Hangzhou–Changsha High-Speed Railway
E685808
The Hangzhou–Changsha High-Speed Railway is a major high-speed rail corridor in China that connects the cities of Hangzhou and Changsha as part of the broader Shanghai–Kunming high-speed rail network.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Hangzhou–Changsha High-Speed Railway canonical | 1 |
| Hangzhou–Changsha high-speed railway | 1 |
| Hangzhou–Changsha railway | 1 |
| Shanghai–Kunming high-speed railway | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7700852 — 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: Hangzhou–Changsha High-Speed Railway Context triple: [Changsha South Railway Station, partOf, Hangzhou–Changsha High-Speed Railway]
-
A.
Shanghai–Hangzhou High-Speed Railway
The Shanghai–Hangzhou High-Speed Railway is a major high-speed rail corridor in eastern China that connects the cities of Shanghai and Hangzhou, significantly reducing travel time between these key economic hubs.
-
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.
-
C.
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.
-
D.
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.
-
E.
Beijing–Shanghai High-Speed Railway
The Beijing–Shanghai High-Speed Railway is a major high-speed rail corridor in China that connects the capital Beijing with the economic hub Shanghai, significantly reducing travel time between the two megacities.
- 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: Hangzhou–Changsha High-Speed Railway Target entity description: The Hangzhou–Changsha High-Speed Railway is a major high-speed rail corridor in China that connects the cities of Hangzhou and Changsha as part of the broader Shanghai–Kunming high-speed rail network.
-
A.
Shanghai–Hangzhou High-Speed Railway
The Shanghai–Hangzhou High-Speed Railway is a major high-speed rail corridor in eastern China that connects the cities of Shanghai and Hangzhou, significantly reducing travel time between these key economic hubs.
-
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.
-
C.
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.
-
D.
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.
-
E.
Beijing–Shanghai High-Speed Railway
The Beijing–Shanghai High-Speed Railway is a major high-speed rail corridor in China that connects the capital Beijing with the economic hub Shanghai, significantly reducing travel time between the two megacities.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | high-speed railway line ⓘ |
| connectsCity |
Changsha
NERFINISHED
ⓘ
Hangzhou NERFINISHED ⓘ |
| connectsProvince |
Hunan
NERFINISHED
ⓘ
Jiangxi NERFINISHED ⓘ Zhejiang NERFINISHED ⓘ |
| connectsRegion |
Central China
ⓘ
Yangtze River Delta NERFINISHED ⓘ |
| country | China ⓘ |
| electrification | overhead line ⓘ |
| endPoint | Changsha NERFINISHED ⓘ |
| isSegmentOf | Shanghai–Kunming passenger-dedicated line NERFINISHED ⓘ |
| locatedIn |
Hunan
NERFINISHED
ⓘ
Jiangxi NERFINISHED ⓘ Zhejiang NERFINISHED ⓘ |
| operator |
China Railway
NERFINISHED
ⓘ
China Railway Guangzhou Group NERFINISHED ⓘ China Railway Shanghai Group NERFINISHED ⓘ |
| partOf | Shanghai–Kunming high-speed railway NERFINISHED ⓘ |
| partOfCorridor | east–west China high-speed rail corridor NERFINISHED ⓘ |
| purpose |
intercity passenger transport
ⓘ
long-distance high-speed services ⓘ |
| railGauge | 1435 mm ⓘ |
| railSystem | China high-speed rail network ⓘ |
| railwayType | passenger-dedicated line ⓘ |
| startPoint | Hangzhou NERFINISHED ⓘ |
| status | operational ⓘ |
| trackGauge | standard gauge ⓘ |
| usesRollingStock | China Railway High-speed NERFINISHED ⓘ |
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: Hangzhou–Changsha High-Speed Railway Description of subject: The Hangzhou–Changsha High-Speed Railway is a major high-speed rail corridor in China that connects the cities of Hangzhou and Changsha as part of the broader Shanghai–Kunming high-speed rail network.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Shanghai–Kunming high-speed railway
this entity surface form:
Hangzhou–Changsha high-speed railway
this entity surface form:
Hangzhou–Changsha railway