Line 4
E390791
Line 4 is a route of the Tunis Metro light rail network serving parts of the Tunis metropolitan area in Tunisia.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 4 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3758673 — 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 4 Context triple: [Tunis Metro, hasLine, Line 4]
-
A.
Line 4
Line 4 is a route of Mexico City’s Metrobús bus rapid transit system that serves key corridors with dedicated lanes and high-capacity articulated buses.
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B.
Line 4
Line 4 is a major line of the Santiago Metro in Chile, serving key residential and commercial areas in the southeastern part of the city.
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C.
Line 4
Line 4 is a major north–south rapid transit route in the Beijing Subway system, serving key commercial, residential, and university areas of the city.
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D.
Line 4
Line 4 is a rapid transit line of the Guangzhou Metro system in Guangzhou, China, serving key urban and suburban areas along its north–south corridor.
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E.
Line 4
Line 4 is one of the main lines of the Tehran Metro rapid transit system, serving key east–west corridors across Iran’s capital city.
- 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 4 Target entity description: Line 4 is a route of the Tunis Metro light rail network serving parts of the Tunis metropolitan area in Tunisia.
-
A.
Line 4
Line 4 is a rapid transit line of the Barcelona Metro network that serves several central and coastal neighborhoods in the city.
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B.
Line 4
Line 4 is one of the main north–south lines of the Paris Métro, known for serving central Paris and connecting key railway stations and neighborhoods.
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C.
Line 4
Line 4 is a planned rapid transit route within the future Ho Chi Minh City Metro system in Vietnam.
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D.
Line 4
Line 4 is a circular rapid transit route of the Shanghai Metro system that loops around central districts and provides key transfer connections across the network.
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E.
Line 4
Line 4 is a major line of the Santiago Metro in Chile, serving key residential and commercial areas in the southeastern part of the city.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
light rail line
ⓘ
public transport route ⓘ |
| belongsToSector |
rail transport
ⓘ
urban transport ⓘ |
| connects | various districts of Tunis metropolitan area ⓘ |
| continent | Africa ⓘ |
| country | Tunisia ⓘ |
| fareSystem | Tunis Metro fare system ⓘ |
| hasGauge | metre gauge (inferred from Tunis Metro) ⓘ |
| hasInfrastructureOwner |
Société des Transports de Tunis
ⓘ
surface form:
Tunis transport authorities
|
| hasOperator | Tunis Metro operator ⓘ |
| hasRollingStockType | light rail vehicles ⓘ |
| hasRouteNumber | 4 ⓘ |
| isElectrified | yes ⓘ |
| isNumberedLineOf | Tunis Metro ⓘ |
| isPassengerService | yes ⓘ |
| isUrbanRail | yes ⓘ |
| languageOfName |
Arabic
ⓘ
French ⓘ |
| locatedIn |
Tunis
ⓘ
Greater Tunis agglomeration ⓘ
surface form:
Tunis metropolitan area
Tunisia ⓘ |
| modeOfTransport | light rail ⓘ |
| operatesInCity | Tunis ⓘ |
| partOf | Tunis Metro ⓘ |
| primaryUse | public passenger transport ⓘ |
| railwayType | urban light rail ⓘ |
| serves | parts of the Tunis metropolitan area ⓘ |
| systemType | metro light rail ⓘ |
| transportNetwork |
Tunis Metro
ⓘ
surface form:
Tunis Metro light rail network
|
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 4 Description of subject: Line 4 is a route of the Tunis Metro light rail network serving parts of the Tunis metropolitan area in Tunisia.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.