Tatra K2 tram
E522291
The Tatra K2 tram is a high-capacity articulated tramcar of Czechoslovak design that has been widely used in several Central and Eastern European cities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tatra K2 tram canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5458145 — 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 K2 tram Context triple: [Sarajevo tram system, hasRollingStockType, Tatra K2 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.
Tatra T3 tram
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.
-
C.
Tatra KT8D5 tram
The Tatra KT8D5 tram is a high-floor, articulated tramcar model produced in Czechoslovakia in the 1980s, widely used in several Central and Eastern European cities.
-
D.
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.
-
E.
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.
- 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 K2 tram Target entity description: The Tatra K2 tram is a high-capacity articulated tramcar of Czechoslovak design that has been widely used in several Central and Eastern European cities.
-
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.
Tatra T3 tram
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.
-
C.
Tatra KT8D5 tram
The Tatra KT8D5 tram is a high-floor, articulated tramcar model produced in Czechoslovakia in the 1980s, widely used in several Central and Eastern European cities.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
articulated tramcar
ⓘ
tram type ⓘ |
| articulation | single-articulated ⓘ |
| capacityCharacteristic | high passenger capacity ⓘ |
| collectionMethod | pantograph ⓘ |
| controlType | electric camshaft control ⓘ |
| countryOfOrigin | Czechoslovakia NERFINISHED ⓘ |
| derivedFrom | Tatra T3 NERFINISHED ⓘ |
| designedFor | high-capacity urban transport ⓘ |
| designer | ČKD Tatra NERFINISHED ⓘ |
| doorConfiguration | multiple side doors ⓘ |
| doorLocation | right-hand side ⓘ |
| enteredService | late 1960s ⓘ |
| era | Cold War period NERFINISHED ⓘ |
| floorHeight | high-floor ⓘ |
| hasVariant |
Tatra K2G
NERFINISHED
ⓘ
Tatra K2R NERFINISHED ⓘ Tatra K2S NERFINISHED ⓘ Tatra K2YU NERFINISHED ⓘ |
| manufacturer | ČKD Tatra NERFINISHED ⓘ |
| numberOfSections | 2 ⓘ |
| operatedInCity |
Belgrade
NERFINISHED
ⓘ
Bratislava NERFINISHED ⓘ Brno NERFINISHED ⓘ Innsbruck NERFINISHED ⓘ Sarajevo NERFINISHED ⓘ Zagreb NERFINISHED ⓘ |
| operatorType | municipal transport companies ⓘ |
| powerSupply | electric ⓘ |
| productionEnd | 1983 ⓘ |
| productionStart | 1966 ⓘ |
| serviceRole | urban public transport ⓘ |
| trackGauge |
metre gauge
ⓘ
standard gauge ⓘ |
| typicalOperation | two-car or single-car tram consists ⓘ |
| usedInCountry |
Austria
ⓘ
Bosnia and Herzegovina NERFINISHED ⓘ Croatia NERFINISHED ⓘ Czech Republic NERFINISHED ⓘ Czechoslovakia NERFINISHED ⓘ Serbia NERFINISHED ⓘ Slovakia NERFINISHED ⓘ Slovenia NERFINISHED ⓘ Ukraine NERFINISHED ⓘ Yugoslavia NERFINISHED ⓘ |
| usedInRegion |
Central Europe
NERFINISHED
ⓘ
Eastern Europe NERFINISHED ⓘ |
| vehicleType | high-floor 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: Tatra K2 tram Description of subject: The Tatra K2 tram is a high-capacity articulated tramcar of Czechoslovak design that has been widely used in several Central and Eastern European cities.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.