China Railway Chengdu Group
E693389
China Railway Chengdu Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in the southwest of China, including parts of Sichuan and Chongqing.
All labels observed (2)
| Label | Occurrences |
|---|---|
| China Railway Chengdu Group canonical | 2 |
| Chengdu Railway Bureau | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7782412 — 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: China Railway Chengdu Group Context triple: [Chongqing North Railway Station, railwayOperator, China Railway Chengdu Group]
-
A.
China Railway Beijing Group
China Railway Beijing Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services and infrastructure in the Beijing-Tianjin-Hebei area.
-
B.
China Railway Guangzhou Group
China Railway Guangzhou Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services across parts of southern China, including Guangdong, Hunan, and Hainan provinces.
-
C.
China Railway
China Railway is the state-owned national railway operator of China, responsible for managing and operating the country’s extensive rail network and services.
-
D.
China Railway Design Corporation
China Railway Design Corporation is a major Chinese engineering and consulting firm specializing in the planning and design of large-scale railway and transportation infrastructure projects.
-
E.
Ministry of Railways of the People’s Republic of China
The Ministry of Railways of the People’s Republic of China was the former government body responsible for nationwide railway planning, construction, and operation before its dissolution in 2013.
- 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: China Railway Chengdu Group Target entity description: China Railway Chengdu Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in the southwest of China, including parts of Sichuan and Chongqing.
-
A.
China Railway Beijing Group
China Railway Beijing Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services and infrastructure in the Beijing-Tianjin-Hebei area.
-
B.
China Railway Guangzhou Group
China Railway Guangzhou Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services across parts of southern China, including Guangdong, Hunan, and Hainan provinces.
-
C.
China Railway
China Railway is the state-owned national railway operator of China, responsible for managing and operating the country’s extensive rail network and services.
-
D.
China Railway Design Corporation
China Railway Design Corporation is a major Chinese engineering and consulting firm specializing in the planning and design of large-scale railway and transportation infrastructure projects.
-
E.
Ministry of Railways of the People’s Republic of China
The Ministry of Railways of the People’s Republic of China was the former government body responsible for nationwide railway planning, construction, and operation before its dissolution in 2013.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf | regional railway bureau ⓘ |
| country | China ⓘ |
| governingLaw | Chinese railway regulations ⓘ |
| headquartersLocation | Chengdu NERFINISHED ⓘ |
| headquartersRegion | Sichuan Province NERFINISHED ⓘ |
| industry | rail transport ⓘ |
| languageOfWorkOrName | Chinese ⓘ |
| locatedInTimeZone | China Standard Time ⓘ |
| maintains | railway infrastructure within its jurisdiction ⓘ |
| manages | railway stations within its jurisdiction ⓘ |
| operates |
conventional rail lines in Southwest China
ⓘ
high-speed rail lines in Southwest China ⓘ |
| operatesInCity |
Chengdu
NERFINISHED
ⓘ
Chongqing NERFINISHED ⓘ |
| parentOrganization | China State Railway Group NERFINISHED ⓘ |
| partOf | national railway network of China ⓘ |
| railwayAdministrationRegion | Chengdu Railway Administration Region NERFINISHED ⓘ |
| regulates | railway transportation safety within its jurisdiction ⓘ |
| responsibleFor |
operation of railway freight services in Southwest China
ⓘ
operation of railway passenger services in Southwest China ⓘ railway network management in Chongqing ⓘ railway network management in parts of Sichuan ⓘ |
| sector |
freight rail transport
ⓘ
passenger rail transport ⓘ |
| serviceArea |
Chongqing Municipality
NERFINISHED
ⓘ
Sichuan Province NERFINISHED ⓘ Southwest China NERFINISHED ⓘ |
| subsidiaryType | regional group company of China State Railway Group ⓘ |
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: China Railway Chengdu Group Description of subject: China Railway Chengdu Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in the southwest of China, including parts of Sichuan and Chongqing.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Chengdu Railway Bureau