Linha de Aveiro
E319875
Linha de Aveiro is a suburban railway line in northern Portugal that connects Porto with the coastal city of Aveiro as part of the Porto urban rail network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Linha de Aveiro canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2893874 — 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 Aveiro Context triple: [Urbanos do Porto, hasLine, Linha de Aveiro]
-
A.
Linha de Leixões
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.
-
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 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.
-
D.
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.
-
E.
Linha de Sintra
Linha de Sintra is a heavily used suburban railway line serving commuter traffic between Lisbon and the Sintra region in Portugal.
- 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 Aveiro Target entity description: Linha de Aveiro is a suburban railway line in northern Portugal that connects Porto with the coastal city of Aveiro as part of the Porto urban rail network.
-
A.
Linha de Leixões
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.
-
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 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.
-
D.
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.
-
E.
Linha de Sintra
Linha de Sintra is a heavily used suburban railway line serving commuter traffic between Lisbon and the Sintra region in Portugal.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
railway line in Portugal
ⓘ
suburban railway line ⓘ |
| connects |
Aveiro
ⓘ
Porto ⓘ |
| country | Portugal ⓘ |
| electrification | 25 kV 50 Hz AC overhead line ⓘ |
| endStation | Aveiro railway station ⓘ |
| gauge | Iberian gauge ⓘ |
| hasService |
Porto commuter rail system
ⓘ
surface form:
urban trains of Porto
|
| languageOfName | Portuguese ⓘ |
| locatedIn | northern Portugal ⓘ |
| namedAfter | Aveiro ⓘ |
| operator | Comboios de Portugal ⓘ |
| owner | Infraestruturas de Portugal ⓘ |
| partOf |
Linha do Norte
ⓘ
Porto Metro ⓘ
surface form:
Porto urban rail network
|
| primaryUse | commuter traffic ⓘ |
| railNetwork |
Porto commuter rail system
ⓘ
surface form:
Porto suburban rail network
|
| regionServed |
Aveiro District
ⓘ
Porto District ⓘ |
| rollingStockUsed | electric multiple units ⓘ |
| servesCity |
Aveiro
ⓘ
Porto ⓘ |
| serviceType | suburban rail ⓘ |
| startStation |
Porto-Campanhã
ⓘ
surface form:
Porto Campanhã
Porto São Bento ⓘ |
| terminus |
Aveiro
ⓘ
Porto ⓘ |
| trackConfiguration | double track ⓘ |
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 Aveiro Description of subject: Linha de Aveiro is a suburban railway line in northern Portugal that connects Porto with the coastal city of Aveiro as part of the Porto urban rail network.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.