Line 20
E451282
Line 20 is a driverless rapid transit line of the Shenzhen Metro system in Shenzhen, China.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 20 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4542004 — 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: Line 20 Context triple: [Shenzhen Metro, hasLine, Line 20]
-
A.
Line 21
Line 21 is a rapid transit line of the Guangzhou Metro system in Guangzhou, China, serving suburban and outlying districts with high-speed urban rail service.
-
B.
Line 19
Line 19 is a north–south rapid transit line of the Beijing Subway designed to improve connectivity between the city's central districts and its outer areas.
-
C.
Line 19
Line 19 is a planned rapid transit line of the Shanghai Metro network intended to serve additional urban and suburban areas of the city.
-
D.
Line 18
Line 18 is a rapid transit line of the Shanghai Metro system serving various districts in Shanghai, China.
-
E.
Line 18
Line 18 is a high-speed rapid transit line of the Guangzhou Metro system in Guangzhou, China.
- 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: Line 20 Target entity description: Line 20 is a driverless rapid transit line of the Shenzhen Metro system in Shenzhen, China.
-
A.
Line 21
Line 21 is a rapid transit line of the Guangzhou Metro system in Guangzhou, China, serving suburban and outlying districts with high-speed urban rail service.
-
B.
Line 19
Line 19 is a north–south rapid transit line of the Beijing Subway designed to improve connectivity between the city's central districts and its outer areas.
-
C.
Line 19
Line 19 is a planned rapid transit line of the Shanghai Metro network intended to serve additional urban and suburban areas of the city.
-
D.
Line 18
Line 18 is a rapid transit line of the Shanghai Metro system serving various districts in Shanghai, China.
-
E.
Line 18
Line 18 is a high-speed rapid transit line of the Guangzhou Metro system in Guangzhou, China.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
Shenzhen Metro line
ⓘ
driverless metro line ⓘ rapid transit line ⓘ |
| cityServed |
Shenzhen
ⓘ
linked to:
Shenzhen, China
|
| country | China ⓘ |
| electrification | third rail ⓘ |
| fareCollection |
QR code ticketing
ⓘ
contactless smart card ⓘ |
| fareSystem | Shenzhen Metro fare system ⓘ |
| fareZoneSystem | single-zone urban metro ⓘ |
| hasPlatformSafety | platform screen doors ⓘ |
| hasPlatformType | island platforms ⓘ |
| hasRollingStockType | driverless metro trains ⓘ |
| hasService | passenger transport ⓘ |
| hasServicePattern | all-stations service ⓘ |
| isDriverless | yes ⓘ |
| isElectrified | yes ⓘ |
| isPartOfNetwork |
Shenzhen urban rail network
ⓘ
linked to:
Shenzhen Metro
|
| isUrbanRailway | yes ⓘ |
| locatedIn |
Shenzhen
ⓘ
linked to:
Shenzhen, China
|
| locatedInAdministrativeTerritory | Guangdong Province ⓘ |
| locatedInContinent | Asia ⓘ |
| operator | Shenzhen Metro Group ⓘ |
| partOf | Shenzhen Metro ⓘ |
| publicTransportSystem |
Shenzhen Metro system
ⓘ
linked to:
Shenzhen Metro
|
| railwayInfrastructureOwner |
Shenzhen municipal authorities
ⓘ
linked to:
Shenzhen Municipal People’s Government
|
| railwaySignalling | automatic train control ⓘ |
| railwaySystem | urban rail transit ⓘ |
| safetySystem |
automatic train operation
ⓘ
automatic train protection ⓘ |
| signallingSystem | driverless train operation ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | rapid transit ⓘ |
| usesTechnology | communications-based train control ⓘ |
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: Line 20 Description of subject: Line 20 is a driverless rapid transit line of the Shenzhen Metro system in Shenzhen, China.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.