Line 9
E496535
Line 9 is a rapid transit route within the STC Metro system, serving as one of its numbered urban rail lines.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 9 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5073995 — 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 9 Context triple: [STC Metro, line, Line 9]
-
A.
Line 9
Line 9 is a line of the Mexico City Metro system that serves as one of its key rapid transit routes across the city.
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B.
Line 9
Line 9 is a rapid transit line of the Guangzhou Metro system serving parts of Guangzhou, China.
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C.
Line 9
Line 9 is a major Barcelona Metro line designed as a long, partially automated route connecting key suburban and airport areas with the wider metropolitan network.
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D.
Line 9
Line 9 is a major rapid transit line in the Seoul Metropolitan Subway system known for its express services that significantly reduce travel time across key areas of the city.
-
E.
Line 9
Line 9 is a rapid transit line of the Beijing Subway system that serves as part of the city's urban rail network.
- 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 9 Target entity description: Line 9 is a rapid transit route within the STC Metro system, serving as one of its numbered urban rail lines.
-
A.
Line 9
Line 9 is a rapid transit line of the Beijing Subway system that serves as part of the city's urban rail network.
-
B.
Line 9
Line 9 is a line of the Mexico City Metro system that serves as one of its key rapid transit routes across the city.
-
C.
Line 9
Line 9 is a rapid transit line of the Guangzhou Metro system serving parts of Guangzhou, China.
-
D.
Line 9
Line 9 is a major rapid transit line in the Seoul Metropolitan Subway system known for its express services that significantly reduce travel time across key areas of the city.
-
E.
Line 9
Line 9 is a rapid transit line of the Shenzhen Metro system in Shenzhen, China, serving several key districts in the city.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | rapid transit line ⓘ |
| connectsWith |
Line 1
ⓘ
Line 2 ⓘ Line 3 ⓘ Line 4 ⓘ Line 5 ⓘ Line 7 ⓘ Line 8 ⓘ Line A ⓘ |
| country | Mexico ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareCollection |
contactless smart card
ⓘ
magnetic card ⓘ |
| fareSystem | STC Metro unified fare ⓘ |
| hasColor | dark brown ⓘ |
| hasRollingStockType | steel-wheel metro trains ⓘ |
| isNumberedLineOf | STC Metro ⓘ |
| lineNumber | 9 ⓘ |
| locatedIn | Mexico City ⓘ |
| operator | Sistema de Transporte Colectivo ⓘ |
| owner | Sistema de Transporte Colectivo ⓘ |
| partOf | STC Metro ⓘ |
| platformType | high-level platforms ⓘ |
| safetySystem | automatic train protection ⓘ |
| serviceArea |
Mexico City urban area
ⓘ
linked to:
Greater Mexico City metropolitan area
|
| serviceType | urban rail ⓘ |
| system | Sistema de Transporte Colectivo Metro ⓘ |
| trackGauge | standard gauge ⓘ |
| transportType | 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 9 Description of subject: Line 9 is a rapid transit route within the STC Metro system, serving as one of its numbered urban rail lines.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.