Hangzhou Bay Bridge
E454988
The Hangzhou Bay Bridge is a long trans-oceanic highway bridge in eastern China that dramatically shortens travel time between Shanghai and Ningbo across Hangzhou Bay.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Hangzhou Bay Bridge canonical | 3 |
| Jiaxing–Shaoxing Sea Bridge | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4589613 — 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: Hangzhou Bay Bridge Context triple: [Hangzhou Bay, knownFor, Hangzhou Bay Bridge]
-
A.
Jiaozhou Bay Bridge
Jiaozhou Bay Bridge is a long sea-crossing bridge in eastern China that carries traffic across Jiaozhou Bay near Qingdao.
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B.
Donghai Bridge
Donghai Bridge is one of the world’s longest cross-sea bridges, linking mainland Shanghai to offshore deep-water port facilities in the East China Sea.
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C.
Shenzhen Bay Bridge
Shenzhen Bay Bridge is a cross-border sea bridge linking mainland China and Hong Kong across Shenzhen Bay, serving as a major transportation corridor in the Pearl River Delta region.
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D.
Hong Kong–Zhuhai–Macau Bridge
The Hong Kong–Zhuhai–Macau Bridge is a massive sea-crossing bridge–tunnel system that links Hong Kong, Zhuhai, and Macau across the Pearl River Delta and ranks among the world’s longest fixed links over water.
-
E.
Chaotianmen Bridge
Chaotianmen Bridge is a large steel arch bridge in Chongqing, China, known for spanning the confluence of the Yangtze and Jialing rivers and being one of the world’s longest arch bridges.
- 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: Hangzhou Bay Bridge Target entity description: The Hangzhou Bay Bridge is a long trans-oceanic highway bridge in eastern China that dramatically shortens travel time between Shanghai and Ningbo across Hangzhou Bay.
-
A.
Jiaozhou Bay Bridge
Jiaozhou Bay Bridge is a long sea-crossing bridge in eastern China that carries traffic across Jiaozhou Bay near Qingdao.
-
B.
Donghai Bridge
Donghai Bridge is one of the world’s longest cross-sea bridges, linking mainland Shanghai to offshore deep-water port facilities in the East China Sea.
-
C.
Shenzhen Bay Bridge
Shenzhen Bay Bridge is a cross-border sea bridge linking mainland China and Hong Kong across Shenzhen Bay, serving as a major transportation corridor in the Pearl River Delta region.
-
D.
Hong Kong–Zhuhai–Macau Bridge
The Hong Kong–Zhuhai–Macau Bridge is a massive sea-crossing bridge–tunnel system that links Hong Kong, Zhuhai, and Macau across the Pearl River Delta and ranks among the world’s longest fixed links over water.
-
E.
Chaotianmen Bridge
Chaotianmen Bridge is a large steel arch bridge in Chongqing, China, known for spanning the confluence of the Yangtze and Jialing rivers and being one of the world’s longest arch bridges.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
cable-stayed bridge
ⓘ
highway bridge ⓘ sea-crossing bridge ⓘ |
| belongsTo | Zhejiang transportation infrastructure ⓘ |
| carries |
G15 Shenyang–Haikou Expressway
ⓘ
motor vehicles ⓘ |
| connects |
Jiaxing
ⓘ
Ningbo ⓘ
linked to:
Ningbo-Zhoushan
Shanghai ⓘ |
| constructionStartDate | 2003-06 ⓘ |
| country | China ⓘ |
| crosses | Hangzhou Bay ⓘ |
| design | cable-stayed ⓘ |
| designedFor | high-speed road traffic ⓘ |
| hasConstructionType | sea-crossing viaduct with cable-stayed sections ⓘ |
| hasDeckType | dual carriageway ⓘ |
| hasEconomicRole |
facilitates logistics between Shanghai and Ningbo ports
ⓘ
supports development of the Yangtze River Delta ⓘ |
| hasFeature |
mid-bay service center
ⓘ
observation facilities on Landmark Island ⓘ |
| hasRestArea | Landmark Island service area ⓘ |
| hasServiceIsland | Landmark Island ⓘ |
| hasSuperstructure | multiple cable-stayed spans ⓘ |
| hasTidalEnvironment | strong tidal currents ⓘ |
| lanes | 6 ⓘ |
| length |
about 22 miles
ⓘ
about 36 kilometers ⓘ |
| locatedIn |
Hangzhou Bay
ⓘ
eastern China ⓘ |
| locatedNear |
Qiantang River estuary
ⓘ
linked to:
Qiantang River
|
| maintainedBy |
Zhejiang Provincial Government
ⓘ
linked to:
Zhejiang provincial authorities
|
| material |
concrete
ⓘ
steel ⓘ |
| near |
Ningbo
ⓘ
linked to:
Ningbo-Zhoushan
Shanghai ⓘ |
| notableFor |
long sea-crossing span
ⓘ
shortening road distance between Shanghai and Ningbo ⓘ |
| officialOpeningDate | 2008-06-26 ⓘ |
| opened | 2008-05-01 ⓘ |
| openedBy | Chinese authorities ⓘ |
| openedToTraffic | 2008 ⓘ |
| partOf | national expressway network of China ⓘ |
| province |
Zhejiang
ⓘ
linked to:
Zhejiang Province
|
| purpose | reduce travel time between Shanghai and Ningbo ⓘ |
| region | Yangtze River Delta ⓘ |
| statusAtOpening | one of the longest trans-oceanic bridges in the world ⓘ |
| toll | yes ⓘ |
| trafficType | road traffic only ⓘ |
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: Hangzhou Bay Bridge Description of subject: The Hangzhou Bay Bridge is a long trans-oceanic highway bridge in eastern China that dramatically shortens travel time between Shanghai and Ningbo across Hangzhou Bay.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Hangzhou Bay Bridge