Shanghai–Nanjing intercity railway
E220730
The Shanghai–Nanjing intercity railway is a high-speed rail line in eastern China that connects Shanghai with Nanjing, significantly reducing travel time between major cities in the Yangtze River Delta region.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T1898083 — 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–Nanjing intercity railway Context triple: [Shanghai Railway Station, servedByRailwayLine, Shanghai–Nanjing intercity railway]
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A.
Beijing–Guangzhou High-Speed Railway
The Beijing–Guangzhou High-Speed Railway is one of China’s longest and busiest high-speed rail corridors, linking the capital Beijing with the southern metropolis Guangzhou and serving major cities along the route.
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B.
Shanghai–Wuhan–Chengdu High-Speed Railway
The Shanghai–Wuhan–Chengdu High-Speed Railway is a major east–west high-speed rail corridor in China that links the coastal metropolis of Shanghai with central and western hubs including Wuhan and Chengdu.
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C.
Beijing–Shanghai railway
The Beijing–Shanghai railway is one of China’s most important conventional rail lines, connecting the capital Beijing with the major economic hub of Shanghai and serving numerous key cities along its route.
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D.
Wuhan–Guangzhou High-Speed Railway
The Wuhan–Guangzhou High-Speed Railway is a major Chinese high-speed rail corridor linking central and southern China as part of the Beijing–Guangzhou HSR route, significantly reducing travel times between Wuhan and Guangzhou.
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E.
Shanghai–Kunming railway
The Shanghai–Kunming railway is a major east–west trunk line in China that connects the coastal metropolis of Shanghai with the southwestern city of Kunming, traversing several key provinces and economic regions.
- 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–Nanjing intercity railway Target entity description: The Shanghai–Nanjing intercity railway is a high-speed rail line in eastern China that connects Shanghai with Nanjing, significantly reducing travel time between major cities in the Yangtze River Delta region.
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A.
Beijing–Guangzhou High-Speed Railway
The Beijing–Guangzhou High-Speed Railway is one of China’s longest and busiest high-speed rail corridors, linking the capital Beijing with the southern metropolis Guangzhou and serving major cities along the route.
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B.
Shanghai–Wuhan–Chengdu High-Speed Railway
The Shanghai–Wuhan–Chengdu High-Speed Railway is a major east–west high-speed rail corridor in China that links the coastal metropolis of Shanghai with central and western hubs including Wuhan and Chengdu.
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C.
Beijing–Shanghai railway
The Beijing–Shanghai railway is one of China’s most important conventional rail lines, connecting the capital Beijing with the major economic hub of Shanghai and serving numerous key cities along its route.
-
D.
Wuhan–Guangzhou High-Speed Railway
The Wuhan–Guangzhou High-Speed Railway is a major Chinese high-speed rail corridor linking central and southern China as part of the Beijing–Guangzhou HSR route, significantly reducing travel times between Wuhan and Guangzhou.
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E.
Shanghai–Kunming railway
The Shanghai–Kunming railway is a major east–west trunk line in China that connects the coastal metropolis of Shanghai with the southwestern city of Kunming, traversing several key provinces and economic regions.
- F. None of above. chosen
Statements (47)
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–Nanjing intercity railway Description of subject: The Shanghai–Nanjing intercity railway is a high-speed rail line in eastern China that connects Shanghai with Nanjing, significantly reducing travel time between major cities in the Yangtze River Delta region.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Shanghai–Nanjing Intercity High-Speed Railway
Shanghai–Nanjing intercity railway
→
parallelTo
→
Shanghai–Nanjing intercity railway
self-linksurface differs
ⓘ
this entity surface form:
Shanghai–Nanjing section of Beijing–Shanghai high-speed railway
this entity surface form:
Shanghai–Nanjing Intercity Railway
this entity surface form:
Shanghai–Nanjing Intercity High-Speed Railway
this entity surface form:
Shanghai–Nanjing Intercity Railway
this entity surface form:
Shanghai–Nanjing Intercity Railway
this entity surface form:
Shanghai–Nanjing corridor
this entity surface form:
Shanghai–Nanjing Intercity Railway
this entity surface form:
Shanghai–Nanjing Intercity High-Speed Railway
this entity surface form:
Nanjing–Shanghai section of Jinghu HSR