Triple

T2297235
Position Surface form Disambiguated ID Type / Status
Subject Llanelltyd E51645 entity
Predicate hasStructure P35 FINISHED
Object 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.
 E278938 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: Llanelltyd Bridge | Statement: [Llanelltyd, hasStructure, Llanelltyd Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Llanelltyd Bridge
Context triple: [Llanelltyd, hasStructure, Llanelltyd Bridge]
  • A. Barmouth Bridge
    Barmouth Bridge is a historic wooden viaduct carrying the railway across the Mawddach Estuary near Barmouth in Gwynedd, Wales.
  • B. 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.
  • C. 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.
  • D. Chepstow Bridge
    Chepstow Bridge is a historic cast-iron road bridge spanning the River Wye between Chepstow in Wales and Gloucestershire in England.
  • E. Ethelfleda Bridge
    Ethelfleda Bridge is a historic railway bridge in Runcorn, England, carrying trains across the River Mersey and the Manchester Ship Canal.
  • 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: Llanelltyd Bridge
Triple: [Llanelltyd, hasStructure, Llanelltyd Bridge]
Generated description
Llanelltyd Bridge is a historic stone arch bridge in Gwynedd, Wales, carrying the A496 road across the River Mawddach near the village of Llanelltyd.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Llanelltyd Bridge
Target entity description: Llanelltyd Bridge is a historic stone arch bridge in Gwynedd, Wales, carrying the A496 road across the River Mawddach near the village of Llanelltyd.
  • A. Barmouth Bridge
    Barmouth Bridge is a historic wooden viaduct carrying the railway across the Mawddach Estuary near Barmouth in Gwynedd, Wales.
  • B. 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.
  • C. 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.
  • D. Chepstow Bridge
    Chepstow Bridge is a historic cast-iron road bridge spanning the River Wye between Chepstow in Wales and Gloucestershire in England.
  • E. Ethelfleda Bridge
    Ethelfleda Bridge is a historic railway bridge in Runcorn, England, carrying trains across the River Mersey and the Manchester Ship Canal.
  • 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_69a88b0a9f248190bcff941463d8f65a completed March 4, 2026, 7:42 p.m.
NER Named-entity recognition batch_69abc5ddf00081909acb47cbd9a5f20e completed March 7, 2026, 6:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69af653ce900819097157ca76cb45a81 completed March 10, 2026, 12:26 a.m.
NEDg Description generation batch_69af66a4d21081908795660023edd079 completed March 10, 2026, 12:32 a.m.
NED2 Entity disambiguation (via description) batch_69af67265b2c81909665c2c5acc0d776 completed March 10, 2026, 12:34 a.m.
Created at: March 4, 2026, 7:49 p.m.