Shanghai–Nanjing Expressway
E238283
The Shanghai–Nanjing Expressway is a major Chinese expressway connecting the cities of Shanghai and Nanjing, serving as a key transportation corridor in the Yangtze River Delta region.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Shanghai–Nanjing Expressway canonical | 3 |
| Shanghai–Hangzhou Expressway (Shanghai section) | 1 |
| Shanghai–Nanjing Expressway (Shanghai section) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2136950 — 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: Shanghai–Nanjing Expressway Context triple: [Putuo District, hasRoadInfrastructure, Shanghai–Nanjing Expressway]
-
A.
G50 Shanghai–Chongqing Expressway
The G50 Shanghai–Chongqing Expressway is a major east–west Chinese expressway connecting the coastal metropolis of Shanghai with the inland megacity of Chongqing, traversing multiple provinces and key inland regions.
-
B.
G60 Shanghai–Kunming Expressway
The G60 Shanghai–Kunming Expressway is a major east–west Chinese national expressway connecting the metropolis of Shanghai with the southwestern city of Kunming, traversing multiple provinces across the country.
-
C.
G4 Beijing–Hong Kong–Macau Expressway
The G4 Beijing–Hong Kong–Macau Expressway is a major north–south Chinese national expressway linking Beijing with Hong Kong and Macau, passing through numerous key cities along its route.
-
D.
G75 Lanzhou–Haikou Expressway
The G75 Lanzhou–Haikou Expressway is a major north–south Chinese expressway connecting the inland city of Lanzhou in Gansu Province with the southern coastal city of Haikou on Hainan Island.
-
E.
G15 Shenyang–Haikou Expressway
The G15 Shenyang–Haikou Expressway is a major north–south Chinese expressway running along the eastern coast, connecting the northeastern city of Shenyang with the southern island city of Haikou.
- 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: Shanghai–Nanjing Expressway Target entity description: The Shanghai–Nanjing Expressway is a major Chinese expressway connecting the cities of Shanghai and Nanjing, serving as a key transportation corridor in the Yangtze River Delta region.
-
A.
G50 Shanghai–Chongqing Expressway
The G50 Shanghai–Chongqing Expressway is a major east–west Chinese expressway connecting the coastal metropolis of Shanghai with the inland megacity of Chongqing, traversing multiple provinces and key inland regions.
-
B.
G60 Shanghai–Kunming Expressway
The G60 Shanghai–Kunming Expressway is a major east–west Chinese national expressway connecting the metropolis of Shanghai with the southwestern city of Kunming, traversing multiple provinces across the country.
-
C.
G4 Beijing–Hong Kong–Macau Expressway
The G4 Beijing–Hong Kong–Macau Expressway is a major north–south Chinese national expressway linking Beijing with Hong Kong and Macau, passing through numerous key cities along its route.
-
D.
G75 Lanzhou–Haikou Expressway
The G75 Lanzhou–Haikou Expressway is a major north–south Chinese expressway connecting the inland city of Lanzhou in Gansu Province with the southern coastal city of Haikou on Hainan Island.
-
E.
G15 Shenyang–Haikou Expressway
The G15 Shenyang–Haikou Expressway is a major north–south Chinese expressway running along the eastern coast, connecting the northeastern city of Shenyang with the southern island city of Haikou.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
expressway
ⓘ
road infrastructure ⓘ |
| connectsCity |
Nanjing
ⓘ
Shanghai ⓘ |
| connectsRegion |
Jiangsu Province
ⓘ
linked to:
Jiangsu
Shanghai municipality ⓘ
linked to:
Shanghai
|
| country | China ⓘ |
| function | key transportation corridor ⓘ |
| hasAccessControl | limited access ⓘ |
| hasInterchangesWith | other expressways in Yangtze River Delta ⓘ |
| hasLanes | multiple carriageway lanes ⓘ |
| hasToll | yes ⓘ |
| importance | major intercity route ⓘ |
| languageOfName | Chinese ⓘ |
| locatedIn | Yangtze River Delta ⓘ |
| partOfNetwork | Chinese expressway network ⓘ |
| primaryUse | motor vehicle traffic ⓘ |
| regionServed | Yangtze River Delta ⓘ |
| roadSurface | paved ⓘ |
| roadType | controlled-access highway ⓘ |
| roleInEconomy | supports regional economic integration ⓘ |
| roleInTransport | reduces travel time between Shanghai and Nanjing ⓘ |
| supportsTrafficType |
freight transport
ⓘ
passenger transport ⓘ |
| usedBy |
buses
ⓘ
private vehicles ⓘ trucks ⓘ |
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: Shanghai–Nanjing Expressway Description of subject: The Shanghai–Nanjing Expressway is a major Chinese expressway connecting the cities of Shanghai and Nanjing, serving as a key transportation corridor in the Yangtze River Delta region.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Shanghai–Nanjing Expressway
linked to: Shanghai–Nanjing Expressway