Line 4
E188952
Line 4 is a rapid transit line of the Guangzhou Metro system in Guangzhou, China, serving key urban and suburban areas along its north–south corridor.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 4 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1650404 — 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 4 Context triple: [Guangzhou Metro, hasLine, Line 4]
-
A.
Line 4
Line 4 is a route of Mexico City’s Metrobús bus rapid transit system that serves key corridors with dedicated lanes and high-capacity articulated buses.
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B.
Line 4
Line 4 is a major line of the Santiago Metro in Chile, serving key residential and commercial areas in the southeastern part of the city.
-
C.
Line 4
Line 4 is a major north–south rapid transit route in the Beijing Subway system, serving key commercial, residential, and university areas of the city.
-
D.
Line 5
Line 5 is one of the lines of the Mexico City Metro system, serving multiple stations across the city as part of its rapid transit network.
-
E.
Line 5
Line 5 is one of the main lines of the Santiago Metro in Chile, running across several key districts and serving as a major east–west transit corridor in 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: Line 4 Target entity description: Line 4 is a rapid transit line of the Guangzhou Metro system in Guangzhou, China, serving key urban and suburban areas along its north–south corridor.
-
A.
Line 4
Line 4 is a route of Mexico City’s Metrobús bus rapid transit system that serves key corridors with dedicated lanes and high-capacity articulated buses.
-
B.
Line 4
Line 4 is a major line of the Santiago Metro in Chile, serving key residential and commercial areas in the southeastern part of the city.
-
C.
Line 4
Line 4 is a major north–south rapid transit route in the Beijing Subway system, serving key commercial, residential, and university areas of the city.
-
D.
Line 5
Line 5 is one of the main lines of the Santiago Metro in Chile, running across several key districts and serving as a major east–west transit corridor in the city.
-
E.
Line 5
Line 5 is a major north–south route of the Beijing Subway known for connecting key residential and commercial areas through the city center.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
rapid transit line ⓘ |
| cityServed | Guangzhou ⓘ |
| corridor | north–south corridor of Guangzhou ⓘ |
| country | China ⓘ |
| direction | north–south ⓘ |
| electrification |
DC
ⓘ
overhead line ⓘ |
| fareSystem | integrated with Guangzhou Metro ⓘ |
| gauge | standard gauge ⓘ |
| hasColor | green ⓘ |
| hasPlatformType |
island platforms
ⓘ
side platforms ⓘ |
| hasRouteType |
commuter
ⓘ
trunk corridor ⓘ |
| lineNumber | 4 ⓘ |
| locale | Pearl River Delta ⓘ |
| locatedIn |
China
ⓘ
Guangdong ⓘ
linked to:
Guangdong Province
Guangzhou ⓘ |
| numberOfTracks | 2 ⓘ |
| operator | Guangzhou Metro ⓘ |
| partOf | Guangzhou Metro ⓘ |
| rollingStockType | electric multiple unit ⓘ |
| safetySystem | automatic train protection ⓘ |
| serves |
key urban areas of Guangzhou
ⓘ
suburban areas of Guangzhou ⓘ |
| servicePattern |
suburban
ⓘ
urban ⓘ |
| system | Guangzhou Metro ⓘ |
| ticketing |
contactless smart card
ⓘ
single-journey token ⓘ |
| 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 4 Description of subject: Line 4 is a rapid transit line of the Guangzhou Metro system in Guangzhou, China, serving key urban and suburban areas along its north–south corridor.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.