Chengdu Metro Line 2
E555804
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Chengdu Metro Line 2 canonical | 2 |
| Line 2 East–West corridor | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5905913 — 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 2 Context triple: [Tianfu Square, transportConnection, Chengdu Metro Line 2]
-
A.
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.
-
B.
Guangzhou Metro Line 2
Guangzhou Metro Line 2 is a major north–south rapid transit line in Guangzhou, China, connecting key railway hubs, commercial districts, and residential areas across the city.
-
C.
Wuhan Metro Line 2
Wuhan Metro Line 2 is a major east–west rapid transit line in Wuhan, China, notable for being the city’s first cross-Yangtze River metro line and a key backbone of its urban rail network.
-
D.
Shanghai Metro Line 2
Shanghai Metro Line 2 is a major east–west rapid transit line in Shanghai that connects key commercial, financial, and transport hubs including the city’s main shopping streets and both international airports.
-
E.
Guangfo Line
The Guangfo Line is an intercity rapid transit route that connects the cities of Guangzhou and Foshan as part of the Guangzhou Metro system.
- 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 2 Target entity description: 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.
-
A.
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.
-
B.
Guangzhou Metro Line 2
Guangzhou Metro Line 2 is a major north–south rapid transit line in Guangzhou, China, connecting key railway hubs, commercial districts, and residential areas across the city.
-
C.
Wuhan Metro Line 2
Wuhan Metro Line 2 is a major east–west rapid transit line in Wuhan, China, notable for being the city’s first cross-Yangtze River metro line and a key backbone of its urban rail network.
-
D.
Shanghai Metro Line 2
Shanghai Metro Line 2 is a major east–west rapid transit line in Shanghai that connects key commercial, financial, and transport hubs including the city’s main shopping streets and both international airports.
-
E.
Guangfo Line
The Guangfo Line is an intercity rapid transit route that connects the cities of Guangzhou and Foshan as part of the Guangzhou Metro system.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
public transport infrastructure ⓘ |
| accessibility | barrier-free access at most stations ⓘ |
| connects |
Chengdu East Railway Station
NERFINISHED
ⓘ
Chengdu Railway Station vicinity ⓘ Chengdu’s eastern suburbs ⓘ Chengdu’s western suburbs ⓘ Tianfu Square area NERFINISHED ⓘ |
| connectsTo |
airport bus and other surface transit at key hubs
ⓘ
urban bus network in Chengdu ⓘ |
| country | China ⓘ |
| direction | east–west ⓘ |
| electrification | overhead line ⓘ |
| fareCollection | automatic fare collection system ⓘ |
| fareSystem | integrated with Chengdu Metro fare system ⓘ |
| hasDepot | Chengdu Metro Line 2 depot NERFINISHED ⓘ |
| hasRole | backbone east–west corridor of Chengdu Metro ⓘ |
| infrastructureType | mostly underground ⓘ |
| interchangeWith |
Chengdu Metro Line 1
NERFINISHED
ⓘ
Chengdu Metro Line 3 NERFINISHED ⓘ Chengdu Metro Line 4 NERFINISHED ⓘ Chengdu Metro Line 5 NERFINISHED ⓘ Chengdu Metro Line 7 NERFINISHED ⓘ Chengdu Metro Line 8 NERFINISHED ⓘ Chengdu Metro Line 9 NERFINISHED ⓘ |
| lineColor | blue ⓘ |
| locatedIn |
Chengdu
NERFINISHED
ⓘ
China ⓘ Sichuan Province NERFINISHED ⓘ |
| operator | Chengdu Metro Limited NERFINISHED ⓘ |
| owner | Chengdu Metro Limited NERFINISHED ⓘ |
| partOf | Chengdu urban rail transit network NERFINISHED ⓘ |
| primaryFunction | mass passenger transport ⓘ |
| regionServed |
central Chengdu
ⓘ
eastern Chengdu ⓘ western Chengdu ⓘ |
| safetySystem | platform screen doors at most stations ⓘ |
| serves |
commercial areas in Chengdu
ⓘ
residential areas in Chengdu ⓘ transport hubs in Chengdu ⓘ |
| serviceType | urban metro ⓘ |
| system | Chengdu Metro NERFINISHED ⓘ |
| ticketing |
supports QR code mobile tickets
ⓘ
supports contactless smart cards ⓘ |
| 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: Chengdu Metro Line 2 Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Line 2 East–West corridor