Tatra T3 tram
E318769
The Tatra T3 tram is a widely produced and iconic Czechoslovakian streetcar model, renowned for its robust design and extensive use across Eastern Europe and the former Soviet bloc.
All labels observed (11)
| Label | Occurrences |
|---|---|
| Tatra T3 tram canonical | 2 |
| Tatra T2 | 1 |
| Tatra T3 | 1 |
| Tatra T3 trams | 1 |
| Tatra T3D | 1 |
| Tatra T3G | 1 |
| Tatra T3M | 1 |
| Tatra T3R | 1 |
| Tatra T3RF | 1 |
| Tatra T3SU | 1 |
| Tatra T3SUCS | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2952763 — 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: Tatra T3 tram Context triple: [PCC streetcar, influenced, Tatra T3 tram]
-
A.
Tatra T1 tram
The Tatra T1 tram is an early postwar Czechoslovak streetcar model that adapted American PCC technology into a robust, standardized design widely used across Eastern Europe.
-
B.
T-68 tram
The T-68 tram was a type of light rail vehicle used on Greater Manchester’s Metrolink system in the UK before being replaced by newer models.
-
C.
LM-93 tram
The LM-93 tram is a Russian-built light rail vehicle model commonly used in city tram and metrotram systems such as the Volgograd Metrotram.
-
D.
SL95 tram
The SL95 tram is a high-floor, bi-directional tram model used in Oslo, Norway, known for its large capacity and operation on the city’s light rail and tram network.
-
E.
SL79 tram
The SL79 tram is a class of articulated light rail vehicles used for passenger service on the Oslo Tramway network in Norway.
- 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: Tatra T3 tram Target entity description: The Tatra T3 tram is a widely produced and iconic Czechoslovakian streetcar model, renowned for its robust design and extensive use across Eastern Europe and the former Soviet bloc.
-
A.
Tatra T1 tram
The Tatra T1 tram is an early postwar Czechoslovak streetcar model that adapted American PCC technology into a robust, standardized design widely used across Eastern Europe.
-
B.
T-68 tram
The T-68 tram was a type of light rail vehicle used on Greater Manchester’s Metrolink system in the UK before being replaced by newer models.
-
C.
LM-93 tram
The LM-93 tram is a Russian-built light rail vehicle model commonly used in city tram and metrotram systems such as the Volgograd Metrotram.
-
D.
SL95 tram
The SL95 tram is a high-floor, bi-directional tram model used in Oslo, Norway, known for its large capacity and operation on the city’s light rail and tram network.
-
E.
SL79 tram
The SL79 tram is a class of articulated light rail vehicles used for passenger service on the Oslo Tramway network in Norway.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
streetcar
ⓘ
tramcar model ⓘ |
| axleArrangement | Bo′Bo′ ⓘ |
| bodyConstruction | all-steel welded body ⓘ |
| bogieCount | 2 ⓘ |
| controlType | resistor-based control ⓘ |
| countryOfOrigin | Czechoslovakia ⓘ |
| couplingCapability | multiple-unit operation ⓘ |
| design | high-floor ⓘ |
| doorConfiguration | three double-leaf doors on right side ⓘ |
| doorCount | 3 ⓘ |
| doorSide | right-hand only ⓘ |
| floorType | high-floor, step entry ⓘ |
| hasVariant |
Tatra T3D
ⓘ
linked to:
Tatra T3 tram
Tatra T3G ⓘ
linked to:
Tatra T3 tram
Tatra T3M ⓘ
linked to:
Tatra T3 tram
Tatra T3R ⓘ
linked to:
Tatra T3 tram
Tatra T3RF ⓘ
linked to:
Tatra T3 tram
Tatra T3SU ⓘ
linked to:
Tatra T3 tram
Tatra T3SUCS ⓘ
linked to:
Tatra T3 tram
|
| introducedAsSuccessorTo |
Tatra T2
ⓘ
linked to:
Tatra T2 tram
|
| length | approximately 14 meters ⓘ |
| manufacturer | ČKD Tatra ⓘ |
| notableFor |
iconic status in Eastern Bloc cities
ⓘ
long service life ⓘ very high production numbers ⓘ |
| operatorRegion |
Central Europe
ⓘ
Eastern Europe ⓘ former Soviet Union ⓘ
linked to:
Soviet Union
|
| powerCollectionMethod | pantograph ⓘ |
| powerSystem | DC traction motors ⓘ |
| productionEnd | 1999 ⓘ |
| productionStart | 1960 ⓘ |
| trackGauge |
metre gauge
ⓘ
standard gauge ⓘ |
| typicalService | urban public transport ⓘ |
| usedInCity |
Bratislava
ⓘ
Brno ⓘ Budapest ⓘ Kyiv ⓘ Moscow ⓘ Ostrava ⓘ Plzeň ⓘ Prague ⓘ Riga ⓘ Tbilisi ⓘ Warsaw ⓘ |
| vehicleType | electric tram ⓘ |
| width | approximately 2.5 meters ⓘ |
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: Tatra T3 tram Description of subject: The Tatra T3 tram is a widely produced and iconic Czechoslovakian streetcar model, renowned for its robust design and extensive use across Eastern Europe and the former Soviet bloc.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.