Triple
T16362901
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | River Tay |
E397360
|
entity |
| Predicate | notableEvent |
P259
|
FINISHED |
| Object | Tay Bridge disaster of 1879 |
E90093
|
NE FINISHED |
How this triple was built (2 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: Tay Bridge disaster of 1879 | Statement: [River Tay, notableEvent, Tay Bridge disaster of 1879]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tay Bridge disaster of 1879 Context triple: [River Tay, notableEvent, Tay Bridge disaster of 1879]
-
A.
Tay Bridge disaster
chosen
The Tay Bridge disaster was a catastrophic 1879 railway bridge collapse in Scotland during a violent storm, killing dozens of passengers and prompting major changes in bridge engineering and safety standards.
-
B.
Charfield rail disaster
The Charfield rail disaster was a 1928 railway accident in Gloucestershire, England, in which an express train collided with a freight train and caught fire, killing 16 people and leaving two child victims famously unidentified.
-
C.
1902 Ibrox disaster
The 1902 Ibrox disaster was a tragic stadium collapse during a Scotland vs. England football match in Glasgow that killed 25 spectators and led to major reforms in stadium safety and construction.
-
D.
Dolgarrog dam disaster
The Dolgarrog dam disaster was a catastrophic 1925 dam failure in the village of Dolgarrog, Wales, that caused a deadly flood and led to major changes in British dam safety regulations.
-
E.
Hatfield rail crash
The Hatfield rail crash was a fatal 2000 train derailment in Hertfordshire, England, that exposed serious track maintenance failures and triggered major reforms in the UK rail industry.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d87f2778dc8190aa95c7572db127e6 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e2ff3aada88190a6e01f04c494a6ac |
completed | April 18, 2026, 3:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a002dbeabe081909e3d02676293e8b2 |
completed | May 10, 2026, 7:03 a.m. |
Created at: April 10, 2026, 5:08 a.m.