Nizhny Novgorod Metro
E815803
The Nizhny Novgorod Metro is a rapid transit system serving the city of Nizhny Novgorod, Russia, providing urban rail transportation across several lines and stations.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nizhny Novgorod Metro canonical | 4 |
| Nizhny Novgorod Metro system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9499356 — 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: Nizhny Novgorod Metro Context triple: [81-717/714 series, usedIn, Nizhny Novgorod Metro]
-
A.
Saint Petersburg Metro
The Saint Petersburg Metro is a major rapid transit system in Saint Petersburg, Russia, renowned for its deep underground stations and ornate, palace-like architecture.
-
B.
Novosibirsk Metro
Novosibirsk Metro is a rapid transit system in Novosibirsk, Russia, serving as a key component of the city's public transportation network with several lines and stations across the urban area.
-
C.
Volgograd Metrotram
The Volgograd Metrotram is a hybrid light rail and underground tram system in Volgograd, Russia, providing rapid transit-style service along a dedicated north–south corridor through the city.
-
D.
Moscow Metro
The Moscow Metro is a major rapid transit system in Moscow renowned for its extensive network, high passenger capacity, and ornately decorated stations often likened to underground palaces.
-
E.
Nizhegorodskaya metro station
Nizhegorodskaya metro station is a Moscow Metro interchange hub serving the city’s southeastern districts and providing connections between multiple lines and suburban rail services.
- 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: Nizhny Novgorod Metro Target entity description: The Nizhny Novgorod Metro is a rapid transit system serving the city of Nizhny Novgorod, Russia, providing urban rail transportation across several lines and stations.
-
A.
Saint Petersburg Metro
The Saint Petersburg Metro is a major rapid transit system in Saint Petersburg, Russia, renowned for its deep underground stations and ornate, palace-like architecture.
-
B.
Novosibirsk Metro
Novosibirsk Metro is a rapid transit system in Novosibirsk, Russia, serving as a key component of the city's public transportation network with several lines and stations across the urban area.
-
C.
Volgograd Metrotram
The Volgograd Metrotram is a hybrid light rail and underground tram system in Volgograd, Russia, providing rapid transit-style service along a dedicated north–south corridor through the city.
-
D.
Moscow Metro
The Moscow Metro is a major rapid transit system in Moscow renowned for its extensive network, high passenger capacity, and ornately decorated stations often likened to underground palaces.
-
E.
Nizhegorodskaya metro station
Nizhegorodskaya metro station is a Moscow Metro interchange hub serving the city’s southeastern districts and providing connections between multiple lines and suburban rail services.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
metro system
ⓘ
rapid transit system ⓘ |
| connectsDistrict |
Avtozavodsky District
NERFINISHED
ⓘ
Kanavinsky District NERFINISHED ⓘ Nizhegorodsky District NERFINISHED ⓘ Sormovsky District NERFINISHED ⓘ |
| continent |
Asia
ⓘ
Europe ⓘ |
| country | Russia ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareSystem | flat fare ⓘ |
| hasDepot | Avtozavodskoye depot NERFINISHED ⓘ |
| hasInterchangeStation | Moskovskaya NERFINISHED ⓘ |
| hasLine |
Avtozavodskaya Line
NERFINISHED
ⓘ
Sormovskaya Line NERFINISHED ⓘ |
| hasStation |
Avtozavodskaya
NERFINISHED
ⓘ
Burevestnik NERFINISHED ⓘ Burnakovskaya NERFINISHED ⓘ Chkalovskaya NERFINISHED ⓘ Dvigatel Revolyutsii NERFINISHED ⓘ Gorkovskaya NERFINISHED ⓘ Kanavinskaya NERFINISHED ⓘ Komsomolskaya NERFINISHED ⓘ Lenin Square NERFINISHED ⓘ Leninskaya NERFINISHED ⓘ Moskovskaya NERFINISHED ⓘ Proletarskaya NERFINISHED ⓘ Strelka NERFINISHED ⓘ |
| hasStructureType |
elevated
ⓘ
surface ⓘ underground ⓘ |
| languageOfOfficialName | Russian ⓘ |
| locatedIn |
Nizhny Novgorod
NERFINISHED
ⓘ
Nizhny Novgorod Oblast NERFINISHED ⓘ Volga Federal District NERFINISHED ⓘ |
| numberOfLines | 2 ⓘ |
| numberOfStations | 13 ⓘ |
| officialName | Нижегородский метрополитен ⓘ |
| openingDate | 1985-11-20 ⓘ |
| operator | Nizhny Novgorod Metro State Unitary Enterprise NERFINISHED ⓘ |
| owner | City of Nizhny Novgorod NERFINISHED ⓘ |
| partOf | public transport network of Nizhny Novgorod ⓘ |
| primaryRollingStockType | Soviet/Russian metro cars of 81-717/714 family and derivatives ⓘ |
| serves | urban public transport in Nizhny Novgorod ⓘ |
| servesPopulation | residents of Nizhny Novgorod ⓘ |
| systemLength | approximately 21 km ⓘ |
| ticketMedia |
contactless smart cards
ⓘ
paper tokens or single-use tickets ⓘ |
| trackGauge | 1520 mm ⓘ |
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: Nizhny Novgorod Metro Description of subject: The Nizhny Novgorod Metro is a rapid transit system serving the city of Nizhny Novgorod, Russia, providing urban rail transportation across several lines and stations.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Nizhny Novgorod Metro system