Line 9
E188953
Line 9 is a rapid transit line of the Guangzhou Metro system serving parts of Guangzhou, China.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 9 canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T1650409 — 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: [Guangzhou Metro, hasLine, Line 9]
-
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 8
Line 8 is a route of Mexico City’s Metrobús bus rapid transit system, serving key corridors with dedicated lanes and station platforms.
-
D.
Line 8
Line 8 is a line of the Mexico City Metro system that runs in a generally north–south direction, connecting key residential and commercial areas of the city.
-
E.
Line 8
Line 8 is a rapid transit line of the Guangzhou Metro system in Guangzhou, China, serving as one of the city's key urban rail corridors.
- 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 line of the Guangzhou Metro system serving parts of Guangzhou, China.
-
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 8
Line 8 is a route of Mexico City’s Metrobús bus rapid transit system, serving key corridors with dedicated lanes and station platforms.
-
D.
Line 8
Line 8 is a line of the Mexico City Metro system that runs in a generally north–south direction, connecting key residential and commercial areas of the city.
-
E.
Line 8
Line 8 is a rapid transit line of the Guangzhou Metro system in Guangzhou, China, serving as one of the city's key urban rail corridors.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
rapid transit line ⓘ |
| connectsTo | other Guangzhou Metro lines ⓘ |
| country | China ⓘ |
| electrification |
DC
ⓘ
overhead line ⓘ |
| fareMedium |
contactless smart card
ⓘ
single-journey token ⓘ |
| farePolicy | distance-based fare ⓘ |
| fareSystem | Guangzhou Metro fare system ⓘ |
| hasColor | line color assigned by Guangzhou Metro ⓘ |
| hasFeature |
CCTV surveillance
ⓘ
LED passenger information displays ⓘ accessibility features for disabled passengers ⓘ air-conditioned trains ⓘ platform screen doors ⓘ public address system ⓘ |
| hasMaintenance | metro depot facilities ⓘ |
| hasRollingStock | Guangzhou Metro Type B trains ⓘ |
| hasSecurity |
metro security staff
ⓘ
police patrols ⓘ |
| hasService |
all-stations service
ⓘ
peak-hour frequent service ⓘ |
| languageOfSignage |
Chinese
ⓘ
English ⓘ |
| locatedIn |
China
ⓘ
Guangdong ⓘ
linked to:
Guangdong Province
Guangzhou ⓘ |
| operator | Guangzhou Metro Group ⓘ |
| owner |
Guangzhou Municipal Government
ⓘ
linked to:
Guangzhou Municipal People’s Government
|
| partOf | Guangzhou Metro ⓘ |
| partOfNetwork | urban rail transit in Guangzhou ⓘ |
| platformType | island platforms ⓘ |
| primaryMode | underground railway ⓘ |
| purpose | urban passenger transport ⓘ |
| safetyStandard | Chinese urban rail safety standards ⓘ |
| safetySystem |
emergency communication system
ⓘ
emergency ventilation system ⓘ fire detection system ⓘ |
| serves | Huadu District ⓘ |
| system | Guangzhou Metro ⓘ |
| ticketingSystem | automatic fare collection ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | rapid transit ⓘ |
| usesSignalingSystem |
automatic train control
ⓘ
automatic train operation ⓘ automatic train protection ⓘ |
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 line of the Guangzhou Metro system serving parts of Guangzhou, China.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.