Baopingkou (Bottle-Neck) channel
E766496
Baopingkou (Bottle-Neck) channel is a key water-diversion passage in the ancient Dujiangyan Irrigation System that regulates and distributes river flow into the Chengdu Plain.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Baopingkou (Bottle-Neck Channel) | 1 |
| Baopingkou (Bottle-Neck) channel canonical | 1 |
| Bottle-Neck Channel (Baopingkou) at Dujiangyan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8903369 — 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: Baopingkou (Bottle-Neck) channel Context triple: [Dujiangyan Irrigation System, hasPart, Baopingkou (Bottle-Neck) channel]
-
A.
Lingdingyang channel
Lingdingyang channel is a major waterway in the Pearl River Estuary in southern China, forming part of the busy maritime route between Hong Kong, Macau, and the mainland.
-
B.
Wu Gorge
Wu Gorge is a dramatic, narrow section of the Yangtze River in China, renowned for its steep cliffs, misty scenery, and cultural legends, and forms one of the famed Three Gorges.
-
C.
Longqing Gorge
Longqing Gorge is a scenic river valley near Beijing, China, famed for its steep cliffs, clear waters, and popular boat tours and ice lantern festival.
-
D.
Yeongdo Channel
Yeongdo Channel is a narrow body of water in Busan, South Korea, separating Yeongdo Island from the mainland and serving as an important maritime passage.
-
E.
Xiyu Causeway
Xiyu Causeway is a man-made land bridge in the Penghu archipelago of Taiwan that connects Xiyu Island to neighboring islands, facilitating transportation and access across the area.
- 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: Baopingkou (Bottle-Neck) channel Target entity description: Baopingkou (Bottle-Neck) channel is a key water-diversion passage in the ancient Dujiangyan Irrigation System that regulates and distributes river flow into the Chengdu Plain.
-
A.
Lingdingyang channel
Lingdingyang channel is a major waterway in the Pearl River Estuary in southern China, forming part of the busy maritime route between Hong Kong, Macau, and the mainland.
-
B.
Wu Gorge
Wu Gorge is a dramatic, narrow section of the Yangtze River in China, renowned for its steep cliffs, misty scenery, and cultural legends, and forms one of the famed Three Gorges.
-
C.
Longqing Gorge
Longqing Gorge is a scenic river valley near Beijing, China, famed for its steep cliffs, clear waters, and popular boat tours and ice lantern festival.
-
D.
Yeongdo Channel
Yeongdo Channel is a narrow body of water in Busan, South Korea, separating Yeongdo Island from the mainland and serving as an important maritime passage.
-
E.
Xiyu Causeway
Xiyu Causeway is a man-made land bridge in the Penghu archipelago of Taiwan that connects Xiyu Island to neighboring islands, facilitating transportation and access across the area.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
hydraulic engineering structure
ⓘ
water-diversion channel ⓘ |
| alsoKnownAs |
Baopingkou
ⓘ
Bottle-Neck channel ⓘ |
| associatedWith |
Li Bing
ⓘ
ancient Qin dynasty engineering ⓘ |
| country | China ⓘ |
| designedFor |
drought mitigation
ⓘ
flood control ⓘ stable irrigation supply ⓘ |
| distributesWaterTo | Chengdu Plain ⓘ |
| era |
ancient China
ⓘ
linked to:
Ancient China
|
| feeds |
Dujiangyan irrigation canals
ⓘ
linked to:
Dujiangyan Irrigation System
|
| function |
irrigation water distribution
ⓘ
river flow regulation ⓘ water diversion ⓘ |
| heritageStatus | part of UNESCO World Heritage Site "Mount Qingcheng and the Dujiangyan Irrigation System" ⓘ |
| languageOfName | Chinese ⓘ |
| locatedIn |
Chengdu Plain
ⓘ
China ⓘ Dujiangyan ⓘ
linked to:
Dujiangyan Irrigation System
Sichuan Province ⓘ |
| partOf |
Dujiangyan Irrigation System
ⓘ
ancient Chinese irrigation works ⓘ |
| regulatesFlowOf | Min River ⓘ |
| relatedStructure |
Feishayan spillway
ⓘ
Fish Mouth Levee ⓘ
linked to:
Fish Mouth levee
|
| roleInSystem |
controls volume of water entering irrigation network
ⓘ
key water-diversion passage ⓘ |
| significance | crucial for long-term agricultural productivity of Chengdu Plain ⓘ |
| systemType | gravity-fed irrigation system ⓘ |
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: Baopingkou (Bottle-Neck) channel Description of subject: Baopingkou (Bottle-Neck) channel is a key water-diversion passage in the ancient Dujiangyan Irrigation System that regulates and distributes river flow into the Chengdu Plain.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Baopingkou (Bottle-Neck) channel
linked to: Baopingkou (Bottle-Neck) channel