Changsha Metro Line 6
E626741
Changsha Metro Line 6 is a rapid transit line in Changsha, China, that provides urban rail service including a direct link to Changsha Huanghua International Airport.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Changsha Metro Line 6 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6894704 — 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: Changsha Metro Line 6 Context triple: [Changsha Huanghua International Airport, connectedBy, Changsha Metro Line 6]
-
A.
Changsha Metro
Changsha Metro is the rapid transit system serving Changsha, the capital of Hunan Province in China, providing urban rail transportation across the city and its suburbs.
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B.
Wuhan Metro Line 6
Wuhan Metro Line 6 is a rapid transit line in Wuhan, China, forming part of the city's urban subway network and serving key districts across the metropolis.
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C.
Guangzhou Metro Line 7
Guangzhou Metro Line 7 is a rapid transit line in Guangzhou’s metro system that connects key southern districts and transport hubs, including Guangzhou South Railway Station.
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D.
Guangzhou Metro Line 22
Guangzhou Metro Line 22 is a high-speed rapid transit line in Guangzhou designed to provide fast regional connections between major transport hubs and urban districts.
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E.
Guangzhou Metro Line 5
Guangzhou Metro Line 5 is a major east–west rapid transit line in Guangzhou’s metro system, connecting key urban districts and serving as an important high-capacity commuter corridor.
- 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: Changsha Metro Line 6 Target entity description: Changsha Metro Line 6 is a rapid transit line in Changsha, China, that provides urban rail service including a direct link to Changsha Huanghua International Airport.
-
A.
Changsha Metro
Changsha Metro is the rapid transit system serving Changsha, the capital of Hunan Province in China, providing urban rail transportation across the city and its suburbs.
-
B.
Wuhan Metro Line 6
Wuhan Metro Line 6 is a rapid transit line in Wuhan, China, forming part of the city's urban subway network and serving key districts across the metropolis.
-
C.
Guangzhou Metro Line 7
Guangzhou Metro Line 7 is a rapid transit line in Guangzhou’s metro system that connects key southern districts and transport hubs, including Guangzhou South Railway Station.
-
D.
Guangzhou Metro Line 22
Guangzhou Metro Line 22 is a high-speed rapid transit line in Guangzhou designed to provide fast regional connections between major transport hubs and urban districts.
-
E.
Guangzhou Metro Line 5
Guangzhou Metro Line 5 is a major east–west rapid transit line in Guangzhou’s metro system, connecting key urban districts and serving as an important high-capacity commuter corridor.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | rapid transit line ⓘ |
| cityServed | Changsha NERFINISHED ⓘ |
| continent | Asia ⓘ |
| country | China ⓘ |
| electrification |
1500 V DC
ⓘ
overhead line ⓘ |
| gauge | standard gauge ⓘ |
| hasConnection | Changsha Huanghua International Airport NERFINISHED ⓘ |
| hasFunction |
airport rail link
ⓘ
urban mass transit ⓘ |
| hasStation | Changsha Huanghua International Airport station NERFINISHED ⓘ |
| isInService | true ⓘ |
| locatedIn |
Changsha
NERFINISHED
ⓘ
China ⓘ Hunan Province NERFINISHED ⓘ |
| numberOfTracks | 2 ⓘ |
| operator | Changsha Metro Group NERFINISHED ⓘ |
| partOfNetwork | Changsha Metro NERFINISHED ⓘ |
| providesDirectLinkTo | Changsha Huanghua International Airport NERFINISHED ⓘ |
| publicTransportMode | rail ⓘ |
| regionServed | Changsha urban area NERFINISHED ⓘ |
| serviceType | urban rail transit ⓘ |
| system | Changsha Metro NERFINISHED ⓘ |
| terminus | Changsha Huanghua International Airport NERFINISHED ⓘ |
| transitType | rapid transit ⓘ |
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: Changsha Metro Line 6 Description of subject: Changsha Metro Line 6 is a rapid transit line in Changsha, China, that provides urban rail service including a direct link to Changsha Huanghua International Airport.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.