Yerevan Metro
E470137
Yerevan Metro is the rapid transit system serving Armenia’s capital city, providing underground rail transportation across key urban areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Yerevan Metro canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4786671 — 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: Yerevan Metro Context triple: [Yerevan, hasMetroSystem, Yerevan Metro]
-
A.
Tbilisi Metro
Tbilisi Metro is the rapid transit system serving Georgia’s capital city, providing a primary backbone for urban public transportation.
-
B.
Baku Metro
Baku Metro is the rapid transit system serving Azerbaijan’s capital city, known for its Soviet-era architecture and role as a key component of Baku’s urban transportation network.
-
C.
Tbilisi funicular
The Tbilisi funicular is a historic hillside railway in Georgia’s capital that carries passengers between the city and the Mtatsminda plateau, offering panoramic views over Tbilisi.
-
D.
Tashkent Metro
Tashkent Metro is the rapid transit system serving Uzbekistan’s capital, notable for its Soviet-era architecture and ornately decorated underground stations.
-
E.
Almaty Metro
Almaty Metro is the rapid transit system serving Kazakhstan’s largest city, featuring underground lines that provide urban public transportation.
- 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: Yerevan Metro Target entity description: Yerevan Metro is the rapid transit system serving Armenia’s capital city, providing underground rail transportation across key urban areas.
-
A.
Tbilisi Metro
Tbilisi Metro is the rapid transit system serving Georgia’s capital city, providing a primary backbone for urban public transportation.
-
B.
Baku Metro
Baku Metro is the rapid transit system serving Azerbaijan’s capital city, known for its Soviet-era architecture and role as a key component of Baku’s urban transportation network.
-
C.
Tbilisi funicular
The Tbilisi funicular is a historic hillside railway in Georgia’s capital that carries passengers between the city and the Mtatsminda plateau, offering panoramic views over Tbilisi.
-
D.
Tashkent Metro
Tashkent Metro is the rapid transit system serving Uzbekistan’s capital, notable for its Soviet-era architecture and ornately decorated underground stations.
-
E.
Almaty Metro
Almaty Metro is the rapid transit system serving Kazakhstan’s largest city, featuring underground lines that provide urban public transportation.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
metro system
ⓘ
public transport system ⓘ rapid transit system ⓘ |
| connects |
northwestern Yerevan
ⓘ
southeastern Yerevan ⓘ |
| constructionStarted | 1972 ⓘ |
| country | Armenia NERFINISHED ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareSystem | flat fare ⓘ |
| hasDepot | Shengavit depot NERFINISHED ⓘ |
| hasFeature |
Soviet-era architectural design
ⓘ
deep-level stations ⓘ single-line network ⓘ |
| hasOfficialName | Karen Demirchyan Yerevan Metro NERFINISHED ⓘ |
| hasPlannedExtension | additional lines and stations in Yerevan ⓘ |
| hasStation |
Barekamutyun station
NERFINISHED
ⓘ
Charbakh station NERFINISHED ⓘ Garegin Nzhdeh Square station NERFINISHED ⓘ Gortsaranayin station NERFINISHED ⓘ Marshal Baghramyan station NERFINISHED ⓘ Republic Square station NERFINISHED ⓘ Sasuntsi Davit station NERFINISHED ⓘ Shengavit station NERFINISHED ⓘ Yeritasardakan station NERFINISHED ⓘ Zoravar Andranik station NERFINISHED ⓘ |
| hasStructureType |
elevated sections
ⓘ
surface ⓘ underground ⓘ |
| inception | 1981-03-07 ⓘ |
| isLocatedOn | Hrazdan River valley area ⓘ |
| languageOfName | Armenian ⓘ |
| locatedIn | Yerevan NERFINISHED ⓘ |
| namedAfter | Karen Demirchyan Yerevan Metro NERFINISHED ⓘ |
| numberOfLines | 1 ⓘ |
| numberOfStations | 10 ⓘ |
| openingDate | 1981-03-07 ⓘ |
| operator | Yerevan Metro CJSC NERFINISHED ⓘ |
| owner | Government of Armenia NERFINISHED ⓘ |
| partOf | public transport in Yerevan ⓘ |
| primaryFunction | urban passenger transport ⓘ |
| rollingStock | Soviet-built metro trains ⓘ |
| serves |
Yerevan
NERFINISHED
ⓘ
Yerevan urban area NERFINISHED ⓘ |
| systemLength | approximately 13.4 km ⓘ |
| terminusStation |
Barekamutyun station
NERFINISHED
ⓘ
Charbakh station NERFINISHED ⓘ Garegin Nzhdeh Square station NERFINISHED ⓘ |
| 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: Yerevan Metro Description of subject: Yerevan Metro is the rapid transit system serving Armenia’s capital city, providing underground rail transportation across key urban areas.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Yerevan