Canadian National Railway
E30762
Canadian National Railway is a major Canadian freight railway company that operates an extensive rail network across Canada and into the United States.
All labels observed (20)
How this entity was disambiguated
This entity first appeared as the object of triple T239106 — 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: Canadian National Railway Context triple: [CN Tower, builtBy, Canadian National Railway]
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A.
Canadian Pacific Kansas City Limited
Canadian Pacific Kansas City Limited is a major North American freight railway company formed by the merger of Canadian Pacific Railway and Kansas City Southern, operating an extensive rail network connecting Canada, the United States, and Mexico.
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B.
Norfolk Southern Railway
Norfolk Southern Railway is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
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C.
CSX Transportation
CSX Transportation is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
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D.
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.
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E.
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.
- 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: Canadian National Railway Target entity description: Canadian National Railway is a major Canadian freight railway company that operates an extensive rail network across Canada and into the United States.
-
A.
Canadian Pacific Kansas City Limited
Canadian Pacific Kansas City Limited is a major North American freight railway company formed by the merger of Canadian Pacific Railway and Kansas City Southern, operating an extensive rail network connecting Canada, the United States, and Mexico.
-
B.
Norfolk Southern Railway
Norfolk Southern Railway is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
-
C.
CSX Transportation
CSX Transportation is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (51)
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: Canadian National Railway Description of subject: Canadian National Railway is a major Canadian freight railway company that operates an extensive rail network across Canada and into the United States.
Referenced by (139)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Canadian National Railway lines
this entity surface form:
Canadian National Railway (on some segments)
subject surface form:
Prince George, British Columbia
subject surface form:
St. Clair Tunnel
this entity surface form:
Canadian National Railway network
subject surface form:
Central Vermont Railway
this entity surface form:
Canadian National Railway (via connections)