Linha de Leixões
E318892
Linha de Leixões is a freight-focused railway line in the Porto metropolitan area of Portugal, connecting the Port of Leixões with the national rail network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Linha de Leixões canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2853861 — 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: Linha de Leixões Context triple: [Portuguese national rail network, includesLine, Linha de Leixões]
-
A.
Linha de Guimarães
Linha de Guimarães is a railway line in northern Portugal that connects Porto to the city of Guimarães, serving as an important regional passenger route.
-
B.
Linha de Cascais
Linha de Cascais is a coastal suburban railway line in the Lisbon metropolitan area of Portugal, connecting central Lisbon to the seaside town of Cascais.
-
C.
Linha do Alentejo
Linha do Alentejo is a Portuguese railway line that connects Lisbon to the Alentejo region, serving as an important route for both passenger and freight transport in southern Portugal.
-
D.
Linha de Sintra
Linha de Sintra is a heavily used suburban railway line serving commuter traffic between Lisbon and the Sintra region in Portugal.
-
E.
Linha da Beira Baixa
Linha da Beira Baixa is a Portuguese railway line that connects central inland regions to the rest of the country, running through the Beira Baixa area near the Spanish border.
- 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: Linha de Leixões Target entity description: Linha de Leixões is a freight-focused railway line in the Porto metropolitan area of Portugal, connecting the Port of Leixões with the national rail network.
-
A.
Linha de Guimarães
Linha de Guimarães is a railway line in northern Portugal that connects Porto to the city of Guimarães, serving as an important regional passenger route.
-
B.
Linha de Cascais
Linha de Cascais is a coastal suburban railway line in the Lisbon metropolitan area of Portugal, connecting central Lisbon to the seaside town of Cascais.
-
C.
Linha do Alentejo
Linha do Alentejo is a Portuguese railway line that connects Lisbon to the Alentejo region, serving as an important route for both passenger and freight transport in southern Portugal.
-
D.
Linha de Sintra
Linha de Sintra is a heavily used suburban railway line serving commuter traffic between Lisbon and the Sintra region in Portugal.
-
E.
Linha da Beira Baixa
Linha da Beira Baixa is a Portuguese railway line that connects central inland regions to the rest of the country, running through the Beira Baixa area near the Spanish border.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
freight railway line
ⓘ
railway line ⓘ |
| connects |
Port of Leixões
ⓘ
Portuguese inland rail network ⓘ |
| connectsWith |
Linha do Douro
ⓘ
Linha do Minho ⓘ national rail network of Portugal ⓘ |
| country | Portugal ⓘ |
| electrification | 25 kV 50 Hz AC overhead line ⓘ |
| gauge | Iberian gauge ⓘ |
| hasFunction | connect maritime port to inland rail network ⓘ |
| hasLanguage | Portuguese ⓘ |
| hasRouteType | suburban freight corridor ⓘ |
| locatedIn |
Norte Region
ⓘ
Porto metropolitan area ⓘ
linked to:
Metropolitan Area of Porto
|
| locatedInMunicipality |
Matosinhos
ⓘ
Porto ⓘ |
| numberOfTracks | single track ⓘ |
| openingDate | 1884 ⓘ |
| operatorType | freight rail operators ⓘ |
| owner | Infraestruturas de Portugal ⓘ |
| partOf |
Portuguese railway network
ⓘ
linked to:
Portuguese national rail network
|
| primaryUse | freight transport ⓘ |
| regionServed |
Greater Porto
ⓘ
linked to:
Porto
|
| serves |
Matosinhos
ⓘ
Port of Leixões ⓘ Porto ⓘ |
| status | in operation ⓘ |
| terminus |
Port of Leixões
ⓘ
Porto de Leixões freight yard ⓘ
linked to:
Port of Leixões
|
| trackGauge | 1668 mm ⓘ |
| usedFor |
bulk freight
ⓘ
container traffic ⓘ |
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: Linha de Leixões Description of subject: Linha de Leixões is a freight-focused railway line in the Porto metropolitan area of Portugal, connecting the Port of Leixões with the national rail network.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.