Line A
E1009583
Line A is one of the main routes of the Porto Metro light rail system in Porto, Portugal, connecting key urban and suburban areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line A canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T12883099 — 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 A Context triple: [Porto Metro, hasLine, Line A]
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A.
Line A
Line A is a line of the Mexico City Metro system that serves the eastern part of the metropolitan area, connecting central Mexico City with several suburban municipalities.
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B.
Line A
Line A is the main north–south rapid transit line of the Medellín Metro system in Colombia, serving as its busiest and most central corridor.
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C.
Line A
Line A is the primary route of the Bilbao tram system, serving key areas of the city with modern light rail service.
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D.
Line A
Line A is the historic first subway line of the Buenos Aires Underground, known for its early 20th-century wooden cars and route through central neighborhoods.
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E.
Line A
Line A is one of the main routes of the Strasbourg tramway network, providing key light-rail transit across 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 A Target entity description: Line A is one of the main routes of the Porto Metro light rail system in Porto, Portugal, connecting key urban and suburban areas.
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A.
Line A
Line A is the primary route of the Bilbao tram system, serving key areas of the city with modern light rail service.
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B.
Line A
Line A is one of the main routes of the Strasbourg tramway network, providing key light-rail transit across the city.
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C.
Line A
Line A is one of the main lines of the Prague Metro, running east–west through the city and serving several central and residential districts.
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D.
Line A
Line A is a principal route of the Orléans tramway system in France, providing urban light rail transit across key areas of the city.
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E.
Line A
Line A is a line of the Mexico City Metro system that serves the eastern part of the metropolitan area, connecting central Mexico City with several suburban municipalities.
- F. None of above. chosen
Statements (44)
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 A Description of subject: Line A is one of the main routes of the Porto Metro light rail system in Porto, Portugal, connecting key urban and suburban areas.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.