Line 1
E768290
Line 1 is a major rapid transit line of the Chongqing Metro system in Chongqing, China, providing east–west urban rail service across the city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 1 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8949101 — 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 1 Context triple: [Chongqing Metro, hasLine, Line 1]
-
A.
Line 1
Line 1 is the oldest and one of the busiest lines of the Santiago Metro, running primarily east–west across central Santiago, Chile.
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B.
Line 1
Line 1 is the oldest and one of the busiest lines of the Paris Métro, running primarily east–west through central Paris and serving many major landmarks.
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C.
Line 1
Line 1 is the first and main rapid transit line of the Seville Metro system in Seville, Spain, connecting key districts across the metropolitan area.
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D.
Line 1
Line 1 is the designation for the Red Line, one of the main rapid transit corridors of the Delhi Metro network in India.
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E.
Line 1
Line 1 is a major Milan Metro line that serves key areas of the city, including Milano Cadorna station.
- 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 1 Target entity description: Line 1 is a major rapid transit line of the Chongqing Metro system in Chongqing, China, providing east–west urban rail service across the city.
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A.
Line 1
Line 1 is a major rapid transit line of the Guangzhou Metro system in Guangzhou, China, serving as one of the city's primary east–west corridors.
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B.
Line 1
Line 1 is a major north–south rapid transit line of the Shanghai Metro and one of the system’s oldest and busiest routes.
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C.
Line 1
Line 1 is a major rapid transit line of the Shenzhen Metro system, serving as one of the city's primary east–west subway corridors.
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D.
Line 1
Line 1 is one of the main east–west rapid transit lines of the Beijing Subway, serving as a core corridor through central Beijing.
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E.
Line 1
Line 1 is one of the main lines of the Barcelona Metro rapid transit system, running on a largely east–west axis and serving several key districts of the city.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf | rapid transit line ⓘ |
| cityServed | Chongqing NERFINISHED ⓘ |
| continent | Asia ⓘ |
| country | China ⓘ |
| direction | east–west ⓘ |
| electrification |
DC 1500 V
ⓘ
overhead line ⓘ |
| fareSystem | integrated with Chongqing Rail Transit ⓘ |
| hasInterchangeWith |
Line 2 (Chongqing Rail Transit)
NERFINISHED
ⓘ
Line 3 (Chongqing Rail Transit) NERFINISHED ⓘ Line 6 (Chongqing Rail Transit) NERFINISHED ⓘ Loop Line (Chongqing Rail Transit) NERFINISHED ⓘ |
| hasTerminus |
Bishan Station
NERFINISHED
ⓘ
Chaotianmen Station NERFINISHED ⓘ Daxuecheng Station NERFINISHED ⓘ Jiaochangkou Station NERFINISHED ⓘ Shapingba Station NERFINISHED ⓘ |
| isPartOfNetwork | Chongqing urban rail transit network NERFINISHED ⓘ |
| lineColor | red ⓘ |
| locatedIn |
China
ⓘ
Chongqing NERFINISHED ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 2011 ⓘ |
| operator | Chongqing Rail Transit Corporation NERFINISHED ⓘ |
| owner | Chongqing Municipal Government NERFINISHED ⓘ |
| partOf | Chongqing Rail Transit NERFINISHED ⓘ |
| primaryFunction | urban passenger transport ⓘ |
| railwaySignalling | automatic train control ⓘ |
| servesRole | east–west corridor in Chongqing Metro ⓘ |
| serviceType |
rapid transit
ⓘ
urban rail ⓘ |
| system | Chongqing Metro NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | heavy rail ⓘ |
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 1 Description of subject: Line 1 is a major rapid transit line of the Chongqing Metro system in Chongqing, China, providing east–west urban rail service across the city.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.