Triple

T11931194
Position Surface form Disambiguated ID Type / Status
Subject South Wales Railway E283912 entity
Predicate usedStructure P35482 FINISHED
Object Newport railway bridge over River Usk
The Newport railway bridge over the River Usk is a historic rail bridge in Newport, South Wales, carrying mainline trains across the Usk as part of a key route on the South Wales rail network.
E955642 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: Newport railway bridge over River Usk | Statement: [South Wales Railway, usedStructure, Newport railway bridge over River Usk]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Newport railway bridge over River Usk
Context triple: [South Wales Railway, usedStructure, Newport railway bridge over River Usk]
  • A. Builth Wells Bridge over the River Wye
    Builth Wells Bridge over the River Wye is a historic multi-arched stone bridge that serves as a key crossing point and notable scenic feature in the Welsh town of Builth Wells.
  • B. 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.
  • C. Usk Bridge (Brecon)
    Usk Bridge (Brecon) is a historic stone road bridge in Brecon, Wales, carrying traffic across the River Usk and forming a key part of the town’s transport and architectural heritage.
  • D. Old Bridge over the Ogmore
    Old Bridge over the Ogmore is a historic stone footbridge spanning the River Ogmore in Bridgend, Wales.
  • E. 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.
  • 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: Newport railway bridge over River Usk
Triple: [South Wales Railway, usedStructure, Newport railway bridge over River Usk]
Generated description
The Newport railway bridge over the River Usk is a historic rail bridge in Newport, South Wales, carrying mainline trains across the Usk as part of a key route on the South Wales rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Newport railway bridge over River Usk
Target entity description: The Newport railway bridge over the River Usk is a historic rail bridge in Newport, South Wales, carrying mainline trains across the Usk as part of a key route on the South Wales rail network.
  • A. Builth Wells Bridge over the River Wye
    Builth Wells Bridge over the River Wye is a historic multi-arched stone bridge that serves as a key crossing point and notable scenic feature in the Welsh town of Builth Wells.
  • B. 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.
  • C. Usk Bridge (Brecon)
    Usk Bridge (Brecon) is a historic stone road bridge in Brecon, Wales, carrying traffic across the River Usk and forming a key part of the town’s transport and architectural heritage.
  • D. Old Bridge over the Ogmore
    Old Bridge over the Ogmore is a historic stone footbridge spanning the River Ogmore in Bridgend, Wales.
  • E. 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.
  • 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_69d6ab2ce9c48190b5d39511b524f666 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d90303a9a88190a4044e6310ba9b4b completed April 10, 2026, 2:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69f4406ee910819093c72738bfe3f92c completed May 1, 2026, 5:55 a.m.
NEDg Description generation batch_69f448fb898081908a8ffd0da703c0f9 completed May 1, 2026, 6:32 a.m.
NED2 Entity disambiguation (via description) batch_69f44b9e662881908549e041f6a05e38 completed May 1, 2026, 6:43 a.m.
Created at: April 8, 2026, 9:45 p.m.