Line M2 of the Warsaw Metro
E905812
Line M2 of the Warsaw Metro is the east–west rapid transit line in Warsaw, Poland, connecting key districts across the Vistula River as part of the city’s underground rail network.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Line M2 of the Warsaw Metro canonical | 2 |
| Line M2 of Warsaw Metro | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11111439 — 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: Line M2 of the Warsaw Metro Context triple: [Rondo ONZ metro station, partOf, Line M2 of the Warsaw Metro]
-
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.
Milan Metro Line 2
Milan Metro Line 2 is one of the main rapid transit lines in Milan, Italy, running in a predominantly northeast–southwest direction and serving key residential and commercial areas across the city.
-
C.
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.
-
D.
Milan Metro Line 3
Milan Metro Line 3 is a major north–south underground line of the Milan Metro system, connecting key railway hubs and central districts across the city.
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E.
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.
- 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: Line M2 of the Warsaw Metro Target entity description: Line M2 of the Warsaw Metro is the east–west rapid transit line in Warsaw, Poland, connecting key districts across the Vistula River as part of the city’s underground rail network.
-
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.
Milan Metro Line 2
Milan Metro Line 2 is one of the main rapid transit lines in Milan, Italy, running in a predominantly northeast–southwest direction and serving key residential and commercial areas across the city.
-
C.
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.
-
D.
Milan Metro Line 3
Milan Metro Line 3 is a major north–south underground line of the Milan Metro system, connecting key railway hubs and central districts across the city.
-
E.
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.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
rapid transit line ⓘ |
| cityServed | Warsaw NERFINISHED ⓘ |
| colorOnMap | green ⓘ |
| constructionStart | 2010 ⓘ |
| continent | Europe ⓘ |
| country | Poland ⓘ |
| crosses | Vistula River NERFINISHED ⓘ |
| direction | east–west ⓘ |
| electrification | third rail ⓘ |
| hasInterchange | Świętokrzyska metro station NERFINISHED ⓘ |
| hasStation |
Bemowo metro station
NERFINISHED
ⓘ
Bródno metro station NERFINISHED ⓘ Centrum Nauki Kopernik metro station NERFINISHED ⓘ Dworzec Wileński metro station NERFINISHED ⓘ Księcia Janusza metro station NERFINISHED ⓘ Młynów metro station NERFINISHED ⓘ Nowy Świat-Uniwersytet metro station NERFINISHED ⓘ Płocka metro station NERFINISHED ⓘ Rondo Daszyńskiego metro station NERFINISHED ⓘ Rondo ONZ metro station NERFINISHED ⓘ Stadion Narodowy metro station NERFINISHED ⓘ Targówek Mieszkaniowy metro station NERFINISHED ⓘ Trocka metro station NERFINISHED ⓘ Ulrychów metro station NERFINISHED ⓘ Świętokrzyska metro station NERFINISHED ⓘ |
| hasTerminus |
Dworzec Wileński metro station
NERFINISHED
ⓘ
Rondo Daszyńskiego metro station NERFINISHED ⓘ |
| interchangesWith | Line M1 of the Warsaw Metro NERFINISHED ⓘ |
| lineNumber | M2 NERFINISHED ⓘ |
| locale | Masovian Voivodeship NERFINISHED ⓘ |
| locatedIn |
Poland
ⓘ
Warsaw ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 2015-03-08 ⓘ |
| operator | Metro Warszawskie NERFINISHED ⓘ |
| partOf | Warsaw Metro NERFINISHED ⓘ |
| publicTransitType | metro ⓘ |
| servesDistrict |
Bemowo
NERFINISHED
ⓘ
Białołęka NERFINISHED ⓘ Praga-Północ NERFINISHED ⓘ Targówek NERFINISHED ⓘ Ursus NERFINISHED ⓘ Wola NERFINISHED ⓘ Włochy NERFINISHED ⓘ Śródmieście NERFINISHED ⓘ |
| system | Warsaw Metro NERFINISHED ⓘ |
| trackGauge |
1435 mm
ⓘ
standard gauge ⓘ |
| transportNetwork | Warsaw Metro NERFINISHED ⓘ |
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: Line M2 of the Warsaw Metro Description of subject: Line M2 of the Warsaw Metro is the east–west rapid transit line in Warsaw, Poland, connecting key districts across the Vistula River as part of the city’s underground rail network.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Line M2 of Warsaw Metro