Triple

T21716205
Position Surface form Disambiguated ID Type / Status
Subject Thames River (Ontario) E536033 entity
Predicate hasBridge P386 FINISHED
Object Blackfriars Bridge (London, Ontario)
Blackfriars Bridge (London, Ontario) is a historic wrought-iron bowstring arch-truss bridge in London, Ontario, known as one of the oldest and rarest examples of its kind in Canada.
E1497834 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: Blackfriars Bridge (London, Ontario) | Statement: [Thames River (Ontario), hasBridge, Blackfriars Bridge (London, Ontario)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Blackfriars Bridge (London, Ontario)
Context triple: [Thames River (Ontario), hasBridge, Blackfriars Bridge (London, Ontario)]
  • A. Queen Elizabeth Way bridge over Credit River
    The Queen Elizabeth Way bridge over the Credit River is a major highway crossing in Mississauga, Ontario, carrying the QEW over the Credit River as part of a key transportation corridor in the Greater Toronto Area.
  • B. Leaside Bridge
    Leaside Bridge is a major road bridge in Toronto, Ontario, carrying traffic over the Don River and connecting the Leaside neighborhood with the rest of the city.
  • C. King Street Bridge in Welland
    King Street Bridge in Welland is a roadway bridge spanning the Welland River in the city of Welland, Ontario, serving as a key local crossing and traffic route.
  • D. Lansdowne Bridge
    Lansdowne Bridge is a historic 19th-century iron railway bridge in Sindh, Pakistan, renowned for its distinctive cantilever design spanning the Indus River near Sukkur.
  • E. Henley Street Bridge
    Henley Street Bridge is a historic concrete arch bridge spanning the Tennessee River in Knoxville, Tennessee, serving as a key transportation link into the city’s downtown.
  • 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: Blackfriars Bridge (London, Ontario)
Triple: [Thames River (Ontario), hasBridge, Blackfriars Bridge (London, Ontario)]
Generated description
Blackfriars Bridge (London, Ontario) is a historic wrought-iron bowstring arch-truss bridge in London, Ontario, known as one of the oldest and rarest examples of its kind in Canada.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Blackfriars Bridge (London, Ontario)
Target entity description: Blackfriars Bridge (London, Ontario) is a historic wrought-iron bowstring arch-truss bridge in London, Ontario, known as one of the oldest and rarest examples of its kind in Canada.
  • A. Queen Elizabeth Way bridge over Credit River
    The Queen Elizabeth Way bridge over the Credit River is a major highway crossing in Mississauga, Ontario, carrying the QEW over the Credit River as part of a key transportation corridor in the Greater Toronto Area.
  • B. Leaside Bridge
    Leaside Bridge is a major road bridge in Toronto, Ontario, carrying traffic over the Don River and connecting the Leaside neighborhood with the rest of the city.
  • C. King Street Bridge in Welland
    King Street Bridge in Welland is a roadway bridge spanning the Welland River in the city of Welland, Ontario, serving as a key local crossing and traffic route.
  • D. Lansdowne Bridge
    Lansdowne Bridge is a historic 19th-century iron railway bridge in Sindh, Pakistan, renowned for its distinctive cantilever design spanning the Indus River near Sukkur.
  • E. Henley Street Bridge
    Henley Street Bridge is a historic concrete arch bridge spanning the Tennessee River in Knoxville, Tennessee, serving as a key transportation link into the city’s downtown.
  • 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_69e0c46c6dd88190a595375fa6ebd701 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69efd96ab4c88190b76f4a6b7c855039 completed April 27, 2026, 9:47 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a24b38cc08190b765e50d5135a932 completed May 17, 2026, 8:27 p.m.
NEDg Description generation batch_6a0a25d1c95c8190a4140c494ac0a8f7 completed May 17, 2026, 8:32 p.m.
NED2 Entity disambiguation (via description) batch_6a0a268dd6c4819081c1bf83513bb8b8 completed May 17, 2026, 8:35 p.m.
Created at: April 16, 2026, 6:47 p.m.