Triple
T3330040
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Robert Stephenson |
E70010
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object |
Britannia Bridge, Menai Strait
Britannia Bridge is a historic 19th-century railway bridge spanning the Menai Strait in Wales, originally designed by engineer Robert Stephenson as a pioneering tubular iron structure.
|
E347886
|
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: Britannia Bridge, Menai Strait | Statement: [Robert Stephenson, notableWork, Britannia Bridge, Menai Strait]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Britannia Bridge, Menai Strait Context triple: [Robert Stephenson, notableWork, Britannia Bridge, Menai Strait]
-
A.
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.
-
B.
Barmouth Bridge
Barmouth Bridge is a historic wooden viaduct carrying the railway across the Mawddach Estuary near Barmouth in Gwynedd, Wales.
-
C.
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.
-
D.
Tay Rail Bridge
The Tay Rail Bridge is a historic railway bridge in Scotland that carries trains across the Firth of Tay between Dundee and the county of Fife.
-
E.
Ha'penny Bridge
Ha'penny Bridge is a historic cast-iron pedestrian bridge over the River Liffey and one of Dublin’s most iconic symbols.
- 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: Britannia Bridge, Menai Strait Triple: [Robert Stephenson, notableWork, Britannia Bridge, Menai Strait]
Generated description
Britannia Bridge is a historic 19th-century railway bridge spanning the Menai Strait in Wales, originally designed by engineer Robert Stephenson as a pioneering tubular iron structure.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Britannia Bridge, Menai Strait Target entity description: Britannia Bridge is a historic 19th-century railway bridge spanning the Menai Strait in Wales, originally designed by engineer Robert Stephenson as a pioneering tubular iron structure.
-
A.
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.
-
B.
Barmouth Bridge
Barmouth Bridge is a historic wooden viaduct carrying the railway across the Mawddach Estuary near Barmouth in Gwynedd, Wales.
-
C.
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.
-
D.
Tay Rail Bridge
The Tay Rail Bridge is a historic railway bridge in Scotland that carries trains across the Firth of Tay between Dundee and the county of Fife.
-
E.
Ha'penny Bridge
Ha'penny Bridge is a historic cast-iron pedestrian bridge over the River Liffey and one of Dublin’s most iconic symbols.
- 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_69ad85a24f208190bcf83131bfed3521 |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adb171ee0881908642504ab0ac8329 |
completed | March 8, 2026, 5:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b31a810e2c8190bfc206bdeb1ac5b8 |
completed | March 12, 2026, 7:56 p.m. |
| NEDg | Description generation | batch_69b31c37f3a08190823c32e8f933ce82 |
completed | March 12, 2026, 8:04 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b31caa4e188190b4dfd613fdaebdb6 |
completed | March 12, 2026, 8:06 p.m. |
Created at: March 8, 2026, 3:12 p.m.