Line 9
E249581
Line 9 is a major Barcelona Metro line designed as a long, partially automated route connecting key suburban and airport areas with the wider metropolitan network.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T2280434 — 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 9 Context triple: [Barcelona Metro, hasLine, Line 9]
-
A.
Line 9
Line 9 is a rapid transit line of the Beijing Subway system that serves as part of the city's urban rail network.
-
B.
Line 9
Line 9 is a line of the Mexico City Metro system that serves as one of its key rapid transit routes across the city.
-
C.
Line 9
Line 9 is a rapid transit line of the Guangzhou Metro system serving parts of Guangzhou, China.
-
D.
Line 8
Line 8 is a route of Mexico City’s Metrobús bus rapid transit system, serving key corridors with dedicated lanes and station platforms.
-
E.
Line 8
Line 8 is a line of the Mexico City Metro system that runs in a generally north–south direction, connecting key residential and commercial 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 9 Target entity description: Line 9 is a major Barcelona Metro line designed as a long, partially automated route connecting key suburban and airport areas with the wider metropolitan network.
-
A.
Line 9
Line 9 is a rapid transit line of the Beijing Subway system that serves as part of the city's urban rail network.
-
B.
Line 9
Line 9 is a line of the Mexico City Metro system that serves as one of its key rapid transit routes across the city.
-
C.
Line 9
Line 9 is a rapid transit line of the Guangzhou Metro system serving parts of Guangzhou, China.
-
D.
Line 8
Line 8 is a route of Mexico City’s Metrobús bus rapid transit system, serving key corridors with dedicated lanes and station platforms.
-
E.
Line 8
Line 8 is a line of the Mexico City Metro system that runs in a generally north–south direction, connecting key residential and commercial areas of the city.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
rapid transit line ⓘ |
| character | underground ⓘ |
| colorOnMap | orange ⓘ |
| connectsWith |
Line 1 (Barcelona Metro)
ⓘ
linked to:
Barcelona Metro L1
Line 10 (Barcelona Metro) ⓘ Line 2 (Barcelona Metro) ⓘ
linked to:
Barcelona Metro Line 2
Line 3 (Barcelona Metro) ⓘ Line 4 (Barcelona Metro) ⓘ Line 5 (Barcelona Metro) ⓘ Line 8 (Barcelona Metro / FGC) ⓘ Rodalies de Catalunya commuter rail ⓘ
linked to:
Rodalies de Catalunya
Trambaix ⓘ Trambesòs ⓘ |
| constructionStatus | partially under construction ⓘ |
| designedTo |
connect airport with metropolitan network
ⓘ
improve connectivity of peripheral municipalities ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareSystem | Autoritat del Transport Metropolità integrated fare system ⓘ |
| hasSection |
L9 Nord
ⓘ
L9 Sud ⓘ |
| locatedIn |
Barcelona
ⓘ
Catalonia ⓘ Spain ⓘ |
| operatedBy | Transports Metropolitans de Barcelona ⓘ |
| owner |
Generalitat de Catalunya
ⓘ
linked to:
Government of Catalonia
|
| partOf | Barcelona Metro ⓘ |
| plannedAs | long cross-city line ⓘ |
| serves |
Badalona
ⓘ
Barcelona Airport Terminal 1 ⓘ
linked to:
Barcelona El Prat Airport
Barcelona Airport Terminal 2 ⓘ
linked to:
Barcelona El Prat Airport
Barcelona–El Prat Airport ⓘ
linked to:
Barcelona El Prat Airport
Bon Pastor area ⓘ Can Zam area ⓘ El Prat de Llobregat ⓘ Gorg area ⓘ La Sagrera area ⓘ L’Hospitalet de Llobregat ⓘ Santa Coloma de Gramenet ⓘ Zona Universitària area ⓘ suburban areas of Barcelona metropolitan region ⓘ |
| sharesInfrastructureWith | Line 10 (Barcelona Metro) ⓘ |
| shortName |
L9
ⓘ
linked to:
L9 Sud
|
| status | partially open ⓘ |
| trackGauge | 1,435 mm standard gauge ⓘ |
| usesTechnology |
automatic train operation
ⓘ
driverless operation ⓘ |
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 9 Description of subject: Line 9 is a major Barcelona Metro line designed as a long, partially automated route connecting key suburban and airport areas with the wider metropolitan network.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Line 9