Line D
E1009585
Line D is a major route of the Porto Metro light rail network in Porto, Portugal, connecting key areas of the city and its suburbs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line D canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12883102 — 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 D Context triple: [Porto Metro, hasLine, Line D]
-
A.
Line D
Line D is one of the main rapid transit lines of the Buenos Aires Underground, running through several central and northern neighborhoods of Argentina’s capital.
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B.
Line D
Line D is one of the main routes of the Strasbourg tramway network, connecting key districts of the city and serving as an important corridor for daily commuters and visitors.
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C.
Line B
Line B is one of the main rapid transit lines of the Medellín Metro system, serving several neighborhoods in the Aburrá Valley metropolitan area.
-
D.
Line B
Line B is a major Mexico City Metro route that runs diagonally across the city, connecting central areas with northeastern suburbs and serving as an important commuter corridor.
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E.
Line B
Line B is one of the main lines of the Buenos Aires Underground, running through key commercial and residential areas of 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 D Target entity description: Line D is a major route of the Porto Metro light rail network in Porto, Portugal, connecting key areas of the city and its suburbs.
-
A.
Line D
Line D is one of the main rapid transit lines of the Buenos Aires Underground, running through several central and northern neighborhoods of Argentina’s capital.
-
B.
Line D
Line D is one of the main routes of the Strasbourg tramway network, connecting key districts of the city and serving as an important corridor for daily commuters and visitors.
-
C.
Line B
Line B is one of the main rapid transit lines of the Medellín Metro system, serving several neighborhoods in the Aburrá Valley metropolitan area.
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D.
Line B
Line B is one of the main tram routes in the Reims tramway network in Reims, France, providing urban public transport across key areas of the city.
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E.
Line B
Line B is a major Mexico City Metro route that runs diagonally across the city, connecting central areas with northeastern suburbs and serving as an important commuter corridor.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
light rail line
ⓘ
metro line ⓘ |
| alsoKnownAs |
Linha D
NERFINISHED
ⓘ
Yellow Line NERFINISHED ⓘ |
| color | yellow ⓘ |
| connectsArea |
Porto northern suburbs
ⓘ
Vila Nova de Gaia suburbs ⓘ |
| country | Portugal ⓘ |
| crosses | Douro River NERFINISHED ⓘ |
| electrification | overhead line ⓘ |
| fareSystem | Andante NERFINISHED ⓘ |
| hasInterchange | Trindade station NERFINISHED ⓘ |
| hasStation |
Aliados station
NERFINISHED
ⓘ
Combatentes station NERFINISHED ⓘ Câmara de Gaia station NERFINISHED ⓘ D. João II station NERFINISHED ⓘ Faria Guimarães station NERFINISHED ⓘ General Torres station NERFINISHED ⓘ Hospital São João station NERFINISHED ⓘ IPO station NERFINISHED ⓘ Jardim do Morro station NERFINISHED ⓘ João de Deus station NERFINISHED ⓘ Marquês station NERFINISHED ⓘ Pólo Universitário station NERFINISHED ⓘ Santo Ovídio station NERFINISHED ⓘ São Bento station NERFINISHED ⓘ Trindade station NERFINISHED ⓘ |
| interchangesWith |
Line A (Porto Metro)
NERFINISHED
ⓘ
Line B (Porto Metro) NERFINISHED ⓘ Line C (Porto Metro) NERFINISHED ⓘ Line E (Porto Metro) NERFINISHED ⓘ Line F (Porto Metro) NERFINISHED ⓘ |
| locatedIn |
Porto
NERFINISHED
ⓘ
Portugal ⓘ |
| networkRole | north–south axis of Porto Metro ⓘ |
| openingDate | 2005 ⓘ |
| operator | Metro do Porto NERFINISHED ⓘ |
| partOf | Porto Metro NERFINISHED ⓘ |
| passesThrough |
Porto historic centre
NERFINISHED
ⓘ
university area of Porto ⓘ |
| region | Norte Region (Portugal) NERFINISHED ⓘ |
| serves |
Porto city centre
NERFINISHED
ⓘ
Vila Nova de Gaia NERFINISHED ⓘ |
| system | Porto Metro NERFINISHED ⓘ |
| terminus |
Hospital São João station
NERFINISHED
ⓘ
Santo Ovídio station NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| transportType | light rail ⓘ |
| usesBridge | Dom Luís I Bridge 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: Line D Description of subject: Line D is a major route of the Porto Metro light rail network in Porto, Portugal, connecting key areas of the city and its suburbs.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.