Nanjing Metro Line S1
E678060
Nanjing Metro Line S1 is an airport rail link in Nanjing, China, providing rapid transit service between the city’s urban area and Nanjing Lukou International Airport.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Nanjing Metro Line S1 canonical | 3 |
| Line S1 (Nanjing Metro) | 1 |
| Nanjing Metro lines | 1 |
| S1 Line (Nanjing Metro) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7636012 — 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: Nanjing Metro Line S1 Context triple: [Nanjing Lukou International Airport, connectedBy, Nanjing Metro Line S1]
-
A.
Nanjing Metro
Nanjing Metro is the rapid transit system serving the city of Nanjing, China, comprising multiple urban and suburban lines that form a major part of the city's public transportation network.
-
B.
Changzhou Metro
Changzhou Metro is the urban rapid transit system serving the city of Changzhou in Jiangsu Province, China.
-
C.
Shanghai Metro Line 15
Shanghai Metro Line 15 is a north–south rapid transit line in Shanghai’s metro system serving numerous districts with fully automated trains.
-
D.
Shanghai Metro Line 11
Shanghai Metro Line 11 is a major rapid transit line in Shanghai that connects the city center with suburban areas including the Shanghai Disney Resort.
-
E.
Shanghai Metro Line 17
Shanghai Metro Line 17 is a suburban rapid transit line in Shanghai that runs west from Hongqiao through Qingpu District, serving areas such as Zhujiajiao with both local and tourism-oriented access.
- 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: Nanjing Metro Line S1 Target entity description: Nanjing Metro Line S1 is an airport rail link in Nanjing, China, providing rapid transit service between the city’s urban area and Nanjing Lukou International Airport.
-
A.
Nanjing Metro
Nanjing Metro is the rapid transit system serving the city of Nanjing, China, comprising multiple urban and suburban lines that form a major part of the city's public transportation network.
-
B.
Changzhou Metro
Changzhou Metro is the urban rapid transit system serving the city of Changzhou in Jiangsu Province, China.
-
C.
Shanghai Metro Line 15
Shanghai Metro Line 15 is a north–south rapid transit line in Shanghai’s metro system serving numerous districts with fully automated trains.
-
D.
Shanghai Metro Line 11
Shanghai Metro Line 11 is a major rapid transit line in Shanghai that connects the city center with suburban areas including the Shanghai Disney Resort.
-
E.
Shanghai Metro Line 17
Shanghai Metro Line 17 is a suburban rapid transit line in Shanghai that runs west from Hongqiao through Qingpu District, serving areas such as Zhujiajiao with both local and tourism-oriented access.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
airport rail link
ⓘ
rapid transit line ⓘ |
| category |
Airport rail links in China
ⓘ
Nanjing Metro lines ⓘ
linked to:
Nanjing Metro Line S1
|
| character | underground and elevated ⓘ |
| city | Nanjing ⓘ |
| connectsTo |
Nanjing Lukou International Airport
ⓘ
Nanjing South Railway Station ⓘ |
| connectsWithLine |
Nanjing Metro Line 1 at Nanjing South Railway Station
ⓘ
linked to:
Nanjing Metro Line 1
Nanjing Metro Line 3 at Nanjing South Railway Station ⓘ |
| country | China ⓘ |
| electrification | overhead line ⓘ |
| fareSystem | integrated with Nanjing Metro ⓘ |
| hasAbbreviation | S1 ⓘ |
| hasFunction | connects urban Nanjing with Nanjing Lukou International Airport ⓘ |
| hasPlatformType | island platforms ⓘ |
| isPartOfTransportInfrastructure |
Nanjing urban rail transit network
ⓘ
linked to:
Nanjing Metro
|
| lineColor | light blue ⓘ |
| locale |
Jiangning District
ⓘ
Jiangsu Province ⓘ
linked to:
Jiangsu
Nanjing urban area ⓘ
linked to:
Nanjing
|
| networkZone | southern Nanjing ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 2014-07-01 ⓘ |
| operator | Nanjing Metro Group ⓘ |
| owner | Nanjing Municipal Government ⓘ |
| partOf |
Nanjing Metro suburban lines
ⓘ
linked to:
Nanjing Metro
|
| purpose |
airport access
ⓘ
urban transit ⓘ |
| regionServed |
Nanjing metropolitan area
ⓘ
linked to:
Nanjing
|
| rollingStock | Type B metro trains ⓘ |
| safetySystem | automatic train protection ⓘ |
| serviceType |
airport express
ⓘ
rapid transit ⓘ |
| signallingSystem | CBTC ⓘ |
| status | operational ⓘ |
| system | Nanjing Metro ⓘ |
| terminus |
Nanjing Lukou International Airport
ⓘ
Nanjing South Railway Station ⓘ |
| trackGauge | standard gauge ⓘ |
| transportMode | rail ⓘ |
| uses | electric multiple units ⓘ |
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: Nanjing Metro Line S1 Description of subject: Nanjing Metro Line S1 is an airport rail link in Nanjing, China, providing rapid transit service between the city’s urban area and Nanjing Lukou International Airport.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Line 4
linked to: Nanjing Metro Line S1
linked to: Nanjing Metro Line S1
linked to: Nanjing Metro Line S1