Linha Azul
E643655
Linha Azul is the Blue Line of the Lisbon Metro, a key rapid transit route serving several central and northern districts of Lisbon, Portugal.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Linha Azul canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7127060 — 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 Azul Context triple: [Blue Line (Lisbon Metro), alsoKnownAs, Linha Azul]
-
A.
Línea Dorada
Línea Dorada is Mexico City Metro’s Line 12, a major rapid transit line known for connecting the southeastern boroughs of the city and for its distinctive gold color designation.
-
B.
Unternehmen Blau
Unternehmen Blau was the German Wehrmacht’s 1942 summer offensive on the Eastern Front aimed at capturing the Soviet Union’s southern oil fields and the city of Stalingrad.
-
C.
Soir Bleu
Soir Bleu is a 1914 painting by American realist artist Edward Hopper that depicts a melancholic nighttime café scene with a clown and assorted patrons, reflecting themes of alienation and modern urban life.
-
D.
Linha de Passe
Linha de Passe is a Brazilian drama film that follows four brothers and their struggling single mother in São Paulo as they navigate poverty, ambition, and family tensions.
-
E.
Midnight Blue
"Midnight Blue" is a 1975 soft rock ballad co-written and performed by Melissa Manchester, with lyrics by Carole Bayer Sager, that became one of Manchester’s signature hits.
- 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 Azul Target entity description: Linha Azul is the Blue Line of the Lisbon Metro, a key rapid transit route serving several central and northern districts of Lisbon, Portugal.
-
A.
Línea Dorada
Línea Dorada is Mexico City Metro’s Line 12, a major rapid transit line known for connecting the southeastern boroughs of the city and for its distinctive gold color designation.
-
B.
Unternehmen Blau
Unternehmen Blau was the German Wehrmacht’s 1942 summer offensive on the Eastern Front aimed at capturing the Soviet Union’s southern oil fields and the city of Stalingrad.
-
C.
Soir Bleu
Soir Bleu is a 1914 painting by American realist artist Edward Hopper that depicts a melancholic nighttime café scene with a clown and assorted patrons, reflecting themes of alienation and modern urban life.
-
D.
Linha de Passe
Linha de Passe is a Brazilian drama film that follows four brothers and their struggling single mother in São Paulo as they navigate poverty, ambition, and family tensions.
-
E.
Midnight Blue
"Midnight Blue" is a 1975 soft rock ballad co-written and performed by Melissa Manchester, with lyrics by Carole Bayer Sager, that became one of Manchester’s signature hits.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Lisbon Metro line
ⓘ
rapid transit line ⓘ |
| color | blue ⓘ |
| connectsWith |
Linha Amarela
NERFINISHED
ⓘ
Linha Verde NERFINISHED ⓘ Linha Vermelha NERFINISHED ⓘ |
| country | Portugal ⓘ |
| electrification | 750 V DC third rail ⓘ |
| formerName | Linha da Gaivota NERFINISHED ⓘ |
| hasInterchangeAt |
Baixa-Chiado station
NERFINISHED
ⓘ
Jardim Zoológico station NERFINISHED ⓘ Marquês de Pombal station NERFINISHED ⓘ São Sebastião station NERFINISHED ⓘ |
| hasOwner | Metropolitano de Lisboa, EPE NERFINISHED ⓘ |
| hasRollingStock |
Lisbon Metro ML90 trains
NERFINISHED
ⓘ
Lisbon Metro ML95 trains NERFINISHED ⓘ Lisbon Metro ML97 trains NERFINISHED ⓘ Lisbon Metro ML99 trains NERFINISHED ⓘ |
| hasStation |
Alfornelos station
NERFINISHED
ⓘ
Alto dos Moinhos station NERFINISHED ⓘ Amadora Este station NERFINISHED ⓘ Avenida station NERFINISHED ⓘ Baixa-Chiado station NERFINISHED ⓘ Carnide station NERFINISHED ⓘ Colégio Militar/Luz station NERFINISHED ⓘ Jardim Zoológico station NERFINISHED ⓘ Laranjeiras station NERFINISHED ⓘ Marquês de Pombal station NERFINISHED ⓘ Parque station NERFINISHED ⓘ Pontinha station NERFINISHED ⓘ Praça de Espanha station NERFINISHED ⓘ Reboleira station NERFINISHED ⓘ Restauradores station NERFINISHED ⓘ Santa Apolónia station NERFINISHED ⓘ São Sebastião station NERFINISHED ⓘ Terreiro do Paço station NERFINISHED ⓘ |
| hasTerminus |
Reboleira station
NERFINISHED
ⓘ
Santa Apolónia station NERFINISHED ⓘ |
| locatedIn |
Lisbon
ⓘ
Portugal ⓘ |
| openingDate | 1959 ⓘ |
| partOf | Lisbon Metro NERFINISHED ⓘ |
| serves |
central districts of Lisbon
ⓘ
northern districts of Lisbon ⓘ |
| systemOperator | Metropolitano de Lisboa, EPE NERFINISHED ⓘ |
| trackGauge | 1435 mm standard gauge ⓘ |
| transportMode | metro ⓘ |
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 Azul Description of subject: Linha Azul is the Blue Line of the Lisbon Metro, a key rapid transit route serving several central and northern districts of Lisbon, Portugal.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Blue Line (Lisbon Metro)