Beijing Subway
E12220
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.
All labels observed (26)
How this entity was disambiguated
This entity first appeared as the object of triple T114447 — 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: Beijing Subway Context triple: [Beijing, hasMetroSystem, Beijing Subway]
-
A.
Wuhan Metro
Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.
-
B.
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.
-
C.
Beijing
Beijing is the capital city of China, a major political, cultural, and economic center known for its rich history and rapid modern development.
-
D.
Hankou Railway Station
Hankou Railway Station is one of the main passenger rail hubs in Wuhan, China, serving as a key node for regional and high-speed train services.
-
E.
Wuhan Railway Station
Wuhan Railway Station is a major modern high-speed rail hub in Wuhan, China, known for its large scale and distinctive, wave-like architectural design.
- 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: Beijing Subway Target entity description: 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.
-
A.
Wuhan Metro
Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.
-
B.
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.
-
C.
Beijing
Beijing is the capital city of China, a major political, cultural, and economic center known for its rich history and rapid modern development.
-
D.
Hankou Railway Station
Hankou Railway Station is one of the main passenger rail hubs in Wuhan, China, serving as a key node for regional and high-speed train services.
-
E.
Wuhan Railway Station
Wuhan Railway Station is a major modern high-speed rail hub in Wuhan, China, known for its large scale and distinctive, wave-like architectural design.
- F. None of above. chosen
Statements (84)
| Predicate | Object |
|---|---|
| instanceOf |
metro system
ⓘ
public transport network ⓘ rapid transit system ⓘ |
| characteristic |
one of the world’s busiest metro systems by ridership
ⓘ
one of the world’s largest metro systems by route length ⓘ |
| cityServed | Beijing ⓘ |
| country | China ⓘ |
| dailyRidership | millions of passengers ⓘ |
| electrification |
overhead line
ⓘ
third rail ⓘ |
| fareSystem | distance-based fare ⓘ |
| hasFeature |
air-conditioned rolling stock
ⓘ
at-grade sections ⓘ elevated sections ⓘ transfer stations between multiple lines ⓘ underground sections ⓘ |
| hasGauge | standard gauge ⓘ |
| hasLine |
Batong Line
ⓘ
Capital Airport Express ⓘ Beijing Subway self-linksurface differs ⓘ
surface form:
Changping Line
Daxing Airport Express ⓘ Beijing Subway self-linksurface differs ⓘ
surface form:
Daxing Line
Fangshan Line ⓘ Line 1 ⓘ Line 10 ⓘ Line 13 ⓘ Line 14 ⓘ Line 15 ⓘ Line 16 ⓘ Line 17 ⓘ Line 19 ⓘ Line 2 ⓘ Line 4 ⓘ Line 5 ⓘ Line 6 ⓘ Line 7 ⓘ Line 8 ⓘ Line 9 ⓘ S1 Line ⓘ Suburban Line ⓘ Xijiao Line ⓘ Yanfang Line ⓘ Yizhuang Line ⓘ |
| hasStation |
Beijing Railway Station
ⓘ
Beijing South Railway Station ⓘ Beijing Railway Station ⓘ
surface form:
Beijing West Railway Station
Dongzhimen station ⓘ Dongzhimen station ⓘ
surface form:
Dongzhimen transport hub
Fuxingmen station ⓘ Guomao station ⓘ Jianguomen station ⓘ National Library station ⓘ Olympic Green station ⓘ Pingguoyuan station ⓘ Dongzhimen station ⓘ
surface form:
Sanyuanqiao station
Sihui station ⓘ
surface form:
Sihui East station
Sihui station ⓘ Songjiazhuang station ⓘ Tiananmen East station ⓘ Tiananmen East station ⓘ
surface form:
Tiananmen West station
Wangfujing station ⓘ Xidan station ⓘ Xizhimen station ⓘ Zhichunlu station ⓘ |
| inception | 1969-10-01 ⓘ |
| languageOfSignage |
Chinese
ⓘ
English ⓘ |
| locatedIn | Beijing ⓘ |
| numberOfLines | more than 20 ⓘ |
| numberOfStations | over 400 ⓘ |
| openingDate | 1969-10-01 ⓘ |
| operator |
Beijing MTR Corporation Limited
ⓘ
Beijing Subway self-linksurface differs ⓘ
surface form:
Beijing Mass Transit Railway Operation Corporation Limited
|
| owner |
Beijing Municipal Commission of Transport
ⓘ
Beijing ⓘ
surface form:
Beijing Municipal Government
|
| regionServed |
Beijing-Tianjin-Hebei region
ⓘ
surface form:
Beijing metropolitan area
|
| safetyFeature | platform screen doors on most stations ⓘ |
| serves | Beijing ⓘ |
| servesAs | backbone of public transportation in Beijing ⓘ |
| systemLength | over 700 km ⓘ |
| ticketing |
Beijing Municipal Administration and Communication Card
ⓘ
QR code mobile payment ⓘ |
| ticketInspection | automatic fare collection gates ⓘ |
| timezone | China Standard Time ⓘ |
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: Beijing Subway Description of subject: 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.
Referenced by (203)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Beijing Subway stations