Desjardins Canal train disaster site
E885621
The Desjardins Canal train disaster site is the location near Hamilton, Ontario, where a Grand Trunk Railway train derailed and plunged into the Desjardins Canal in 1857, causing one of Canada's deadliest railway accidents.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Desjardins Canal train disaster | 2 |
| Desjardins Canal train disaster site canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10796973 — 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: Desjardins Canal train disaster site Context triple: [Burlington Heights, hasNearbyFeature, Desjardins Canal train disaster site]
-
A.
Montreal rail yards
Montreal rail yards are a major railway switching and freight-handling complex in the Montreal area, serving as a key hub for train operations and cargo distribution.
-
B.
Sauvé station
Sauvé station is a Montreal Metro station on the Orange Line located in the Ahuntsic-Cartierville borough of Montreal, Quebec, Canada.
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C.
Quebec City Gare du Palais
Quebec City Gare du Palais is a historic intermodal railway and bus terminal in Quebec City that serves as the main passenger rail station for services including those operated by Via Rail.
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D.
Les Grésillons station
Les Grésillons station is a commuter rail stop in the Paris metropolitan area serving the suburb of Argenteuil in northern France.
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E.
Baie-D’Urfé station
Baie-D’Urfé station is a commuter rail station in Baie-D’Urfé, Quebec, serving passengers on the Exo rail network in the Greater Montreal area.
- 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: Desjardins Canal train disaster site Target entity description: The Desjardins Canal train disaster site is the location near Hamilton, Ontario, where a Grand Trunk Railway train derailed and plunged into the Desjardins Canal in 1857, causing one of Canada's deadliest railway accidents.
-
A.
Montreal rail yards
Montreal rail yards are a major railway switching and freight-handling complex in the Montreal area, serving as a key hub for train operations and cargo distribution.
-
B.
Sauvé station
Sauvé station is a Montreal Metro station on the Orange Line located in the Ahuntsic-Cartierville borough of Montreal, Quebec, Canada.
-
C.
Quebec City Gare du Palais
Quebec City Gare du Palais is a historic intermodal railway and bus terminal in Quebec City that serves as the main passenger rail station for services including those operated by Via Rail.
-
D.
Les Grésillons station
Les Grésillons station is a commuter rail stop in the Paris metropolitan area serving the suburb of Argenteuil in northern France.
-
E.
Baie-D’Urfé station
Baie-D’Urfé station is a commuter rail station in Baie-D’Urfé, Quebec, serving passengers on the Exo rail network in the Greater Montreal area.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
railway accident site ⓘ |
| commemoratedBy | historical plaque ⓘ |
| coordinateLocation | approximately 43.27°N 79.92°W ⓘ |
| country | Canada ⓘ |
| hasCauseOfSignificantEvent | bridge structural failure (reported) ⓘ |
| heritageDesignation | local historical interest site ⓘ |
| locatedIn |
Hamilton, Ontario
ⓘ
linked to:
Hamilton, Ontario, Canada
|
| locatedInAdministrativeTerritory | Ontario ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locatedNear |
Desjardins Canal
ⓘ
linked to:
Desjardins Canal cutting
|
| locatedOnTransportCorridor |
Grand Trunk Railway main line (historical)
ⓘ
linked to:
Grand Trunk Railway
|
| locationOf |
Desjardins Canal train disaster
ⓘ
linked to:
Desjardins Canal train disaster site
|
| nearbyCity | Hamilton ⓘ |
| nearbyNeighbourhood | Dundas, Ontario ⓘ |
| nearbyWaterBody |
Desjardins Canal
ⓘ
linked to:
Desjardins Canal cutting
|
| partOf |
railway history of Canada
ⓘ
transportation history of Hamilton, Ontario ⓘ |
| significantEvent |
Desjardins Canal train disaster
ⓘ
linked to:
Desjardins Canal train disaster site
|
| significantEventCasualties | one of the deadliest railway accidents in Canadian history ⓘ |
| significantEventDate | 12 March 1857 ⓘ |
| significantEventOperator | Grand Trunk Railway ⓘ |
| significantEventTransportMode | rail transport ⓘ |
| significantEventType |
mass-casualty transportation accident
ⓘ
railway bridge collapse ⓘ train derailment ⓘ |
| significantEventVehicleType | passenger train ⓘ |
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: Desjardins Canal train disaster site Description of subject: The Desjardins Canal train disaster site is the location near Hamilton, Ontario, where a Grand Trunk Railway train derailed and plunged into the Desjardins Canal in 1857, causing one of Canada's deadliest railway accidents.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Desjardins Canal train disaster site
linked to: Desjardins Canal train disaster site