Triple
T5507195
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Severn Estuary |
E144469
|
entity |
| Predicate | crossedBy |
P416
|
FINISHED |
| Object |
Second Severn Crossing
The Second Severn Crossing is a major cable-stayed motorway bridge linking England and Wales across the lower Severn Estuary, built to increase capacity and provide a more reliable alternative to the original Severn Bridge.
|
E531420
|
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: [Severn Estuary, crossedBy, Second Severn Crossing]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Second Severn Crossing Context triple: [Severn Estuary, crossedBy, 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.
Severn crossings
The Severn crossings are major road and rail bridges spanning the River Severn between England and Wales, serving as key transport links in the region.
-
C.
Menai Bridge
Menai Bridge is a small town on the Isle of Anglesey in Wales, best known for the historic suspension bridge that connects the island to the mainland across the Menai Strait.
-
D.
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.
-
E.
Kessock Bridge
Kessock Bridge is a prominent cable-stayed road bridge in the Scottish Highlands that spans the Beauly Firth, linking Inverness to the Black Isle.
- 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: [Severn Estuary, crossedBy, Second Severn Crossing]
Generated description
The Second Severn Crossing is a major cable-stayed motorway bridge linking England and Wales across the lower Severn Estuary, built to increase capacity and provide a more reliable alternative to 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 cable-stayed motorway bridge linking England and Wales across the lower Severn Estuary, built to increase capacity and provide a more reliable alternative to the original Severn Bridge.
-
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.
Severn crossings
The Severn crossings are major road and rail bridges spanning the River Severn between England and Wales, serving as key transport links in the region.
-
C.
Menai Bridge
Menai Bridge is a small town on the Isle of Anglesey in Wales, best known for the historic suspension bridge that connects the island to the mainland across the Menai Strait.
-
D.
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.
-
E.
Kessock Bridge
Kessock Bridge is a prominent cable-stayed road bridge in the Scottish Highlands that spans the Beauly Firth, linking Inverness to the Black Isle.
- F. None of above. chosen
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_69c008f6b5048190a09064116062cf69 |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c01f495c588190b0cfe5bfb3d2c221 |
completed | March 22, 2026, 4:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c027bc39208190baa01feadb75d3c6 |
completed | March 22, 2026, 5:32 p.m. |
| NEDg | Description generation | batch_69c033db6ebc8190ab35c707b846426d |
completed | March 22, 2026, 6:24 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c0345cd5b88190855efd8c1bb94693 |
completed | March 22, 2026, 6:26 p.m. |
Created at: March 22, 2026, 3:32 p.m.