Triple
T3859248
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tay Bridge disaster |
E90093
|
entity |
| Predicate | bridgeName |
P26021
|
FINISHED |
| Object | First Tay Rail Bridge |
E134436
|
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: First Tay Rail Bridge | Statement: [Tay Bridge disaster, bridgeName, First Tay Rail Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: First Tay Rail Bridge Context triple: [Tay Bridge disaster, bridgeName, First Tay Rail Bridge]
-
A.
Tay Rail Bridge
chosen
The Tay Rail Bridge is a historic railway bridge in Scotland that carries trains across the Firth of Tay between Dundee and the county of Fife.
-
B.
Caledonian Railway Bridge over the River Clyde
The Caledonian Railway Bridge over the River Clyde is a historic railway bridge in Glasgow, Scotland, that carries rail traffic across the River Clyde and once formed a key part of the Caledonian Railway’s main approach to Glasgow Central Station.
-
C.
Forth Bridge
The Forth Bridge is a historic cantilever railway bridge in Scotland, renowned as an iconic feat of Victorian engineering and a UNESCO World Heritage Site.
-
D.
Dumbarton Bridge
The Dumbarton Bridge is a major vehicular bridge in the San Francisco Bay Area that provides a key east–west crossing between the Peninsula and the East Bay.
-
E.
Dunkeld Bridge
Dunkeld Bridge is a historic stone road bridge over the River Tay in Dunkeld, Scotland, designed by the renowned engineer Thomas Telford in the early 19th century.
- 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_69aed95b3c088190a8f85d19e6070599 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aeec1ff39c8190b83a88abd840a0e3 |
completed | March 9, 2026, 3:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5b74b0cd08190bebb483a72d0b59a |
completed | March 14, 2026, 7:30 p.m. |
Created at: March 9, 2026, 3:19 p.m.