Line F
E1009587
Line F is one of the routes of the Porto Metro light rail network in Porto, Portugal, serving as part of the city's urban and suburban public transit system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line F canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T12883104 — 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 F Context triple: [Porto Metro, hasLine, Line F]
-
A.
Line F
Line F is one of the routes of the Strasbourg tramway network, providing urban light-rail transit service within the city and its surroundings.
-
B.
Line B
Line B is one of the main rapid transit lines of the Medellín Metro system, serving several neighborhoods in the Aburrá Valley metropolitan area.
-
C.
Line B
Line B is a major Mexico City Metro route that runs diagonally across the city, connecting central areas with northeastern suburbs and serving as an important commuter corridor.
-
D.
Line B
Line B is one of the main tram routes in the Reims tramway network in Reims, France, providing urban public transport across key areas of the city.
-
E.
Line B
Line B is one of the main lines of the Buenos Aires Underground, running through key commercial and residential areas of the 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 F Target entity description: Line F is one of the routes of the Porto Metro light rail network in Porto, Portugal, serving as part of the city's urban and suburban public transit system.
-
A.
Line F
Line F is one of the routes of the Strasbourg tramway network, providing urban light-rail transit service within the city and its surroundings.
-
B.
Line B
Line B is one of the main rapid transit lines of the Medellín Metro system, serving several neighborhoods in the Aburrá Valley metropolitan area.
-
C.
Line B
Line B is a major Mexico City Metro route that runs diagonally across the city, connecting central areas with northeastern suburbs and serving as an important commuter corridor.
-
D.
Line B
Line B is one of the main lines of the Buenos Aires Underground, running through key commercial and residential areas of the city.
-
E.
Line B
Line B is one of the main routes of the Strasbourg tramway network, serving key districts and connecting important transit hubs across the city.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
light rail line
ⓘ
public transport route ⓘ |
| connects | city of Porto with its suburbs ⓘ |
| country | Portugal ⓘ |
| electrification | overhead line ⓘ |
| fareSystem | Andante ⓘ |
| hasColor | designated line color in Porto Metro maps ⓘ |
| hasRouteDesignation | F ⓘ |
| hasStations | multiple stations along its route in Porto metropolitan area ⓘ |
| isInService | true ⓘ |
| locatedIn |
Porto
ⓘ
Portugal ⓘ |
| network |
Porto Metro light rail network
ⓘ
linked to:
Porto Metro
|
| operatedBy |
Metro do Porto
ⓘ
linked to:
Porto Metro
|
| ownedBy | public transport authorities in Porto region ⓘ |
| partOf |
Porto Metro
ⓘ
urban public transit system of Porto ⓘ |
| serves |
suburban areas around Porto
ⓘ
urban areas of Porto ⓘ |
| system | Porto Metro ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | light rail ⓘ |
| transportMode | rail ⓘ |
| uses | light rail vehicles ⓘ |
| usesTicketingSystem | integrated with other Porto Metro lines ⓘ |
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 F Description of subject: Line F is one of the routes of the Porto Metro light rail network in Porto, Portugal, serving as part of the city's urban and suburban public transit system.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.