Nord-Sud Company
E777569
Nord-Sud Company was a private early 20th-century Parisian metro operator that built and ran several underground lines before being absorbed into the city’s unified transport network.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Nord-Sud Company canonical | 9 |
| Nord-Sud Company Line A | 1 |
| Nord-Sud Company network | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9088893 — 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 Company Context triple: [Paris Métro line 12, formerOperator, Nord-Sud Company]
-
A.
United Company
United Company was a prominent late 17th-century London theatre company formed by the merger of the King’s Company and the Duke’s Company, active during the Restoration period.
-
B.
Murray & Roberts
Murray & Roberts is a major South African engineering and construction group known for delivering large, complex infrastructure and building projects worldwide.
-
C.
Tractebel
Tractebel is an international engineering and consulting company specializing in energy, water, and infrastructure projects.
-
D.
Compagnie du Mont-Blanc
Compagnie du Mont-Blanc is a French company that operates major ski lifts, mountain railways, and tourist facilities in the Mont Blanc massif around Chamonix.
-
E.
Branobel
Branobel was a major late-19th-century oil company based in the Russian Empire, founded by members of the Nobel family and influential in the early global petroleum industry.
- 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 Company Target entity description: Nord-Sud Company was a private early 20th-century Parisian metro operator that built and ran several underground lines before being absorbed into the city’s unified transport network.
-
A.
United Company
United Company was a prominent late 17th-century London theatre company formed by the merger of the King’s Company and the Duke’s Company, active during the Restoration period.
-
B.
Murray & Roberts
Murray & Roberts is a major South African engineering and construction group known for delivering large, complex infrastructure and building projects worldwide.
-
C.
Tractebel
Tractebel is an international engineering and consulting company specializing in energy, water, and infrastructure projects.
-
D.
Compagnie du Mont-Blanc
Compagnie du Mont-Blanc is a French company that operates major ski lifts, mountain railways, and tourist facilities in the Mont Blanc massif around Chamonix.
-
E.
Branobel
Branobel was a major late-19th-century oil company based in the Russian Empire, founded by members of the Nobel family and influential in the early global petroleum industry.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
metro operator
ⓘ
private company ⓘ public transport company ⓘ |
| builtInfrastructureType |
metro stations
ⓘ
underground metro lines ⓘ |
| country | France ⓘ |
| fareSystem | urban commuter fares ⓘ |
| headquartersLocation | Paris ⓘ |
| industry |
public transportation
ⓘ
urban rail transport ⓘ |
| integration | integrated into Paris public transport system ⓘ |
| networkLocation |
Paris metropolitan area
ⓘ
linked to:
Grand Paris urban area
|
| operatedBefore | creation of a unified Paris transport authority ⓘ |
| operatedInCity | Paris ⓘ |
| operatedLine |
Paris Métro Line 12
ⓘ
linked to:
Paris Métro line 12
Paris Métro Line 13 ⓘ |
| operatedSystemType | electric railway ⓘ |
| operationalPeriod | early 20th century ⓘ |
| ownership | privately owned ⓘ |
| primaryLanguageOfOperation | French ⓘ |
| servedRegion |
Île-de-France
ⓘ
linked to:
Île-de-France region
|
| serviceType | passenger transport ⓘ |
| status | defunct ⓘ |
| transportMode |
metro
ⓘ
underground railway ⓘ |
| transportNetworkRole | precursor of modern Paris Métro network ⓘ |
| wasAbsorbedInto |
Compagnie du chemin de fer métropolitain de Paris
ⓘ
Paris unified transport network ⓘ
linked to:
Paris public transport network
Régie Autonome des Transports Parisiens ⓘ
linked to:
RATP group
|
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 Company Description of subject: Nord-Sud Company was a private early 20th-century Parisian metro operator that built and ran several underground lines before being absorbed into the city’s unified transport network.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.