Nord-Sud Line B
E414193
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.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Nord-Sud Line B canonical | 4 |
| Ligne B du Nord-Sud | 1 |
| Line 13 of the Nord-Sud Company | 1 |
| Line 2 Sud | 1 |
| Line B of the Nord-Sud Company | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4109050 — 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: Nord-Sud Line B Context triple: [Paris Métro Line 13, formerName, Nord-Sud Line B]
-
A.
Metro Line 5
Metro Line 5 is a rapid transit route within a city's metro system that connects with Metro Line 6 at one or more interchange stations.
-
B.
Metro Line 4
Metro Line 4 is a rapid transit route within a city's metro system that connects with other lines, including Metro Line 6, to facilitate passenger transfers across the network.
-
C.
Metro Line 3
Metro Line 3 is a major Mexico City Metro route that runs north–south across the city, connecting key residential and commercial areas including the Gustavo A. Madero borough.
-
D.
S5 line
The S5 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt metropolitan area, connecting central Frankfurt with its surrounding suburbs.
-
E.
S6 line
The S6 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt metropolitan area and connecting central Frankfurt with surrounding suburbs and towns.
- 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: Nord-Sud Line B Target entity description: 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.
-
A.
Metro Line 5
Metro Line 5 is a rapid transit route within a city's metro system that connects with Metro Line 6 at one or more interchange stations.
-
B.
Metro Line 4
Metro Line 4 is a rapid transit route within a city's metro system that connects with other lines, including Metro Line 6, to facilitate passenger transfers across the network.
-
C.
Metro Line 3
Metro Line 3 is a major Mexico City Metro route that runs north–south across the city, connecting key residential and commercial areas including the Gustavo A. Madero borough.
-
D.
S5 line
The S5 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt metropolitan area, connecting central Frankfurt with its surrounding suburbs.
-
E.
S6 line
The S6 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt metropolitan area and connecting central Frankfurt with surrounding suburbs and towns.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
Paris Métro line
ⓘ
rapid transit line ⓘ |
| alsoKnownAs |
Ligne B du Nord-Sud
ⓘ
linked to:
Nord-Sud Line B
|
| category | defunct railway line name ⓘ |
| cityServed | Paris ⓘ |
| countryServed | France ⓘ |
| direction | north–south ⓘ |
| fareSystem | Île-de-France public transport tariff system ⓘ |
| gauge | standard gauge ⓘ |
| hasOwnerSuccessor |
Compagnie du chemin de fer métropolitain de Paris
ⓘ
Régie autonome des transports parisiens ⓘ
linked to:
RATP group
|
| hasRollingStockType | electric multiple unit ⓘ |
| hasTrackConfiguration | double track ⓘ |
| historicalStatus | former name of Paris Métro Line 13 ⓘ |
| locatedIn |
France
ⓘ
Paris ⓘ |
| network |
Paris Métro network
ⓘ
linked to:
Paris Metro
|
| operatedBy | Compagnie du chemin de fer électrique souterrain Nord-Sud de Paris ⓘ |
| originalNameOf | Paris Métro Line 13 NERFINISHED ⓘ |
| partOf |
Paris Métro
ⓘ
linked to:
Paris Metro
|
| publicTransportType | urban rail ⓘ |
| railwaySignalling | metro signalling ⓘ |
| servedRegion |
Île-de-France
ⓘ
linked to:
Île-de-France region
|
| successor | Paris Métro Line 13 NERFINISHED ⓘ |
| transportMode | subway ⓘ |
| usesElectrification | third rail ⓘ |
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: Nord-Sud Line B Description of subject: 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.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Paris Metro line 13
linked to: Nord-Sud Line B
linked to: Nord-Sud Line B
Compagnie du chemin de fer électrique souterrain Nord-Sud de Paris
→
operatedLine
→
Nord-Sud Line B
ⓘ
linked to: Nord-Sud Line B
linked to: Nord-Sud Line B