Chengdu–Chongqing Railway
E693388
The Chengdu–Chongqing Railway is a major trunk rail line in southwestern China that connects the cities of Chengdu and Chongqing, serving as a key corridor for regional passenger and freight transport.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Chengdu–Chongqing Railway canonical | 2 |
| Chengdu–Chongqing railway | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7782406 — 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: Chengdu–Chongqing Railway Context triple: [Chongqing North Railway Station, partOf, Chengdu–Chongqing Railway]
-
A.
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.
-
B.
Yichang–Wanzhou Railway
The Yichang–Wanzhou Railway is a major mountainous rail line in central China known for its numerous bridges and tunnels that dramatically shorten travel time between Hubei and Chongqing.
-
C.
Xi'an–Yan'an Railway
The Xi'an–Yan'an Railway is a major rail line in China's Shaanxi province that connects the provincial capital Xi'an with the historically significant city of Yan'an, facilitating regional transport and economic development.
-
D.
Wuhan–Yichang Railway
The Wuhan–Yichang Railway is a major rail line in Hubei Province, China, connecting the provincial capital Wuhan with the city of Yichang and forming an important corridor for regional passenger and freight transport.
-
E.
Beijing–Guangzhou Railway
The Beijing–Guangzhou Railway is one of China’s longest and most important north–south trunk rail lines, connecting the capital Beijing with the major southern metropolis of Guangzhou and serving numerous key cities along its route.
- 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: Chengdu–Chongqing Railway Target entity description: The Chengdu–Chongqing Railway is a major trunk rail line in southwestern China that connects the cities of Chengdu and Chongqing, serving as a key corridor for regional passenger and freight transport.
-
A.
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.
-
B.
Yichang–Wanzhou Railway
The Yichang–Wanzhou Railway is a major mountainous rail line in central China known for its numerous bridges and tunnels that dramatically shorten travel time between Hubei and Chongqing.
-
C.
Xi'an–Yan'an Railway
The Xi'an–Yan'an Railway is a major rail line in China's Shaanxi province that connects the provincial capital Xi'an with the historically significant city of Yan'an, facilitating regional transport and economic development.
-
D.
Wuhan–Yichang Railway
The Wuhan–Yichang Railway is a major rail line in Hubei Province, China, connecting the provincial capital Wuhan with the city of Yichang and forming an important corridor for regional passenger and freight transport.
-
E.
Beijing–Guangzhou Railway
The Beijing–Guangzhou Railway is one of China’s longest and most important north–south trunk rail lines, connecting the capital Beijing with the major southern metropolis of Guangzhou and serving numerous key cities along its route.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf | railway line ⓘ |
| connects |
Chengdu
ⓘ
Chongqing ⓘ |
| country | China ⓘ |
| electrification | electrified ⓘ |
| function | links Chengdu and Chongqing by rail ⓘ |
| gauge | standard gauge ⓘ |
| hasTerminusCity |
Chengdu
ⓘ
Chongqing ⓘ |
| importance | key corridor for regional economic integration ⓘ |
| languageOfName | Chinese ⓘ |
| locatedIn |
Southwestern China
ⓘ
linked to:
Southwest China
|
| locatedInTimeZone | China Standard Time ⓘ |
| partOf | railway network of China ⓘ |
| primaryUse |
freight transport
ⓘ
passenger transport ⓘ |
| regionServed |
Chengdu metropolitan area
ⓘ
linked to:
Chengdu
Chongqing Municipality ⓘ
linked to:
Chongqing
Chongqing metropolitan area ⓘ
linked to:
Chongqing
Sichuan Province ⓘ |
| role | major transport corridor in southwestern China ⓘ |
| terminus |
Chengdu
ⓘ
Chongqing ⓘ |
| trackConfiguration | double-track ⓘ |
| transportMode | rail ⓘ |
| usedFor |
regional freight services
ⓘ
regional passenger services ⓘ |
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: Chengdu–Chongqing Railway Description of subject: The Chengdu–Chongqing Railway is a major trunk rail line in southwestern China that connects the cities of Chengdu and Chongqing, serving as a key corridor for regional passenger and freight transport.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Chengdu–Chongqing Railway