Warsaw Tram system
E48150
horse-drawn tram system
public transport authority
public transport operator
public transport system
tram network
The Warsaw Tram system is an extensive urban light rail network serving Poland’s capital, forming a core component of the city’s public transportation infrastructure.
All labels observed (8)
| Label | Occurrences |
|---|---|
| Warsaw tram network | 23 |
| Warsaw Tram system canonical | 4 |
| Tramwaje Warszawskie | 3 |
| Warsaw trams | 3 |
| Mokotów tram depot | 1 |
| Warsaw horse tram system | 1 |
| Warsaw tram lines | 1 |
| tram network of Warsaw | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T377294 — 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: Warsaw Tram system Context triple: [Warsaw, hasPublicTransport, Warsaw Tram system]
-
A.
Warsaw Metro
The Warsaw Metro is the rapid transit system serving Poland's capital, consisting of underground lines that connect key districts across the city.
-
B.
Układ Warszawski
Układ Warszawski was a Cold War-era military alliance of Eastern Bloc socialist states led by the Soviet Union, formed in 1955 as a counterbalance to NATO.
-
C.
Warsaw
Warsaw is the capital and largest city of Poland, known for its resilient history, especially its near-total destruction in World War II and subsequent postwar reconstruction.
-
D.
Crimean trolleybus line
The Crimean trolleybus line is a long-distance electric trolleybus route in Crimea, notable for being one of the world’s longest trolleybus lines and connecting cities such as Simferopol, Alushta, and Yalta across mountainous terrain.
-
E.
Katowice
Katowice is a major industrial and cultural city in southern Poland, known as the capital of the Silesian region.
- 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: Warsaw Tram system Target entity description: The Warsaw Tram system is an extensive urban light rail network serving Poland’s capital, forming a core component of the city’s public transportation infrastructure.
-
A.
Warsaw Metro
The Warsaw Metro is the rapid transit system serving Poland's capital, consisting of underground lines that connect key districts across the city.
-
B.
Układ Warszawski
Układ Warszawski was a Cold War-era military alliance of Eastern Bloc socialist states led by the Soviet Union, formed in 1955 as a counterbalance to NATO.
-
C.
Warsaw
Warsaw is the capital and largest city of Poland, known for its resilient history, especially its near-total destruction in World War II and subsequent postwar reconstruction.
-
D.
Crimean trolleybus line
The Crimean trolleybus line is a long-distance electric trolleybus route in Crimea, notable for being one of the world’s longest trolleybus lines and connecting cities such as Simferopol, Alushta, and Yalta across mountainous terrain.
-
E.
Katowice
Katowice is a major industrial and cultural city in southern Poland, known as the capital of the Silesian region.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
horse-drawn tram system
ⓘ
public transport authority ⓘ public transport operator ⓘ public transport system ⓘ tram network ⓘ |
| connectsWith |
Warsaw Metro
ⓘ
Warsaw city bus network ⓘ Warsaw suburban rail services ⓘ |
| country | Poland ⓘ |
| electrification | overhead line ⓘ |
| fareSystem | integrated ZTM Warsaw tariff ⓘ |
| hasDepot |
Mokotów tram depot
ⓘ
linked to:
Warsaw Tram system
Praga tram depot ⓘ Wola tram depot ⓘ Żoliborz tram depot ⓘ |
| hasFeature |
low-floor trams
ⓘ
ticket validation machines on board ⓘ |
| hasIntegration | park and ride facilities in Warsaw ⓘ |
| hasLanguage | Polish ⓘ |
| hasPriorityIn |
Warsaw city center
ⓘ
linked to:
Śródmieście, Warsaw
|
| hasRegulator |
City of Warsaw authorities
ⓘ
linked to:
Mayor of Warsaw
|
| hasRollingStockType |
Hyundai Rotem low-floor tram
ⓘ
Konstal 105Na tram ⓘ Pesa Jazz tram ⓘ Pesa Swing tram ⓘ |
| hasSignageLanguage |
English
ⓘ
Polish ⓘ |
| hasStopFeature |
platform shelters
ⓘ
real-time passenger information displays ⓘ |
| hasStopType | street-level tram stop ⓘ |
| hasTrackGauge | standard gauge ⓘ |
| hasWebsite | https://www.tw.waw.pl ⓘ |
| locatedIn |
Masovian Voivodeship
ⓘ
Poland ⓘ Warsaw ⓘ |
| modeOfTransport |
light rail
ⓘ
tram ⓘ |
| openingDate | 1908 ⓘ |
| operator |
Tramwaje Warszawskie
ⓘ
linked to:
Warsaw Tram system
|
| ownedBy |
City of Warsaw
ⓘ
linked to:
Warsaw
|
| partOf | public transport in Warsaw ⓘ |
| precededBy |
Warsaw horse tram system
ⓘ
linked to:
Warsaw Tram system
|
| role | backbone of Warsaw public transport ⓘ |
| serves |
Warsaw
ⓘ
Warsaw ⓘ Warsaw ⓘ |
| ticketAuthority | Zarząd Transportu Miejskiego w Warszawie ⓘ |
| traction | electric ⓘ |
| usesTicketMedium | Warszawska Karta Miejska ⓘ |
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: Warsaw Tram system Description of subject: The Warsaw Tram system is an extensive urban light rail network serving Poland’s capital, forming a core component of the city’s public transportation infrastructure.
Referenced by (37)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
subject linked to:
Żoliborz, Warsaw
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system
subject linked to:
Rondo Daszyńskiego roundabout
linked to: Warsaw Tram system
linked to: Warsaw Tram system
linked to: Warsaw Tram system