Triple
T11931193
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Wales Railway |
E283912
|
entity |
| Predicate | usedStructure |
P35482
|
FINISHED |
| Object | Chepstow Railway Bridge |
E281547
|
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: Chepstow Railway Bridge | Statement: [South Wales Railway, usedStructure, Chepstow Railway Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chepstow Railway Bridge Context triple: [South Wales Railway, usedStructure, Chepstow Railway Bridge]
-
A.
Chepstow Railway Bridge
chosen
Chepstow Railway Bridge is a historic 19th-century railway bridge in Wales, designed by Isambard Kingdom Brunel as part of the South Wales Railway line.
-
B.
Chepstow Bridge
Chepstow Bridge is a historic cast-iron road bridge spanning the River Wye between Chepstow in Wales and Gloucestershire in England.
-
C.
Dyfi Bridge
Dyfi Bridge is a historic stone road bridge in Wales that carries traffic across the River Dyfi near Machynlleth.
-
D.
Carmarthen Bridge
Carmarthen Bridge is a notable road bridge spanning the River Towy in the town of Carmarthen, Wales.
-
E.
Crickhowell Bridge
Crickhowell Bridge is a historic multi-arched stone bridge in Powys, Wales, renowned for its picturesque setting over the River Usk and its unusually varied number of arches.
- 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_69d6ab2ce9c48190b5d39511b524f666 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d90303a9a88190a4044e6310ba9b4b |
completed | April 10, 2026, 2:02 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f63edbcd288190b491a16f2bf8fc62 |
completed | May 2, 2026, 6:13 p.m. |
Created at: April 8, 2026, 9:45 p.m.