Line 2
E368203
Line 2 is a planned second rapid transit line of the Turin Metro system in Turin, Italy, intended to expand the city's urban rail network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 2 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3515773 — 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 2 Context triple: [Turin Metro, line, Line 2]
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A.
Line 2
Line 2 is one of the main lines of the Santiago Metro in Chile, running in a generally north–south direction and serving several central and densely populated areas of the city.
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B.
Line 2
Line 2 is a major east–west rapid transit route of the Shanghai Metro that connects key commercial, residential, and airport hubs across the city.
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C.
Line 2
Line 2 is a trolleybus route within Geneva’s public transport system that serves as one of the city’s main electric bus lines.
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D.
Line 2
Line 2 is a rapid transit line of the Barcelona Metro system that serves several central and northern neighborhoods of the city.
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E.
Line 2
Line 2 is a major route of Mexico City’s Metrobús bus rapid transit system, running along key thoroughfares to connect important residential and commercial areas.
- 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 2 Target entity description: Line 2 is a planned second rapid transit line of the Turin Metro system in Turin, Italy, intended to expand the city's urban rail network.
-
A.
Line 2
Line 2 is a rapid transit line of the Barcelona Metro system that serves several central and northern neighborhoods of the city.
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B.
Line 2
Line 2 is a planned rapid transit route of the Ho Chi Minh City Metro intended to connect key urban districts and relieve traffic congestion in Vietnam’s largest city.
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C.
Line 2
Line 2 is a major east–west rapid transit route of the Shanghai Metro that connects key commercial, residential, and airport hubs across the city.
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D.
Line 2
Line 2 is one of the main rapid transit routes of the Athens Metro, connecting key central and suburban areas of the Greek capital.
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E.
Line 2
Line 2 is a major subway line on Toronto's Bloor–Danforth corridor, running primarily east–west across the city.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
rapid transit line ⓘ |
| cityServed | Turin ⓘ |
| country | Italy ⓘ |
| designGoal |
improve public transport capacity in Turin
ⓘ
reduce road traffic congestion in Turin ⓘ |
| electrification | electric traction ⓘ |
| fareSystem | integrated Turin public transport fares ⓘ |
| infrastructureType |
grade-separated transit line
ⓘ
underground railway ⓘ |
| intendedFunction |
expand the Turin urban rail network
ⓘ
increase metro coverage in Turin ⓘ |
| lineNumber | 2 ⓘ |
| locatedIn |
Italy
ⓘ
Piedmont ⓘ Turin ⓘ |
| networkRole | second line of the Turin Metro ⓘ |
| operator | Gruppo Torinese Trasporti ⓘ |
| owner |
Turin
ⓘ
surface form:
City of Turin
|
| partOf | Turin Metro ⓘ |
| planningStatus | under development ⓘ |
| purpose |
public transit
ⓘ
urban rail transport ⓘ |
| regionServed | metropolitan area of Turin ⓘ |
| safetySystem | automatic train control ⓘ |
| serviceType | metro ⓘ |
| status | planned ⓘ |
| systemType | rapid transit ⓘ |
| trackGauge | standard gauge ⓘ |
| transportMode | rail ⓘ |
| transportNetwork |
Turin Metro
ⓘ
surface form:
Turin Metro system
|
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 2 Description of subject: Line 2 is a planned second rapid transit line of the Turin Metro system in Turin, Italy, intended to expand the city's urban rail network.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.