A8 motorway (Portugal)
E534673
The A8 motorway in Portugal is a major north–south highway linking Lisbon to the central-western coastal region, including cities such as Loures, Torres Vedras, and Leiria.
All labels observed (1)
| Label | Occurrences |
|---|---|
| A8 motorway (Portugal) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5530615 — 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: A8 motorway (Portugal) Context triple: [Portuguese national road network, hasComponent, A8 motorway (Portugal)]
-
A.
A6 motorway (Portugal)
The A6 motorway in Portugal is a major east–west highway linking Lisbon’s region to the Spanish border near Elvas, forming part of an important international route between Portugal and Spain.
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B.
A1 motorway (Portugal)
The A1 motorway in Portugal is the country’s main north–south highway, linking Lisbon to Porto and serving as a key backbone of national road transport.
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C.
A4 motorway (Portugal)
The A4 motorway in Portugal is a major east–west highway connecting Porto to the inland regions and toward the Spanish border, forming a key part of the country’s national road network.
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D.
A29 motorway (Portugal)
The A29 motorway in Portugal is a major coastal highway in the north of the country that runs roughly parallel to the A1, helping to connect Porto with several coastal towns and easing traffic along the Atlantic corridor.
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E.
A30 motorway (Portugal)
The A30 motorway in Portugal is a key highway that forms part of the country’s national road network, facilitating regional and intercity traffic.
- 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: A8 motorway (Portugal) Target entity description: The A8 motorway in Portugal is a major north–south highway linking Lisbon to the central-western coastal region, including cities such as Loures, Torres Vedras, and Leiria.
-
A.
A6 motorway (Portugal)
The A6 motorway in Portugal is a major east–west highway linking Lisbon’s region to the Spanish border near Elvas, forming part of an important international route between Portugal and Spain.
-
B.
A1 motorway (Portugal)
The A1 motorway in Portugal is the country’s main north–south highway, linking Lisbon to Porto and serving as a key backbone of national road transport.
-
C.
A4 motorway (Portugal)
The A4 motorway in Portugal is a major east–west highway connecting Porto to the inland regions and toward the Spanish border, forming a key part of the country’s national road network.
-
D.
A29 motorway (Portugal)
The A29 motorway in Portugal is a major coastal highway in the north of the country that runs roughly parallel to the A1, helping to connect Porto with several coastal towns and easing traffic along the Atlantic corridor.
-
E.
A30 motorway (Portugal)
The A30 motorway in Portugal is a key highway that forms part of the country’s national road network, facilitating regional and intercity traffic.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
highway
ⓘ
motorway ⓘ |
| connectsCity |
Leiria
NERFINISHED
ⓘ
Lisbon NERFINISHED ⓘ Loures NERFINISHED ⓘ Torres Vedras NERFINISHED ⓘ |
| connectsRegion |
Centro Region of Portugal
NERFINISHED
ⓘ
Lisbon metropolitan area NERFINISHED ⓘ |
| connectsTo |
Leiria
NERFINISHED
ⓘ
Lisbon NERFINISHED ⓘ Loures NERFINISHED ⓘ Torres Vedras NERFINISHED ⓘ |
| country | Portugal ⓘ |
| hasDirection | north–south ⓘ |
| hasJunctionWith |
A1 motorway (Portugal)
NERFINISHED
ⓘ
A17 motorway (Portugal) NERFINISHED ⓘ CRIL (Lisbon) NERFINISHED ⓘ IC2 (Portugal) NERFINISHED ⓘ |
| hasLanes | dual carriageway ⓘ |
| locatedIn | Portugal ⓘ |
| managedBy | Brisa – Auto-estradas de Portugal NERFINISHED ⓘ |
| partOf |
Portuguese motorway network
NERFINISHED
ⓘ
primary road network of Portugal ⓘ |
| passesNear |
Leiria
NERFINISHED
ⓘ
Loures NERFINISHED ⓘ Torres Vedras NERFINISHED ⓘ |
| roadNumber | A8 ⓘ |
| roadType | toll motorway ⓘ |
| servesRegion | central-western coastal region of Portugal ⓘ |
| startingPoint | Lisbon area NERFINISHED ⓘ |
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: A8 motorway (Portugal) Description of subject: The A8 motorway in Portugal is a major north–south highway linking Lisbon to the central-western coastal region, including cities such as Loures, Torres Vedras, and Leiria.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.