Triple

T12836022
Position Surface form Disambiguated ID Type / Status
Subject River Conwy E306914 entity
Predicate hasBridge P386 FINISHED
Object Conwy Railway Bridge
Conwy Railway Bridge is a 19th-century tubular iron railway bridge in Conwy, Wales, designed by Robert Stephenson and notable for its pioneering engineering and castle-like turrets.
E1010388 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: Conwy Railway Bridge | Statement: [River Conwy, hasBridge, Conwy Railway Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Conwy Railway Bridge
Context triple: [River Conwy, hasBridge, Conwy Railway Bridge]
  • A. Conwy Suspension Bridge
    Conwy Suspension Bridge is a historic 19th-century suspension bridge in Conwy, Wales, notable for its picturesque setting beside Conwy Castle and its early iron-chain engineering.
  • B. Dyfi Bridge
    Dyfi Bridge is a historic stone road bridge in Wales that carries traffic across the River Dyfi near Machynlleth.
  • C. Llangollen Bridge
    Llangollen Bridge is a historic stone bridge spanning the River Dee in the Welsh town of Llangollen, renowned as a picturesque landmark in the Dee Valley.
  • D. 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.
  • E. Barmouth Bridge
    Barmouth Bridge is a historic wooden viaduct carrying the railway across the Mawddach Estuary near Barmouth in Gwynedd, Wales.
  • 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: Conwy Railway Bridge
Triple: [River Conwy, hasBridge, Conwy Railway Bridge]
Generated description
Conwy Railway Bridge is a 19th-century tubular iron railway bridge in Conwy, Wales, designed by Robert Stephenson and notable for its pioneering engineering and castle-like turrets.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Conwy Railway Bridge
Target entity description: Conwy Railway Bridge is a 19th-century tubular iron railway bridge in Conwy, Wales, designed by Robert Stephenson and notable for its pioneering engineering and castle-like turrets.
  • A. Conwy Suspension Bridge
    Conwy Suspension Bridge is a historic 19th-century suspension bridge in Conwy, Wales, notable for its picturesque setting beside Conwy Castle and its early iron-chain engineering.
  • B. Dyfi Bridge
    Dyfi Bridge is a historic stone road bridge in Wales that carries traffic across the River Dyfi near Machynlleth.
  • C. Llangollen Bridge
    Llangollen Bridge is a historic stone bridge spanning the River Dee in the Welsh town of Llangollen, renowned as a picturesque landmark in the Dee Valley.
  • D. 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.
  • E. Barmouth Bridge
    Barmouth Bridge is a historic wooden viaduct carrying the railway across the Mawddach Estuary near Barmouth in Gwynedd, Wales.
  • 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_69d7bdf52b94819096d6f0ba4ab50a98 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96ff015f4819090070a01f3938acc completed April 10, 2026, 9:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6af4f56108190b75dbf9bb144e94a completed May 3, 2026, 2:13 a.m.
NEDg Description generation batch_69f6b02e3b9881909387c1f70176a1bd completed May 3, 2026, 2:17 a.m.
NED2 Entity disambiguation (via description) batch_69f6b11ced30819090f67a0b1e1369aa completed May 3, 2026, 2:21 a.m.
Created at: April 9, 2026, 5:35 p.m.