Shanghai Metro
E38822
Shanghai Metro is one of the world’s largest and busiest rapid transit systems, serving the city of Shanghai with an extensive network of urban and suburban rail lines.
All labels observed (9)
How this entity was disambiguated
This entity first appeared as the object of triple T276353 — 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: Shanghai Metro Context triple: [Shanghai, hasMetroSystem, Shanghai Metro]
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A.
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.
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B.
Guangzhou Metro
Guangzhou Metro is the rapid transit system serving Guangzhou, China, forming one of the country’s largest and busiest urban rail networks.
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C.
Wuhan Metro
Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.
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D.
Toei Subway
Toei Subway is one of Tokyo's two main subway networks, operated by the Tokyo Metropolitan Bureau of Transportation and serving numerous urban and suburban areas across the city.
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E.
Tokyo Metro
Tokyo Metro is one of the two main rapid transit operators in Tokyo, running an extensive network of subway lines that serve the city’s central and metropolitan areas.
- 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: Shanghai Metro Target entity description: Shanghai Metro is one of the world’s largest and busiest rapid transit systems, serving the city of Shanghai with an extensive network of urban and suburban rail lines.
-
A.
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.
-
B.
Guangzhou Metro
Guangzhou Metro is the rapid transit system serving Guangzhou, China, forming one of the country’s largest and busiest urban rail networks.
-
C.
Wuhan Metro
Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.
-
D.
Toei Subway
Toei Subway is one of Tokyo's two main subway networks, operated by the Tokyo Metropolitan Bureau of Transportation and serving numerous urban and suburban areas across the city.
-
E.
Tokyo Metro
Tokyo Metro is one of the two main rapid transit operators in Tokyo, running an extensive network of subway lines that serve the city’s central and metropolitan areas.
- F. None of above. chosen
Statements (59)
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: Shanghai Metro Description of subject: Shanghai Metro is one of the world’s largest and busiest rapid transit systems, serving the city of Shanghai with an extensive network of urban and suburban rail lines.
Referenced by (116)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Shanghai urban rail transit network
this entity surface form:
Shanghai Metro system
this entity surface form:
Shanghai Metro network
this entity surface form:
Shanghai Metro network
this entity surface form:
Shanghai Metro unified fare system
this entity surface form:
Shanghai urban rail transit network