Triple
T21538782
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Second Severn Crossing |
E531420
|
entity |
| Predicate | locatedInBodyOfWater |
P1714
|
FINISHED |
| Object | lower Severn Estuary |
—
|
NE NERFINISHED |
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: lower Severn Estuary | Statement: [Second Severn Crossing, locatedInBodyOfWater, lower Severn Estuary]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: lower Severn Estuary Context triple: [Second Severn Crossing, locatedInBodyOfWater, lower Severn Estuary]
-
A.
Severn Estuary
chosen
The Severn Estuary is a large tidal estuary in Great Britain, renowned for having one of the highest tidal ranges in the world and forming the lower reaches of the River Severn between England and Wales.
-
B.
Neath Estuary
Neath Estuary is the tidal mouth and surrounding coastal wetland area where the River Neath meets the sea in South Wales.
-
C.
River Avon estuary
The River Avon estuary is a tidal river mouth and coastal habitat in South Devon, England, known for its scenic landscapes, wildlife-rich mudflats and saltmarshes, and importance for conservation and recreation.
-
D.
Forth estuary
The Forth estuary is the tidal mouth of Scotland’s River Forth, forming a broad inlet on the country’s east coast that has long been important for shipping, industry, and iconic bridges such as the Forth Bridge.
-
E.
Cleddau Estuary
The Cleddau Estuary is a tidal waterway in Pembrokeshire, Wales, where the Eastern and Western Cleddau rivers meet before opening into Milford Haven Waterway.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0c45e5b8881908ac18fc2f493b114 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69ee9d10a2888190bc4e502a829c76a4 |
completed | April 26, 2026, 11:17 p.m. |
Created at: April 16, 2026, 6:27 p.m.