Pyongyang Metro
E133097
The Pyongyang Metro is North Korea’s heavily decorated, deep-level rapid transit system in the capital, known for its grand Soviet-style architecture and limited access for foreigners.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Pyongyang Metro canonical | 1 |
| Pyongyang Metro Administration Bureau | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1171466 — 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: Pyongyang Metro Context triple: [Pyongyang, hasMetroSystem, Pyongyang Metro]
-
A.
Seoul Metropolitan Subway
The Seoul Metropolitan Subway is an extensive rapid transit network serving Seoul and its surrounding metropolitan area, known for its high efficiency, cleanliness, and technological sophistication.
-
B.
Busan Metro
Busan Metro is the rapid transit system serving the city of Busan, South Korea, providing extensive urban and suburban rail transportation across the metropolitan area.
-
C.
Korean King Sejong Station
Korean King Sejong Station is a South Korean Antarctic research base on King George Island that supports scientific studies in fields such as glaciology, meteorology, and marine biology.
-
D.
Beijing Subway
The Beijing Subway is one of the world’s largest and busiest rapid transit systems, forming the backbone of public transportation in China’s capital city.
-
E.
Hanwa Line
The Hanwa Line is a major railway line in Japan’s Kansai region operated by JR West, connecting central Osaka with southern Osaka Prefecture and Wakayama.
- 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: Pyongyang Metro Target entity description: The Pyongyang Metro is North Korea’s heavily decorated, deep-level rapid transit system in the capital, known for its grand Soviet-style architecture and limited access for foreigners.
-
A.
Seoul Metropolitan Subway
The Seoul Metropolitan Subway is an extensive rapid transit network serving Seoul and its surrounding metropolitan area, known for its high efficiency, cleanliness, and technological sophistication.
-
B.
Busan Metro
Busan Metro is the rapid transit system serving the city of Busan, South Korea, providing extensive urban and suburban rail transportation across the metropolitan area.
-
C.
Korean King Sejong Station
Korean King Sejong Station is a South Korean Antarctic research base on King George Island that supports scientific studies in fields such as glaciology, meteorology, and marine biology.
-
D.
Beijing Subway
The Beijing Subway is one of the world’s largest and busiest rapid transit systems, forming the backbone of public transportation in China’s capital city.
-
E.
Hanwa Line
The Hanwa Line is a major railway line in Japan’s Kansai region operated by JR West, connecting central Osaka with southern Osaka Prefecture and Wakayama.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
metro system
ⓘ
public transport infrastructure ⓘ rapid transit system ⓘ |
| accessPolicyForForeigners | restricted ⓘ |
| architecturalStyle |
Soviet-style
ⓘ
socialist realist ⓘ |
| characteristic |
deep-level
ⓘ
heavily decorated stations ⓘ |
| constructionStartDate | 1968 ⓘ |
| country | North Korea ⓘ |
| depthBelowSurface | up to about 100 meters ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareSystem | flat fare ⓘ |
| feature |
chandeliers
ⓘ
marble columns ⓘ mosaics ⓘ murals ⓘ propaganda artwork ⓘ |
| function | urban mass transit ⓘ |
| hasLine |
Chollima Line
ⓘ
Hyoksin Line ⓘ |
| hasSecondaryFunction | nuclear blast shelter ⓘ |
| hasStation |
Chonu Station
ⓘ
Hwanggumbol Station ⓘ Jonu Station ⓘ Kaeson Station ⓘ Konsol Station ⓘ Kwangbok Station ⓘ Kwangmyong Station ⓘ Puhung Station ⓘ Pulgunbyol Station ⓘ Rakwon Station ⓘ Samhung Station ⓘ Tongil Station ⓘ Yonggwang Station ⓘ |
| locatedIn |
Pyongyang
ⓘ
capital of North Korea ⓘ |
| numberOfLines | 2 ⓘ |
| numberOfStations | approximately 17 ⓘ |
| openingDate | 1973 ⓘ |
| operator |
Pyongyang Metro
self-linksurface differs
ⓘ
surface form:
Pyongyang Metro Administration Bureau
|
| owner |
North Korean government
ⓘ
surface form:
Government of North Korea
|
| primaryLanguageOfSignage | Korean ⓘ |
| safetyFeature | blast doors at station entrances ⓘ |
| serves | Pyongyang ⓘ |
| systemLength | approximately 22 km ⓘ |
| ticketing | paper tickets ⓘ |
| trackGauge | standard gauge ⓘ |
| usesRollingStock | refurbished German-built trains ⓘ |
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: Pyongyang Metro Description of subject: The Pyongyang Metro is North Korea’s heavily decorated, deep-level rapid transit system in the capital, known for its grand Soviet-style architecture and limited access for foreigners.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pyongyang Metro Administration Bureau