Grand Canal of China
E101060
The Grand Canal of China is an ancient, extensive man-made waterway system that historically linked northern and southern China, facilitating trade, transport, and economic integration for over a millennium.
All labels observed (9)
How this entity was disambiguated
This entity first appeared as the object of triple T856453 — 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: Grand Canal of China Context triple: [Huai River, associatedWithCanal, Grand Canal of China]
-
A.
Emperor’s Canal
Emperor’s Canal is one of Amsterdam’s main historic canals, renowned for its elegant 17th-century canal houses and central role in the city’s UNESCO-listed canal belt.
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B.
Gezhouba Dam
Gezhouba Dam is a large hydroelectric gravity dam in Yichang, Hubei, China, notable as the first major dam built on the Yangtze River and an important source of power generation and river navigation control.
-
C.
Huai River
The Huai River is a major river in eastern China that historically served as a key geographical and cultural boundary between northern and southern China.
-
D.
Yellow River
The Yellow River is the second-longest river in China, historically known as the cradle of Chinese civilization and notorious for its devastating floods and heavy silt load.
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E.
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.
- 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: Grand Canal of China Target entity description: The Grand Canal of China is an ancient, extensive man-made waterway system that historically linked northern and southern China, facilitating trade, transport, and economic integration for over a millennium.
-
A.
Emperor’s Canal
Emperor’s Canal is one of Amsterdam’s main historic canals, renowned for its elegant 17th-century canal houses and central role in the city’s UNESCO-listed canal belt.
-
B.
Gezhouba Dam
Gezhouba Dam is a large hydroelectric gravity dam in Yichang, Hubei, China, notable as the first major dam built on the Yangtze River and an important source of power generation and river navigation control.
-
C.
Huai River
The Huai River is a major river in eastern China that historically served as a key geographical and cultural boundary between northern and southern China.
-
D.
Yellow River
The Yellow River is the second-longest river in China, historically known as the cradle of Chinese civilization and notorious for its devastating floods and heavy silt load.
-
E.
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.
- F. None of above. chosen
Statements (59)
| Predicate | Object |
|---|---|
| instanceOf |
UNESCO World Heritage Site
ⓘ
canal ⓘ cultural heritage site ⓘ waterway system ⓘ |
| alsoKnownAs |
Grand Canal of China
ⓘ
surface form:
Beijing–Hangzhou Grand Canal
Grand Canal of China ⓘ
surface form:
China Grand Canal
|
| connects |
Beijing
ⓘ
Hangzhou ⓘ Hebei ⓘ Jiangsu ⓘ Shandong ⓘ Tianjin ⓘ Zhejiang Province ⓘ
surface form:
Zhejiang
|
| constructionBegan | 5th century BCE ⓘ |
| country | China ⓘ |
| followsRiverBasinsOf |
Hai River
ⓘ
Huai River ⓘ Qiantang River ⓘ Yangtze River ⓘ Yellow River ⓘ |
| governedBy |
China
ⓘ
surface form:
People's Republic of China
|
| hasPart |
Grand Canal of China
self-linksurface differs
ⓘ
surface form:
Jing–Hang Grand Canal main line
Grand Canal of China self-linksurface differs ⓘ
surface form:
Li Canal (historical section)
Beiyun River ⓘ
surface form:
Tonghui River section
|
| heritageDesignation | UNESCO World Heritage Site ⓘ |
| heritageType | cultural ⓘ |
| length | approximately 1776 km ⓘ |
| locatedIn |
eastern China
ⓘ
surface form:
Eastern China
North China ⓘ
surface form:
Northern China
southern China ⓘ
surface form:
Southern China
|
| majorExpansionDuring |
Ming dynasty
ⓘ
Sui dynasty ⓘ Tang dynasty ⓘ Yuan dynasty ⓘ |
| partOf | Chinese hydraulic engineering tradition ⓘ |
| passesThrough |
Beijing
ⓘ
Hangzhou ⓘ Jining ⓘ Suzhou ⓘ Tianjin ⓘ Yangzhou ⓘ |
| primaryHistoricalFunction |
administrative integration
ⓘ
facilitating internal trade ⓘ military logistics ⓘ transport of grain ⓘ |
| recognizedAs | world’s longest man-made waterway ⓘ |
| significance |
enabled long-distance inland water transport
ⓘ
linked northern and southern China ⓘ promoted economic integration of China ⓘ |
| UNESCOWorldHeritageCriteria |
(i)
ⓘ
(iii) ⓘ (iv) ⓘ (vi) ⓘ |
| UNESCOWorldHeritageListingYear | 2014 ⓘ |
| UNESCOWorldHeritageSiteId | 1443 ⓘ |
| usedFor |
flood control
ⓘ
irrigation ⓘ modern inland shipping ⓘ tourism ⓘ |
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: Grand Canal of China Description of subject: The Grand Canal of China is an ancient, extensive man-made waterway system that historically linked northern and southern China, facilitating trade, transport, and economic integration for over a millennium.
Referenced by (28)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Grand Canal
this entity surface form:
Grand Canal
this entity surface form:
Grand Canal
this entity surface form:
Beijing–Hangzhou Grand Canal
this entity surface form:
China Grand Canal
this entity surface form:
Jing–Hang Grand Canal main line
this entity surface form:
Li Canal (historical section)
this entity surface form:
Grand Canal
this entity surface form:
Beijing–Hangzhou Grand Canal
this entity surface form:
Grand Canal
this entity surface form:
Yangzhou Ancient Canal
subject surface form:
Liaocheng
this entity surface form:
Beijing–Hangzhou Grand Canal
this entity surface form:
Grand Canal
this entity surface form:
Beijing–Hangzhou Grand Canal
this entity surface form:
sections of the Beijing–Hangzhou Grand Canal
this entity surface form:
Grand Canal
this entity surface form:
Grand Canal
this entity surface form:
Grand Canal