Line 19
E70561
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 19 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T530969 — 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 19 Context triple: [Beijing Subway, hasLine, Line 19]
-
A.
Line 17
Line 17 is a rapid transit line of the Beijing Subway system designed to improve north–south connectivity across the city.
-
B.
Line 16
Line 16 is a rapid transit line of the Beijing Subway system serving parts of the city with modern, high-capacity metro service.
-
C.
Line 15
Line 15 is a rapid transit line of the Beijing Subway system serving northern parts of the city with both urban and suburban stations.
-
D.
Line 14
Line 14 is a major rapid transit line of the Beijing Subway system that serves multiple key residential and commercial districts across the city.
-
E.
Line 13
Line 13 is a suburban loop line of the Beijing Subway that serves the northern part of the city and connects several major transfer stations.
- 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 19 Target entity description: 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.
-
A.
Line 17
Line 17 is a rapid transit line of the Beijing Subway system designed to improve north–south connectivity across the city.
-
B.
Line 16
Line 16 is a rapid transit line of the Beijing Subway system serving parts of the city with modern, high-capacity metro service.
-
C.
Line 15
Line 15 is a rapid transit line of the Beijing Subway system serving northern parts of the city with both urban and suburban stations.
-
D.
Line 14
Line 14 is a major rapid transit line of the Beijing Subway system that serves multiple key residential and commercial districts across the city.
-
E.
Line 13
Line 13 is a suburban loop line of the Beijing Subway that serves the northern part of the city and connects several major transfer stations.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
Beijing Subway line
ⓘ
rapid transit line ⓘ |
| country | China ⓘ |
| electrification | third rail ⓘ |
| fareCollection |
QR code ticketing
ⓘ
contactless smart card ⓘ |
| fareSystem | Beijing Subway unified fare system ⓘ |
| hasLanguageOfSignage |
Chinese
ⓘ
English ⓘ |
| isPartOfNetwork |
Beijing Subway
ⓘ
surface form:
Beijing urban rail network
|
| location | Beijing ⓘ |
| operator | Beijing Mass Transit Railway Operation Corporation Limited ⓘ |
| orientation | north–south ⓘ |
| owner | Beijing Municipal Government ⓘ |
| partOf | urban rail transit in Beijing ⓘ |
| publicTransportMode | metro ⓘ |
| purpose | improve connectivity between central districts and outer areas of Beijing ⓘ |
| safetySystem |
automatic train protection
ⓘ
platform screen doors ⓘ |
| serves |
central Beijing
ⓘ
outer districts of Beijing ⓘ |
| system | Beijing Subway ⓘ |
| ticketingSystem | Yikatong ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | rapid transit ⓘ |
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 19 Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.