Compagnie des chemins de fer de l'Ouest
E55072
Compagnie des chemins de fer de l'Ouest was a major 19th-century French railway company that operated lines in western France and played a key role in the expansion of the national rail network.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Compagnie des chemins de fer de l'Ouest canonical | 5 |
| Compagnie des chemins de fer de l’Ouest | 2 |
| Chemins de fer de l'Ouest | 1 |
| Chemins de fer de l'État | 1 |
| Great Western network | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T399797 — 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: Compagnie des chemins de fer de l'Ouest Context triple: [Gustave Eiffel, employer, Compagnie des chemins de fer de l'Ouest]
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A.
Southern Pacific Railroad
Southern Pacific Railroad was a major American railroad company that operated extensive rail networks across the western and southwestern United States from the 19th to the late 20th century.
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B.
Missouri Pacific Railroad
Missouri Pacific Railroad was a major American Class I railroad that operated across the Midwestern and Southwestern United States, playing a key role in regional freight and passenger transportation before its merger into the Union Pacific system.
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C.
Chicago Railways Company
The Chicago Railways Company was a major early 20th-century street railway operator in Chicago that formed a key part of the city’s urban transit system before consolidation into unified public transportation.
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D.
Union Pacific Railroad
Union Pacific Railroad is one of the largest freight rail networks in the United States, operating an extensive system that spans the western two-thirds of the country.
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E.
BNSF Railway
BNSF Railway is one of the largest freight railroad networks in North America, operating an extensive system that spans the United States and parts of Canada and Mexico.
- 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: Compagnie des chemins de fer de l'Ouest Target entity description: Compagnie des chemins de fer de l'Ouest was a major 19th-century French railway company that operated lines in western France and played a key role in the expansion of the national rail network.
-
A.
Southern Pacific Railroad
Southern Pacific Railroad was a major American railroad company that operated extensive rail networks across the western and southwestern United States from the 19th to the late 20th century.
-
B.
Missouri Pacific Railroad
Missouri Pacific Railroad was a major American Class I railroad that operated across the Midwestern and Southwestern United States, playing a key role in regional freight and passenger transportation before its merger into the Union Pacific system.
-
C.
Chicago Railways Company
The Chicago Railways Company was a major early 20th-century street railway operator in Chicago that formed a key part of the city’s urban transit system before consolidation into unified public transportation.
-
D.
Union Pacific Railroad
Union Pacific Railroad is one of the largest freight rail networks in the United States, operating an extensive system that spans the western two-thirds of the country.
-
E.
BNSF Railway
BNSF Railway is one of the largest freight railroad networks in North America, operating an extensive system that spans the United States and parts of Canada and Mexico.
- F. None of above. chosen
Statements (50)
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: Compagnie des chemins de fer de l'Ouest Description of subject: Compagnie des chemins de fer de l'Ouest was a major 19th-century French railway company that operated lines in western France and played a key role in the expansion of the national rail network.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Compagnie des chemins de fer de l'Ouest
linked to: Compagnie des chemins de fer de l'Ouest
linked to: Compagnie des chemins de fer de l'Ouest
linked to: Compagnie des chemins de fer de l'Ouest
linked to: Compagnie des chemins de fer de l'Ouest