Warsaw Metro Line M2
E908662
Warsaw Metro Line M2 is the east–west rapid transit line of the Warsaw Metro system, serving key districts on both sides of the Vistula River in Poland’s capital.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Warsaw Metro Line M2 canonical | 2 |
| Warsaw Metro Line 2 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11111239 — 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 Metro Line M2 Context triple: [Metro Warszawskie, operatorOf, Warsaw Metro Line M2]
-
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.
M1 line of Warsaw Metro
The M1 line of the Warsaw Metro is the city’s first north–south rapid transit line, connecting key residential districts with the central area of Warsaw.
-
C.
Pole Mokotowskie metro station
Pole Mokotowskie metro station is an underground station on Line M1 of the Warsaw Metro serving the Mokotów and Ochota districts near the Pole Mokotowskie park.
-
D.
Wilanowska metro station
Wilanowska metro station is a key underground transit stop in Warsaw, Poland, serving the city’s metro network and connecting to surrounding bus and tram routes.
-
E.
Racławicka metro station
Racławicka metro station is an underground station on Line M1 of the Warsaw Metro serving the Mokotów district of Poland’s capital.
- 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 Metro Line M2 Target entity description: Warsaw Metro Line M2 is the east–west rapid transit line of the Warsaw Metro system, serving key districts on both sides of the Vistula River in Poland’s capital.
-
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.
M1 line of Warsaw Metro
The M1 line of the Warsaw Metro is the city’s first north–south rapid transit line, connecting key residential districts with the central area of Warsaw.
-
C.
Pole Mokotowskie metro station
Pole Mokotowskie metro station is an underground station on Line M1 of the Warsaw Metro serving the Mokotów and Ochota districts near the Pole Mokotowskie park.
-
D.
Wilanowska metro station
Wilanowska metro station is a key underground transit stop in Warsaw, Poland, serving the city’s metro network and connecting to surrounding bus and tram routes.
-
E.
Racławicka metro station
Racławicka metro station is an underground station on Line M1 of the Warsaw Metro serving the Mokotów district of Poland’s capital.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
rapid transit line ⓘ |
| accessibility | step-free access at all stations ⓘ |
| cityServed | Warsaw NERFINISHED ⓘ |
| constructionBegan | 2010 ⓘ |
| country | Poland ⓘ |
| crosses | Vistula River NERFINISHED ⓘ |
| direction | east–west ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareSystem | ZTM Warsaw integrated tariff ⓘ |
| hasFeature |
air-conditioned trains
ⓘ
electronic passenger information displays ⓘ underground alignment ⓘ |
| hasStation |
Centrum Nauki Kopernik
NERFINISHED
ⓘ
Dworzec Wileński NERFINISHED ⓘ Nowy Świat – Uniwersytet NERFINISHED ⓘ Rondo Daszyńskiego NERFINISHED ⓘ Rondo ONZ NERFINISHED ⓘ Stadion Narodowy NERFINISHED ⓘ Świętokrzyska NERFINISHED ⓘ |
| hasTerminus |
Dworzec Wileński
NERFINISHED
ⓘ
Rondo Daszyńskiego NERFINISHED ⓘ |
| interchangeWith | Warsaw Metro Line M1 at Świętokrzyska NERFINISHED ⓘ |
| lineColor | green ⓘ |
| lineNumber | M2 NERFINISHED ⓘ |
| locatedIn |
Poland
ⓘ
Warsaw ⓘ |
| numberOfTracks | 2 ⓘ |
| opened | 2015 ⓘ |
| openingEvent | initial central section opened 2015 ⓘ |
| operator | Metro Warszawskie NERFINISHED ⓘ |
| owner | City of Warsaw NERFINISHED ⓘ |
| partOf | Warsaw Metro NERFINISHED ⓘ |
| platformType | island platforms ⓘ |
| rollingStock | Siemens Inspiro NERFINISHED ⓘ |
| safetySystem | automatic train protection ⓘ |
| servesBankOfRiver |
left bank of Vistula River
ⓘ
right bank of Vistula River ⓘ |
| servesDistrict |
Bemowo
NERFINISHED
ⓘ
Praga-Południe NERFINISHED ⓘ Praga-Północ NERFINISHED ⓘ Targówek NERFINISHED ⓘ Wola NERFINISHED ⓘ Śródmieście NERFINISHED ⓘ |
| system | Warsaw Metro NERFINISHED ⓘ |
| ticketing | compatible with Warsaw public transport tickets ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | rapid transit ⓘ |
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 Metro Line M2 Description of subject: Warsaw Metro Line M2 is the east–west rapid transit line of the Warsaw Metro system, serving key districts on both sides of the Vistula River in Poland’s capital.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Warsaw Metro Line 2