Triple
T2115217
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | England–Wales border |
E42593
|
entity |
| Predicate | hasTransportCrossings |
P11026
|
FINISHED |
| Object |
Second Severn Crossing
The Second Severn Crossing is a major road bridge carrying the M4 motorway over the River Severn between England and Wales, built to increase capacity and provide a more reliable route than the original Severn Bridge.
|
E50040
|
NE FINISHED |
How this triple was built (4 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: [England–Wales border, hasTransportCrossings, Second Severn Crossing]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Second Severn Crossing Context triple: [England–Wales border, hasTransportCrossings, Second Severn Crossing]
-
A.
Severn Bridge
Severn Bridge is a major suspension bridge in the United Kingdom that spans the River Severn and connects England with South Wales.
-
B.
Briton Ferry Bridge
Briton Ferry Bridge is a historic road bridge in South Wales that spans the River Neath, linking the town of Briton Ferry with Neath and the wider Neath Port Talbot area.
-
C.
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.
-
D.
Chepstow Bridge
Chepstow Bridge is a historic cast-iron road bridge spanning the River Wye between Chepstow in Wales and Gloucestershire in England.
-
E.
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Second Severn Crossing Triple: [England–Wales border, hasTransportCrossings, Second Severn Crossing]
Generated description
The Second Severn Crossing is a major road bridge carrying the M4 motorway over the River Severn between England and Wales, built to increase capacity and provide a more reliable route than the original Severn Bridge.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Second Severn Crossing Target entity description: The Second Severn Crossing is a major road bridge carrying the M4 motorway over the River Severn between England and Wales, built to increase capacity and provide a more reliable route than the original Severn Bridge.
-
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.
Briton Ferry Bridge
Briton Ferry Bridge is a historic road bridge in South Wales that spans the River Neath, linking the town of Briton Ferry with Neath and the wider Neath Port Talbot area.
-
C.
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.
-
D.
Chepstow Bridge
Chepstow Bridge is a historic cast-iron road bridge spanning the River Wye between Chepstow in Wales and Gloucestershire in England.
-
E.
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.
- F. None of above.
Provenance (5 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_69a8871040f08190aac2e2d0ab6b47ad |
completed | March 4, 2026, 7:25 p.m. |
| NER | Named-entity recognition | batch_69abbdc3a12081908e95ae870207367f |
completed | March 7, 2026, 5:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae5194abec8190aab8b7a9ef98da92 |
completed | March 9, 2026, 4:50 a.m. |
| NEDg | Description generation | batch_69ae524946f881908452e7f414962e70 |
completed | March 9, 2026, 4:53 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae529f2e508190b7483b70c9dbf9f9 |
completed | March 9, 2026, 4:54 a.m. |
Created at: March 4, 2026, 7:43 p.m.