Triple
T11949152
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heysel Stadium |
E284382
|
entity |
| Predicate | safetyRecordChangedAfter |
P102423
|
FINISHED |
| Object | 1985 Heysel disaster |
E59103
|
NE FINISHED |
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: 1985 Heysel disaster | Statement: [Heysel Stadium, safetyRecordChangedAfter, 1985 Heysel disaster]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 1985 Heysel disaster Context triple: [Heysel Stadium, safetyRecordChangedAfter, 1985 Heysel disaster]
-
A.
Heysel Stadium disaster
chosen
The Heysel Stadium disaster was a 1985 football tragedy in Brussels, where crowd violence and a stadium wall collapse before the European Cup final led to 39 deaths and prompted a long ban on English clubs from European competitions.
-
B.
Heysel Stadium
Heysel Stadium was a major sports venue in Brussels, Belgium, best known as the site of the 1985 European Cup Final and the tragic disaster that led to significant reforms in football stadium safety.
-
C.
1971 Ibrox disaster
The 1971 Ibrox disaster was a tragic crowd crush at a Rangers football match in Glasgow that killed 66 spectators and led to major reforms in stadium safety.
-
D.
Munich air disaster
The Munich air disaster was a 1958 plane crash involving Manchester United’s “Busby Babes” that killed 23 people and became one of the most tragic and defining events in football history.
-
E.
Hillsborough disaster
The Hillsborough disaster was a 1989 human crush tragedy at an FA Cup semi-final in Sheffield that killed 97 Liverpool supporters and led to major reforms in English football stadium safety and policing.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: safetyRecordChangedAfter Context triple: [Heysel Stadium, safetyRecordChangedAfter, 1985 Heysel disaster]
-
A.
safetyChangesImplemented
Indicates that specific safety-related modifications or measures have been put into effect.
-
B.
safetyRegulationChange
Indicates a modification, update, or revision to existing safety regulations governing how something must be designed, operated, or managed.
-
C.
safetyRegulationsUpdatedAfter
Indicates that one set of safety regulations was revised or brought into effect at a later time than another set of safety regulations.
-
D.
safetyRecordImprovementPeriod
Indicates the time span over which changes or improvements in a subject’s safety record are measured or evaluated.
-
E.
securityChangesAfter
Indicates that the security status or configuration of one entity is modified as a consequence of a prior event or change in another entity.
- 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_69d6ab2db38c8190b1f0ed6663ef8ada |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d90346825c8190ab4482a1fc8eed56 |
completed | April 10, 2026, 2:03 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f471ba7fd88190909596e6e01e8714 |
completed | May 1, 2026, 9:26 a.m. |
| PD | Predicate disambiguation | batch_69d8bb3e48e08190b2fee43af4f57323 |
completed | April 10, 2026, 8:56 a.m. |
| PDg | Predicate description generation | batch_69d8dd0ba0f88190b7d5e358c27ca184 |
completed | April 10, 2026, 11:20 a.m. |
Created at: April 8, 2026, 9:45 p.m.