Changchun Rail Transit
E641203
Changchun Rail Transit is the urban rapid transit system serving Changchun, China, comprising multiple metro and light rail lines that connect key districts across the city.
All labels observed (9)
How this entity was disambiguated
This entity first appeared as the object of triple T7080943 — 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: Changchun Rail Transit Context triple: [Changchun, hasMetro, Changchun Rail Transit]
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A.
Shenyang Metro
Shenyang Metro is the rapid transit system serving the city of Shenyang, China, providing urban rail transportation across multiple lines and key hubs.
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B.
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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C.
Jinan Metro
Jinan Metro is the rapid transit system serving the city of Jinan, providing urban rail transportation across the provincial capital of Shandong, China.
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D.
Tianjin Metro
Tianjin Metro is the rapid transit system serving the city of Tianjin, China, providing urban and suburban rail transportation across the municipality.
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E.
Nanchang Metro
Nanchang Metro is the rapid transit system serving the city of Nanchang in Jiangxi Province, China.
- 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: Changchun Rail Transit Target entity description: Changchun Rail Transit is the urban rapid transit system serving Changchun, China, comprising multiple metro and light rail lines that connect key districts across the city.
-
A.
Shenyang Metro
Shenyang Metro is the rapid transit system serving the city of Shenyang, China, providing urban rail transportation across multiple lines and key hubs.
-
B.
Wuhan Metro
Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.
-
C.
Jinan Metro
Jinan Metro is the rapid transit system serving the city of Jinan, providing urban rail transportation across the provincial capital of Shandong, China.
-
D.
Tianjin Metro
Tianjin Metro is the rapid transit system serving the city of Tianjin, China, providing urban and suburban rail transportation across the municipality.
-
E.
Nanchang Metro
Nanchang Metro is the rapid transit system serving the city of Nanchang in Jiangxi Province, China.
- F. None of above. chosen
Statements (50)
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: Changchun Rail Transit Description of subject: Changchun Rail Transit is the urban rapid transit system serving Changchun, China, comprising multiple metro and light rail lines that connect key districts across the city.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Changchun Rail Transit
linked to: Changchun Rail Transit
linked to: Changchun Rail Transit
linked to: Changchun Rail Transit
linked to: Changchun Rail Transit
linked to: Changchun Rail Transit
linked to: Changchun Rail Transit
linked to: Changchun Rail Transit