A49 motorway (Portugal)
E549155
The A49 motorway in Portugal is a regional highway that forms part of the country’s national road network, providing improved connectivity and traffic flow in its service area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| A49 motorway (Portugal) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5530638 — 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: A49 motorway (Portugal) Context triple: [Portuguese national road network, hasComponent, A49 motorway (Portugal)]
-
A.
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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B.
A41 motorway (Portugal)
The A41 motorway in Portugal is a key orbital highway serving the Porto metropolitan area, linking major radial routes and facilitating regional and airport access.
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C.
A42 motorway (Portugal)
The A42 motorway in Portugal is a key highway in the Porto metropolitan area that links inland regions to the main northern transport corridors.
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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.
A19 motorway (Portugal)
The A19 motorway in Portugal is a key regional highway that connects the city of Leiria to surrounding areas, improving access and traffic flow in the Centro Region.
- 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: A49 motorway (Portugal) Target entity description: The A49 motorway in Portugal is a regional highway that forms part of the country’s national road network, providing improved connectivity and traffic flow in its service area.
-
A.
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.
-
B.
A41 motorway (Portugal)
The A41 motorway in Portugal is a key orbital highway serving the Porto metropolitan area, linking major radial routes and facilitating regional and airport access.
-
C.
A42 motorway (Portugal)
The A42 motorway in Portugal is a key highway in the Porto metropolitan area that links inland regions to the main northern transport corridors.
-
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.
A19 motorway (Portugal)
The A19 motorway in Portugal is a key regional highway that connects the city of Leiria to surrounding areas, improving access and traffic flow in the Centro Region.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf |
motorway
ⓘ
road infrastructure ⓘ |
| belongsToNetwork | Portuguese motorway network ⓘ |
| country | Portugal ⓘ |
| function |
improves traffic flow in its service area
ⓘ
provides improved connectivity in its service area ⓘ |
| hasAccess | motor vehicles ⓘ |
| locatedIn | Portugal ⓘ |
| maintainedBy |
Portuguese road authorities
ⓘ
linked to:
Portuguese Ministry of Infrastructure
|
| networkRole | regional connector ⓘ |
| partOf | Portuguese national road network ⓘ |
| regulation | subject to Portuguese road traffic law ⓘ |
| roadType | regional motorway ⓘ |
| surface | paved ⓘ |
| usedFor | road transport ⓘ |
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: A49 motorway (Portugal) Description of subject: The A49 motorway in Portugal is a regional highway that forms part of the country’s national road network, providing improved connectivity and traffic flow in its service area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.