middle reaches of the Yangtze River
E55872
The middle reaches of the Yangtze River are a broad, fertile section of central China’s Yangtze basin characterized by extensive plains, major lakes, and dense agricultural and urban development.
All labels observed (15)
How this entity was disambiguated
This entity first appeared as the object of triple T417523 — 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: middle reaches of the Yangtze River Context triple: [Jianghan Plain, partOf, middle reaches of the Yangtze River]
-
A.
Xiang River basin
The Xiang River basin is a major river system in southern China that drains much of Hunan Province and has long been a vital corridor for agriculture, transport, and regional culture.
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B.
Yangtze River Delta
The Yangtze River Delta is a highly urbanized and economically vital region in eastern China, centered around the lower reaches of the Yangtze River and including major cities such as Shanghai.
-
C.
Jianghan Plain
Jianghan Plain is a fertile alluvial plain in central China formed by the Yangtze and Han rivers, known as an important agricultural and densely populated region.
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D.
Yangtze River
The Yangtze River is the longest river in Asia and a crucial waterway in China, supporting major cities, transportation, agriculture, and hydroelectric power.
-
E.
Yangtze River Economic Belt
The Yangtze River Economic Belt is a major national development corridor in China that integrates key cities and provinces along the Yangtze River to promote coordinated economic growth, industrial upgrading, and environmental protection.
- 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: middle reaches of the Yangtze River Target entity description: The middle reaches of the Yangtze River are a broad, fertile section of central China’s Yangtze basin characterized by extensive plains, major lakes, and dense agricultural and urban development.
-
A.
Xiang River basin
The Xiang River basin is a major river system in southern China that drains much of Hunan Province and has long been a vital corridor for agriculture, transport, and regional culture.
-
B.
Yangtze River Delta
The Yangtze River Delta is a highly urbanized and economically vital region in eastern China, centered around the lower reaches of the Yangtze River and including major cities such as Shanghai.
-
C.
Jianghan Plain
Jianghan Plain is a fertile alluvial plain in central China formed by the Yangtze and Han rivers, known as an important agricultural and densely populated region.
-
D.
Yangtze River
The Yangtze River is the longest river in Asia and a crucial waterway in China, supporting major cities, transportation, agriculture, and hydroelectric power.
-
E.
Yangtze River Economic Belt
The Yangtze River Economic Belt is a major national development corridor in China that integrates key cities and provinces along the Yangtze River to promote coordinated economic growth, industrial upgrading, and environmental protection.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
geographical region
ⓘ
river reach ⓘ |
| adjacentTo |
Dongting Lake Plain
ⓘ
Jianghan Plain ⓘ Poyang Lake Plain ⓘ |
| characterizedBy |
broad alluvial plains
ⓘ
dense agricultural development ⓘ dense urban development ⓘ fertile floodplains ⓘ |
| climate | humid subtropical climate ⓘ |
| contains |
extensive wetlands
ⓘ
large river-lake network ⓘ numerous tributaries ⓘ |
| economicRole |
important industrial corridor
ⓘ
key inland shipping route ⓘ major grain production base of China ⓘ |
| environmentalIssue |
flood risk
ⓘ
water pollution ⓘ wetland degradation ⓘ |
| flowsThrough |
Hubei Province
ⓘ
Hunan Province ⓘ Jiangxi Province ⓘ |
| hasMajorCityOnBanks |
Ezhou
ⓘ
Huangshi ⓘ Jiujiang ⓘ Wuhan ⓘ Yichang ⓘ Yueyang ⓘ |
| hasMajorLake |
Lake Dongting
ⓘ
surface form:
Dongting Lake
Hong Lake ⓘ Poyang Lake ⓘ |
| hasSection | Jingjiang River ⓘ |
| hasTributary |
Gan River
ⓘ
Han River ⓘ Xiang River basin ⓘ
surface form:
Xiang River
Yuan River ⓘ Zi River ⓘ |
| hydrologicalRole | flood regulation zone of the Yangtze River ⓘ |
| linkedByTransport |
Yangtze River
ⓘ
surface form:
Yangtze River waterway
railway corridors of central China ⓘ |
| locatedIn |
China
ⓘ
Yangtze River ⓘ
surface form:
Yangtze River basin
central China ⓘ |
| majorCrop |
cotton
ⓘ
rapeseed ⓘ rice ⓘ |
| partOf |
Yangtze River
ⓘ
middle and lower Yangtze Plain ⓘ |
| subjectTo |
monsoon rainfall
ⓘ
seasonal flooding ⓘ |
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: middle reaches of the Yangtze River Description of subject: The middle reaches of the Yangtze River are a broad, fertile section of central China’s Yangtze basin characterized by extensive plains, major lakes, and dense agricultural and urban development.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Middle Reaches of the Yangtze River
subject surface form:
Wuhan
this entity surface form:
Middle Reaches of the Yangtze River
this entity surface form:
Yangtze middle reaches
this entity surface form:
Middle reaches of the Yangtze River
this entity surface form:
middle Yangtze River basin
this entity surface form:
Middle reaches of the Yangtze River
this entity surface form:
Middle Yangtze region
this entity surface form:
Middle Yangtze floodplain
this entity surface form:
middle Yangtze River valley
this entity surface form:
Middle Yangtze region
this entity surface form:
Middle reaches of Yangtze River valley
this entity surface form:
Middle reaches of the Yangtze River
this entity surface form:
Middle Reaches of Yangtze River
this entity surface form:
middle reaches of the Yangtze River region
this entity surface form:
middle Yangtze Plain
this entity surface form:
Yangtze River middle reaches