L9 Nord
E871724
L9 Nord is the northern branch of Barcelona Metro’s Line 9, serving various suburbs and connecting them to the city’s wider rapid transit network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| L9 Nord canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10574837 — 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: L9 Nord Context triple: [Line 9 (Barcelona Metro), hasSection, L9 Nord]
-
A.
Léaz
Léaz is a small French commune located in eastern France near the Swiss border, within the Ain department.
-
B.
Nord-Sud line A
Nord-Sud line A was the original name of what is now Paris Métro Line 12, a north–south underground railway line in Paris.
-
C.
Nord-Sud Line B
Nord-Sud Line B was the original name of what is now Paris Métro Line 13, a major north–south subway line in the French capital.
-
D.
Gribskov Line
The Gribskov Line is a Danish regional railway line in North Zealand that connects Hillerød with several coastal and rural towns, serving as an important local transport route and tourist line.
-
E.
S9 Line
The S9 Line is a suburban rapid transit line of the Nanjing Metro system in Nanjing, China, connecting the urban area with outlying districts.
- 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: L9 Nord Target entity description: L9 Nord is the northern branch of Barcelona Metro’s Line 9, serving various suburbs and connecting them to the city’s wider rapid transit network.
-
A.
Léaz
Léaz is a small French commune located in eastern France near the Swiss border, within the Ain department.
-
B.
Nord-Sud line A
Nord-Sud line A was the original name of what is now Paris Métro Line 12, a north–south underground railway line in Paris.
-
C.
Nord-Sud Line B
Nord-Sud Line B was the original name of what is now Paris Métro Line 13, a major north–south subway line in the French capital.
-
D.
Gribskov Line
The Gribskov Line is a Danish regional railway line in North Zealand that connects Hillerød with several coastal and rural towns, serving as an important local transport route and tourist line.
-
E.
S9 Line
The S9 Line is a suburban rapid transit line of the Nanjing Metro system in Nanjing, China, connecting the urban area with outlying districts.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
metro line branch
ⓘ
rapid transit line ⓘ |
| connectsWith | other Barcelona Metro lines ⓘ |
| country | Spain ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareSystem | Autoritat del Transport Metropolità integrated fare system ⓘ |
| hasBranchRelation | L9 Sud NERFINISHED ⓘ |
| hasDirection | north ⓘ |
| languageOfName | Catalan NERFINISHED ⓘ |
| lineColor | orange ⓘ |
| locatedIn | Barcelona metropolitan area NERFINISHED ⓘ |
| nameMeaning | Line 9 North NERFINISHED ⓘ |
| operator | Transports Metropolitans de Barcelona NERFINISHED ⓘ |
| partOf |
Barcelona Metro
NERFINISHED
ⓘ
Line 9 (Barcelona Metro) NERFINISHED ⓘ |
| role | connects suburbs to wider metro network ⓘ |
| serves |
Badalona
NERFINISHED
ⓘ
Santa Coloma de Gramenet NERFINISHED ⓘ municipalities in northern Barcelona metropolitan area ⓘ suburbs of Barcelona ⓘ |
| sharesLineNumberWith | L9 Sud NERFINISHED ⓘ |
| system | Barcelona Metro NERFINISHED ⓘ |
| transportMode | underground metro ⓘ |
| transportNetwork | Barcelona rapid transit network NERFINISHED ⓘ |
| uses | standard gauge track ⓘ |
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: L9 Nord Description of subject: L9 Nord is the northern branch of Barcelona Metro’s Line 9, serving various suburbs and connecting them to the city’s wider rapid transit network.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Line 9 (Barcelona Metro)