Triple
T22699500
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Walkerton E. coli outbreak |
E561275
|
entity |
| Predicate | ledTo |
P693
|
FINISHED |
| Object | Walkerton Inquiry |
—
|
NE NERFINISHED |
How this triple was built (3 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: Walkerton Inquiry | Statement: [Walkerton E. coli outbreak, ledTo, Walkerton Inquiry]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Walkerton Inquiry Context triple: [Walkerton E. coli outbreak, ledTo, Walkerton Inquiry]
-
A.
Popplewell Inquiry
The Popplewell Inquiry was an official investigation led by Sir Oliver Popplewell into the causes and circumstances of the Bradford City stadium fire and wider safety standards at sports grounds in the UK.
-
B.
Hutton Inquiry
The Hutton Inquiry was a British judicial investigation led by Lord Hutton into the circumstances surrounding the death of weapons expert Dr. David Kelly and the government's handling of intelligence on Iraq's weapons of mass destruction.
-
C.
Cullen Inquiry
The Cullen Inquiry was a major public investigation in the UK that examined the causes and safety failures behind the Ladbroke Grove rail crash and led to significant reforms in railway safety regulation.
-
D.
Barron Inquiry
The Barron Inquiry was an official Irish investigation led by Justice Henry Barron into a series of Troubles-related bombings, including the 1974 Dublin and Monaghan attacks, examining their circumstances and possible collusion.
-
E.
Hillsborough Taylor Inquiry
The Hillsborough Taylor Inquiry was a judicial investigation led by Lord Justice Taylor into the causes and circumstances of the 1989 Hillsborough stadium disaster and the safety of football grounds in England.
- 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: Walkerton Inquiry Target entity description: The Walkerton Inquiry was a public investigation in Ontario, Canada, that examined the causes and government failures behind the Walkerton E. coli water contamination disaster and recommended reforms to protect drinking water safety.
-
A.
Popplewell Inquiry
The Popplewell Inquiry was an official investigation led by Sir Oliver Popplewell into the causes and circumstances of the Bradford City stadium fire and wider safety standards at sports grounds in the UK.
-
B.
Hutton Inquiry
The Hutton Inquiry was a British judicial investigation led by Lord Hutton into the circumstances surrounding the death of weapons expert Dr. David Kelly and the government's handling of intelligence on Iraq's weapons of mass destruction.
-
C.
Cullen Inquiry
The Cullen Inquiry was a major public investigation in the UK that examined the causes and safety failures behind the Ladbroke Grove rail crash and led to significant reforms in railway safety regulation.
-
D.
Barron Inquiry
The Barron Inquiry was an official Irish investigation led by Justice Henry Barron into a series of Troubles-related bombings, including the 1974 Dublin and Monaghan attacks, examining their circumstances and possible collusion.
-
E.
Hillsborough Taylor Inquiry
The Hillsborough Taylor Inquiry was a judicial investigation led by Lord Justice Taylor into the causes and circumstances of the 1989 Hillsborough stadium disaster and the safety of football grounds in England.
- F. None of above. chosen
Provenance (2 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_69e2454e615481909c177440be559d2c |
completed | April 17, 2026, 2:35 p.m. |
| NER | Named-entity recognition | batch_69f178c944748190a0712983f7059114 |
completed | April 29, 2026, 3:19 a.m. |
Created at: April 17, 2026, 3:15 p.m.