Chengdu Metro Line 3
E562454
Chengdu Metro Line 3 is a major rapid transit line in Chengdu’s metro system that connects key commercial, residential, and cultural areas across the city.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Chengdu Metro Line 3 canonical | 5 |
| Line 3 (Chengdu Metro) | 1 |
| 成都地铁3号线 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5974270 — 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: Chengdu Metro Line 3 Context triple: [Chunxi Road, servedBy, Chengdu Metro Line 3]
-
A.
Chengdu Metro Line 2
Chengdu Metro Line 2 is a major east–west rapid transit line in Chengdu’s metro system, connecting key commercial, residential, and transport hubs across the city.
-
B.
Chengdu Metro Line 1
Chengdu Metro Line 1 is a major north–south rapid transit line in Chengdu, China, connecting key commercial and administrative areas across the city.
-
C.
Guangzhou Metro Line 3
Guangzhou Metro Line 3 is a major rapid transit line in Guangzhou, China, known for its high passenger volume and for linking key urban areas with the city's international airport.
-
D.
Shanghai Metro Line 3
Shanghai Metro Line 3 is a major elevated north–south rapid transit line in Shanghai, China, known for connecting key railway hubs and urban districts across the city.
-
E.
Wuhan Metro Line 3
Wuhan Metro Line 3 is a rapid transit line in Wuhan, China, forming part of the city's urban rail network and connecting key districts across the metropolitan area.
- 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: Chengdu Metro Line 3 Target entity description: Chengdu Metro Line 3 is a major rapid transit line in Chengdu’s metro system that connects key commercial, residential, and cultural areas across the city.
-
A.
Chengdu Metro Line 2
Chengdu Metro Line 2 is a major east–west rapid transit line in Chengdu’s metro system, connecting key commercial, residential, and transport hubs across the city.
-
B.
Chengdu Metro Line 1
Chengdu Metro Line 1 is a major north–south rapid transit line in Chengdu, China, connecting key commercial and administrative areas across the city.
-
C.
Guangzhou Metro Line 3
Guangzhou Metro Line 3 is a major rapid transit line in Guangzhou, China, known for its high passenger volume and for linking key urban areas with the city's international airport.
-
D.
Shanghai Metro Line 3
Shanghai Metro Line 3 is a major elevated north–south rapid transit line in Shanghai, China, known for connecting key railway hubs and urban districts across the city.
-
E.
Wuhan Metro Line 3
Wuhan Metro Line 3 is a rapid transit line in Wuhan, China, forming part of the city's urban rail network and connecting key districts across the metropolitan area.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
public transport infrastructure ⓘ |
| character | underground ⓘ |
| color | pink ⓘ |
| connectsAreaType |
commercial areas
ⓘ
cultural areas ⓘ residential areas ⓘ |
| connectsTo |
Chengdu Metro Line 1
ⓘ
Chengdu Metro Line 10 ⓘ Chengdu Metro Line 2 ⓘ Chengdu Metro Line 4 ⓘ Chengdu Metro Line 5 ⓘ Chengdu Metro Line 7 ⓘ |
| country | China ⓘ |
| electrification |
1500 V DC
ⓘ
overhead line ⓘ |
| fareSystem | distance-based fare ⓘ |
| gauge | standard gauge ⓘ |
| hasFeature |
accessibility facilities for disabled passengers
ⓘ
air-conditioned trains ⓘ real-time passenger information displays ⓘ security screening at stations ⓘ |
| hasRollingStockType | Type B metro trains ⓘ |
| isMajorLineIn |
Chengdu Metro network
ⓘ
linked to:
Chengdu Metro
|
| languageOfSignage |
Chinese
ⓘ
English ⓘ |
| lineNumber | 3 ⓘ |
| locatedIn |
Chengdu
ⓘ
China ⓘ Sichuan Province ⓘ |
| numberOfTracks | 2 ⓘ |
| operator | Chengdu Metro Limited ⓘ |
| owner |
Chengdu Rail Transit Group
ⓘ
linked to:
Chengdu Metro Limited
|
| partOf | Chengdu Metro ⓘ |
| platformType | island platforms ⓘ |
| primaryFunction | urban mass transit ⓘ |
| regionServed |
central Chengdu
ⓘ
suburban districts of Chengdu ⓘ |
| safetySystem |
automatic train operation
ⓘ
automatic train protection ⓘ |
| servesCity | Chengdu ⓘ |
| system | Chengdu Metro ⓘ |
| ticketing |
contactless smart card
ⓘ
single-journey token ⓘ |
| 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: Chengdu Metro Line 3 Description of subject: Chengdu Metro Line 3 is a major rapid transit line in Chengdu’s metro system that connects key commercial, residential, and cultural areas across the city.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Chengdu Metro Line 3
linked to: Chengdu Metro Line 3