articulated design and high-floor configuration.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | light rail vehicle ⓘ |
| brakeType |
electric braking
ⓘ
pneumatic braking ⓘ |
| category |
electric multiple unit
ⓘ
rail vehicle ⓘ urban rail vehicle ⓘ |
| control | multiple-unit control capable ⓘ |
| countryOfOperation |
United States of America
ⓘ
surface form:
United States
|
| designedBy | Siemens transportation division NERFINISHED ⓘ |
| designedFor |
frequent stop-and-go service
ⓘ
reserved right-of-way operation ⓘ street-running operation ⓘ urban light rail ⓘ |
| doorConfiguration | high-floor doors ⓘ |
| family | Siemens SD light rail vehicle family NERFINISHED ⓘ |
| floorType | high-floor ⓘ |
| hasCoupling | multiple-unit couplers ⓘ |
| hasFeature |
articulated body
ⓘ
bi-directional operation possible (with appropriate cab configuration) ⓘ high-floor passenger compartment ⓘ overhead pantograph current collection ⓘ |
| hasOperator | public transit agencies ⓘ |
| hasSuccessor | Siemens SD160 NERFINISHED ⓘ |
| manufacturer |
Siemens
NERFINISHED
ⓘ
Siemens Mobility NERFINISHED ⓘ |
| marketedAs | SD100 NERFINISHED ⓘ |
| numberOfSections | articulated ⓘ |
| operatesOn | San Diego Trolley NERFINISHED ⓘ |
| operator | San Diego Metropolitan Transit System NERFINISHED ⓘ |
| powerSupply | overhead catenary ⓘ |
| propulsion | electric traction motors ⓘ |
| railSystemType | light rail ⓘ |
| role | primary fleet vehicle for San Diego Trolley (historically) ⓘ |
| service | passenger transport ⓘ |
| serviceType | light rail transit ⓘ |
| trackGauge | standard gauge ⓘ |
| traction | electric ⓘ |
| usedFor |
light rail systems
ⓘ
trolley operations ⓘ urban rail transit ⓘ |
| usedInCity | San Diego NERFINISHED ⓘ |
| usedInState | California NERFINISHED ⓘ |
| usedOn | light rail lines in San Diego ⓘ |
| usedOnInfrastructure | urban rail tracks ⓘ |
| vehicleType |
light rail vehicle
ⓘ
tram ⓘ |
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: Siemens SD100 Description of subject: The Siemens SD100 is a light rail vehicle model built by Siemens for use on urban trolley and light rail systems such as the San Diego Trolley.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Siemens U2 LRV
this entity surface form:
Siemens SD-100
subject surface form:
Siemens SD160