Chengdu Metro Line 1
E554769
Chengdu Metro Line 1 is a major north–south rapid transit line in Chengdu, China, connecting key commercial and administrative areas across the city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chengdu Metro Line 1 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5905912 — 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 1 Context triple: [Tianfu Square, transportConnection, Chengdu Metro Line 1]
-
A.
Shanghai Metro Line 1
Shanghai Metro Line 1 is one of the main north–south rapid transit lines in Shanghai, China, connecting key commercial and residential districts across the city.
-
B.
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.
-
C.
Wuhan Metro Line 1
Wuhan Metro Line 1 is a major rapid transit line in Wuhan, China, forming part of the city's urban rail network and serving key districts along an east–west corridor.
-
D.
Chongqing Metro
Chongqing Metro is the rapid transit system serving the mountainous megacity of Chongqing, China, known for its extensive use of straddle-beam monorail lines and dramatic elevated tracks.
-
E.
Shenzhen Metro Line 1
Shenzhen Metro Line 1 is a major rapid transit line in Shenzhen’s metro system, running east–west across key districts and serving as one of the city’s primary urban transport 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: Chengdu Metro Line 1 Target entity description: Chengdu Metro Line 1 is a major north–south rapid transit line in Chengdu, China, connecting key commercial and administrative areas across the city.
-
A.
Shanghai Metro Line 1
Shanghai Metro Line 1 is one of the main north–south rapid transit lines in Shanghai, China, connecting key commercial and residential districts across the city.
-
B.
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.
-
C.
Wuhan Metro Line 1
Wuhan Metro Line 1 is a major rapid transit line in Wuhan, China, forming part of the city's urban rail network and serving key districts along an east–west corridor.
-
D.
Chongqing Metro
Chongqing Metro is the rapid transit system serving the mountainous megacity of Chongqing, China, known for its extensive use of straddle-beam monorail lines and dramatic elevated tracks.
-
E.
Shenzhen Metro Line 1
Shenzhen Metro Line 1 is a major rapid transit line in Shenzhen’s metro system, running east–west across key districts and serving as one of the city’s primary urban transport corridors.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
public transport infrastructure ⓘ |
| character | underground ⓘ |
| cityServed | Chengdu NERFINISHED ⓘ |
| color | blue ⓘ |
| connects |
northern Chengdu
ⓘ
southern Chengdu ⓘ |
| country | China ⓘ |
| depot |
Guangdu depot
NERFINISHED
ⓘ
Wangcong Temple depot NERFINISHED ⓘ |
| direction | north–south ⓘ |
| electrification |
1500 V DC
ⓘ
overhead line ⓘ |
| extension |
northern extension to Weijianian
ⓘ
southern extension to Guangdu ⓘ southern extension to Science City ⓘ |
| fareSystem | integrated with Chengdu Metro fare system ⓘ |
| firstPhaseOpeningDate | 2010-09-27 ⓘ |
| firstPhaseTerminusNorth | Shengxian Lake station NERFINISHED ⓘ |
| firstPhaseTerminusSouth | Sihe station NERFINISHED ⓘ |
| formerTerminusNorth | Shengxian Lake station NERFINISHED ⓘ |
| formerTerminusSouth | Guangdu station NERFINISHED ⓘ |
| gauge | standard gauge ⓘ |
| interchangeWith |
Chengdu Metro Line 10
NERFINISHED
ⓘ
Chengdu Metro Line 2 NERFINISHED ⓘ Chengdu Metro Line 3 NERFINISHED ⓘ Chengdu Metro Line 4 NERFINISHED ⓘ Chengdu Metro Line 7 NERFINISHED ⓘ |
| lineNumber | 1 ⓘ |
| locatedIn |
Chengdu
NERFINISHED
ⓘ
China ⓘ Sichuan Province NERFINISHED ⓘ |
| numberOfTracks | 2 ⓘ |
| openedInYear | 2010 ⓘ |
| openingDate | 2010-09-27 ⓘ |
| operator | Chengdu Metro Limited NERFINISHED ⓘ |
| owner | Chengdu Metro Limited NERFINISHED ⓘ |
| partOf | Chengdu Metro network NERFINISHED ⓘ |
| serves |
administrative areas of Chengdu
ⓘ
commercial areas of Chengdu ⓘ |
| servesStation |
Jinjiang Hotel station
NERFINISHED
ⓘ
Sichuan Gymnasium station NERFINISHED ⓘ South Railway Station NERFINISHED ⓘ Tianfu Square station NERFINISHED ⓘ |
| signallingSystem | CBTC NERFINISHED ⓘ |
| system | Chengdu Metro NERFINISHED ⓘ |
| terminusNorth | Weijianian station NERFINISHED ⓘ |
| terminusSouth | Science City station NERFINISHED ⓘ |
| 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 1 Description of subject: Chengdu Metro Line 1 is a major north–south rapid transit line in Chengdu, China, connecting key commercial and administrative areas across the city.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.