Triple
T2512161
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | River Wye |
E52725
|
entity |
| Predicate | crossedBy |
P416
|
FINISHED |
| Object |
Chepstow Railway Bridge
Chepstow Railway Bridge is a historic 19th-century railway bridge in Wales, designed by Isambard Kingdom Brunel as part of the South Wales Railway line.
|
E281547
|
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: Chepstow Railway Bridge | Statement: [River Wye, crossedBy, Chepstow Railway Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chepstow Railway Bridge Context triple: [River Wye, crossedBy, Chepstow Railway Bridge]
-
A.
Chepstow Bridge
Chepstow Bridge is a historic cast-iron road bridge spanning the River Wye between Chepstow in Wales and Gloucestershire in England.
-
B.
Monnow Bridge
Monnow Bridge is a historic medieval stone bridge and gatehouse spanning the River Monnow in Monmouth, Wales, and is one of the last remaining fortified river bridges in Britain.
-
C.
Pontypridd Old Bridge
Pontypridd Old Bridge is a historic 18th-century stone arch bridge in Pontypridd, Wales, renowned for its once-record-breaking single-span design.
-
D.
Barmouth Bridge
Barmouth Bridge is a historic wooden viaduct carrying the railway across the Mawddach Estuary near Barmouth in Gwynedd, Wales.
-
E.
Llanelltyd Bridge
Llanelltyd Bridge is a historic stone arch bridge in Gwynedd, Wales, carrying the A496 road across the River Mawddach near the village of Llanelltyd.
- 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: Chepstow Railway Bridge Triple: [River Wye, crossedBy, Chepstow Railway Bridge]
Generated description
Chepstow Railway Bridge is a historic 19th-century railway bridge in Wales, designed by Isambard Kingdom Brunel as part of the South Wales Railway line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chepstow Railway Bridge Target entity description: Chepstow Railway Bridge is a historic 19th-century railway bridge in Wales, designed by Isambard Kingdom Brunel as part of the South Wales Railway line.
-
A.
Chepstow Bridge
Chepstow Bridge is a historic cast-iron road bridge spanning the River Wye between Chepstow in Wales and Gloucestershire in England.
-
B.
Monnow Bridge
Monnow Bridge is a historic medieval stone bridge and gatehouse spanning the River Monnow in Monmouth, Wales, and is one of the last remaining fortified river bridges in Britain.
-
C.
Pontypridd Old Bridge
Pontypridd Old Bridge is a historic 18th-century stone arch bridge in Pontypridd, Wales, renowned for its once-record-breaking single-span design.
-
D.
Barmouth Bridge
Barmouth Bridge is a historic wooden viaduct carrying the railway across the Mawddach Estuary near Barmouth in Gwynedd, Wales.
-
E.
Llanelltyd Bridge
Llanelltyd Bridge is a historic stone arch bridge in Gwynedd, Wales, carrying the A496 road across the River Mawddach near the village of Llanelltyd.
- 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_69ab4958e76481908a235377dd921c9e |
completed | March 6, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69abd1efb5c48190a9b47b39a388412b |
completed | March 7, 2026, 7:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af838c9c648190857a6a95dce1c258 |
completed | March 10, 2026, 2:35 a.m. |
| NEDg | Description generation | batch_69af84e522f081909fb21df34f83d5ca |
completed | March 10, 2026, 2:41 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69af85584a548190941427880f63f5d4 |
completed | March 10, 2026, 2:43 a.m. |
Created at: March 6, 2026, 9:46 p.m.