S4 Line
E665362
The S4 Line is a rapid transit route within the Nanjing Metro system in Nanjing, China.
All labels observed (1)
| Label | Occurrences |
|---|---|
| S4 Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7384724 — 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: S4 Line Context triple: [Nanjing Metro, hasLine, S4 Line]
-
A.
S4 line
The S4 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt metropolitan area, including central hubs such as Frankfurt Hauptwache.
-
B.
S4 line
The S4 line is a suburban railway service of the Zürich S-Bahn network that connects the city of Zürich with surrounding regional destinations.
-
C.
S1 line
The S1 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt metropolitan area and surrounding region.
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D.
S1 Line
The S1 Line is a rapid transit route within the Nanjing Metro system in Nanjing, China, providing urban rail service along one of the city’s key corridors.
-
E.
S1 Line
The S1 Line is a medium-capacity maglev rapid transit line in the Beijing Subway system serving the western suburbs of the city.
- 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: S4 Line Target entity description: The S4 Line is a rapid transit route within the Nanjing Metro system in Nanjing, China.
-
A.
S4 line
The S4 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt metropolitan area, including central hubs such as Frankfurt Hauptwache.
-
B.
S4 line
The S4 line is a suburban railway service of the Zürich S-Bahn network that connects the city of Zürich with surrounding regional destinations.
-
C.
S1 line
The S1 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt metropolitan area and surrounding region.
-
D.
S1 Line
The S1 Line is a medium-capacity maglev rapid transit line in the Beijing Subway system serving the western suburbs of the city.
-
E.
S1 Line
The S1 Line is a rapid transit route within the Nanjing Metro system in Nanjing, China, providing urban rail service along one of the city’s key corridors.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | rapid transit line ⓘ |
| continent | Asia ⓘ |
| country | China ⓘ |
| electrification | overhead line ⓘ |
| hasFareSystem | Nanjing Metro fare system ⓘ |
| hasInfrastructureType | grade-separated ⓘ |
| hasOwner |
Nanjing municipal government
ⓘ
linked to:
Nanjing Municipal Government
|
| hasPrimaryFunction | urban passenger transport ⓘ |
| hasRouteDesignation | S4 ⓘ |
| hasSystemType | metro ⓘ |
| hasType | urban rail transit ⓘ |
| isInNetwork |
Nanjing Metro network
ⓘ
linked to:
Nanjing Metro
|
| languageOfDesignation | Chinese ⓘ |
| locatedIn |
China
ⓘ
Jiangsu ⓘ Nanjing ⓘ |
| modeOfTransport | rapid transit ⓘ |
| operator | Nanjing Metro Group ⓘ |
| partOf | Nanjing Metro ⓘ |
| publicTransport | true ⓘ |
| railGauge | standard gauge ⓘ |
| servesCity | Nanjing ⓘ |
| transportationSystem | Nanjing Metro ⓘ |
| usesRailVehicles | 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: S4 Line Description of subject: The S4 Line is a rapid transit route within the Nanjing Metro system in Nanjing, China.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.