Triple

T10796973
Position Surface form Disambiguated ID Type / Status
Subject Burlington Heights E254732 entity
Predicate hasNearbyFeature P350 FINISHED
Object Desjardins Canal train disaster site
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.
E885621 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Desjardins Canal train disaster site | Statement: [Burlington Heights, hasNearbyFeature, Desjardins Canal train disaster site]
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.
  • 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
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Desjardins Canal train disaster site
Triple: [Burlington Heights, hasNearbyFeature, Desjardins Canal train disaster site]
Generated 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.
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

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d6aa61c15c8190a1839550c56e75e1 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d73333dc4081909faa40c10bce2735 completed April 9, 2026, 5:03 a.m.
NED1 Entity disambiguation (via context triple) batch_69de566352608190ab15e3a4b690c9a5 completed April 14, 2026, 2:59 p.m.
NEDg Description generation batch_69de5eae7ab88190a0c512cfe61e3458 completed April 14, 2026, 3:35 p.m.
NED2 Entity disambiguation (via description) batch_69de60907e1081908405b6d71adbd388 completed April 14, 2026, 3:43 p.m.
Created at: April 8, 2026, 9:17 p.m.