Chengdu water system
E915458
The Chengdu water system is an interconnected network of rivers, canals, and irrigation works that supports the city of Chengdu’s water supply, flood control, and transportation.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Chengdu urban canal network | 1 |
| Chengdu urban water system | 1 |
| Chengdu water system canonical | 1 |
| Outer Ring River (Chengdu) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11285472 — 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 water system Context triple: [Jin River, isPartOf, Chengdu water system]
-
A.
Dujiangyan City
Dujiangyan City is a county-level city in Sichuan Province, China, best known as the home of the ancient Dujiangyan Irrigation System, a UNESCO World Heritage Site.
-
B.
South–North Water Transfer Project
The South–North Water Transfer Project is a massive Chinese infrastructure initiative designed to divert water from the Yangtze River basin in the south to supply the more arid northern regions, including Beijing and Tianjin.
-
C.
Leshan
Leshan is a city in southwestern China best known for the UNESCO-listed Leshan Giant Buddha, a colossal stone statue carved into a cliff at the confluence of three rivers.
-
D.
Dujiangyan Irrigation System
Dujiangyan Irrigation System is an ancient Chinese water-management project built around the 3rd century BCE that still functions today, renowned for its innovative design that controls flooding and irrigates vast areas without using a traditional dam.
-
E.
Shanghai waterway network
The Shanghai waterway network is an extensive system of interconnected rivers, creeks, and canals that supports transportation, drainage, and urban life throughout the city of Shanghai.
- 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 water system Target entity description: The Chengdu water system is an interconnected network of rivers, canals, and irrigation works that supports the city of Chengdu’s water supply, flood control, and transportation.
-
A.
Dujiangyan City
Dujiangyan City is a county-level city in Sichuan Province, China, best known as the home of the ancient Dujiangyan Irrigation System, a UNESCO World Heritage Site.
-
B.
South–North Water Transfer Project
The South–North Water Transfer Project is a massive Chinese infrastructure initiative designed to divert water from the Yangtze River basin in the south to supply the more arid northern regions, including Beijing and Tianjin.
-
C.
Leshan
Leshan is a city in southwestern China best known for the UNESCO-listed Leshan Giant Buddha, a colossal stone statue carved into a cliff at the confluence of three rivers.
-
D.
Dujiangyan Irrigation System
Dujiangyan Irrigation System is an ancient Chinese water-management project built around the 3rd century BCE that still functions today, renowned for its innovative design that controls flooding and irrigates vast areas without using a traditional dam.
-
E.
Shanghai waterway network
The Shanghai waterway network is an extensive system of interconnected rivers, creeks, and canals that supports transportation, drainage, and urban life throughout the city of Shanghai.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
irrigation network
ⓘ
urban water system ⓘ water management system ⓘ |
| associatedWith |
Chengdu’s nickname "Land of Abundance"
ⓘ
linked to:
Chengdu
|
| climateContext | humid subtropical climate of Chengdu ⓘ |
| connectedTo | Yangtze River basin ⓘ |
| country | China ⓘ |
| developedFrom | ancient irrigation canals of Chengdu Plain ⓘ |
| feeds | Chengdu municipal water supply ⓘ |
| hasComponent |
Chengdu urban canal network
ⓘ
linked to:
Chengdu water system
Dujiangyan Irrigation System ⓘ Fu River ⓘ Inner Ring River (Chengdu) ⓘ Jin River NERFINISHED ⓘ Jing River (Chengdu) ⓘ
linked to:
Jin River (Chengdu)
Min River NERFINISHED ⓘ Moat system of Chengdu ⓘ Nan River ⓘ Outer Ring River (Chengdu) ⓘ
linked to:
Chengdu water system
Pihe River irrigation canals ⓘ Sha River NERFINISHED ⓘ |
| hasFunction |
diversion of river water into canals
ⓘ
groundwater recharge support ⓘ sediment control ⓘ |
| historicalBasis | Dujiangyan Irrigation System ⓘ |
| locatedIn |
Chengdu
ⓘ
Chengdu Plain ⓘ Sichuan Province ⓘ |
| managedBy |
Chengdu municipal authorities
ⓘ
linked to:
Chengdu Municipal People’s Government
Sichuan provincial water resources authorities ⓘ |
| primarySource | Min River NERFINISHED ⓘ |
| regulates |
runoff from Min River
ⓘ
urban flooding in Chengdu ⓘ |
| risk |
urban flooding during heavy rainfall
ⓘ
water pollution from urbanization ⓘ |
| serves |
Chengdu Plain agricultural region
ⓘ
linked to:
Chengdu Plain
Chengdu metropolitan area ⓘ
linked to:
Chengdu
|
| subjectOf |
studies on Dujiangyan-based irrigation networks
ⓘ
urban water management planning in Chengdu ⓘ |
| supports |
population of Chengdu
ⓘ
rice cultivation on Chengdu Plain ⓘ |
| usedFor |
agricultural production support
ⓘ
ecosystem services ⓘ flood control ⓘ inland water transport ⓘ irrigation ⓘ urban water supply ⓘ |
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 water system Description of subject: The Chengdu water system is an interconnected network of rivers, canals, and irrigation works that supports the city of Chengdu’s water supply, flood control, and transportation.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Chengdu water system
linked to: Chengdu water system
linked to: Chengdu water system