Triple

T18801213
Position Surface form Disambiguated ID Type / Status
Subject Walterdale Bridge (Edmonton) E459755 entity
Predicate replaced P101 FINISHED
Object Old Walterdale Bridge — NE NERFINISHED

How this triple was built (3 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: Old Walterdale Bridge | Statement: [Walterdale Bridge (Edmonton), replaced, Old Walterdale Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Old Walterdale Bridge
Context triple: [Walterdale Bridge (Edmonton), replaced, Old Walterdale Bridge]
  • A. Gledrid Bridge
    Gledrid Bridge is a historic canal bridge associated with the former Ellesmere Canal in Shropshire, England.
  • B. Nowra Bridge
    Nowra Bridge is a key road bridge spanning the Shoalhaven River in Nowra, New South Wales, Australia, serving as an important transport link for the region.
  • C. Birchenough Bridge
    Birchenough Bridge is a historic steel arch road bridge over the Save River in Zimbabwe, renowned as one of the country’s major engineering landmarks.
  • D. Hodder Bridge
    Hodder Bridge is a road bridge in Lancashire, England, that carries traffic across the River Hodder in the Ribble Valley.
  • E. Burntollet Bridge
    Burntollet Bridge is a bridge in County Londonderry, Northern Ireland, best known as the site of a violent loyalist ambush on a civil rights march in January 1969 that became a key flashpoint in the early Troubles.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Old Walterdale Bridge
Target entity description: Old Walterdale Bridge was a historic steel truss bridge in Edmonton, Alberta, that carried traffic across the North Saskatchewan River before being decommissioned and replaced by the modern Walterdale Bridge.
  • A. Gledrid Bridge
    Gledrid Bridge is a historic canal bridge associated with the former Ellesmere Canal in Shropshire, England.
  • B. Nowra Bridge
    Nowra Bridge is a key road bridge spanning the Shoalhaven River in Nowra, New South Wales, Australia, serving as an important transport link for the region.
  • C. Birchenough Bridge
    Birchenough Bridge is a historic steel arch road bridge over the Save River in Zimbabwe, renowned as one of the country’s major engineering landmarks.
  • D. Hodder Bridge
    Hodder Bridge is a road bridge in Lancashire, England, that carries traffic across the River Hodder in the Ribble Valley.
  • E. Burntollet Bridge
    Burntollet Bridge is a bridge in County Londonderry, Northern Ireland, best known as the site of a violent loyalist ambush on a civil rights march in January 1969 that became a key flashpoint in the early Troubles.
  • F. None of above. chosen

Provenance (2 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_69d8d398c7d4819091cb2f7e48948aeb completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e5a02332d88190b68feea7f2f86d06 completed April 20, 2026, 3:40 a.m.
Created at: April 10, 2026, 11:53 a.m.