Triple
T1162343
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chepstow |
E24520
|
entity |
| Predicate | hasNearbyStructure |
P231
|
FINISHED |
| Object | Second Severn Crossing |
E50040
|
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: Second Severn Crossing | Statement: [Chepstow, hasNearbyStructure, Second Severn Crossing]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Second Severn Crossing Context triple: [Chepstow, hasNearbyStructure, Second Severn Crossing]
-
A.
Severn Bridge
chosen
Severn Bridge is a major suspension bridge in the United Kingdom that spans the River Severn and connects England with South Wales.
-
B.
Queensferry Crossing
Queensferry Crossing is a major cable-stayed road bridge in Scotland that spans the Firth of Forth, connecting Edinburgh to Fife and serving as a key part of the country’s transport infrastructure.
-
C.
Mersey Gateway Bridge
The Mersey Gateway Bridge is a modern six-lane toll bridge in northwest England that carries road traffic across the River Mersey between Runcorn and Widnes.
-
D.
Dartford Crossing
The Dartford Crossing is a major road crossing of the River Thames in southeast England, consisting of tunnels and a cable-stayed bridge that carry heavy traffic between Kent and Essex.
-
E.
Esher Bridge
Esher Bridge is a historic road bridge in Esher, Surrey, carrying traffic over the River Mole.
- 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_69a494060e148190abb42f971242c197 |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bcb2bb84819088bd94e91c10fb0c |
completed | March 1, 2026, 10:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acc61497948190891228f1a623668e |
completed | March 8, 2026, 12:43 a.m. |
Created at: March 1, 2026, 7:45 p.m.