Triple

T6539743
Position Surface form Disambiguated ID Type / Status
Subject Intercolonial Railway of Canada E168253 entity
Predicate notableStructure P1544 FINISHED
Object Reversing Falls Railway Bridge
The Reversing Falls Railway Bridge is a historic rail bridge in Saint John, New Brunswick, spanning the turbulent Reversing Falls gorge of the Saint John River.
 E604112 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: Reversing Falls Railway Bridge | Statement: [Intercolonial Railway of Canada, notableStructure, Reversing Falls Railway Bridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Reversing Falls Railway Bridge
Context triple: [Intercolonial Railway of Canada, notableStructure, Reversing Falls Railway Bridge]
  • A. Bowen Bridge
    Bowen Bridge is a major concrete highway bridge in Hobart, Tasmania, carrying traffic across the Derwent River as part of the city’s northern transport corridor.
  • B. Holytown railway viaduct
    Holytown railway viaduct is a historic multi-arch railway bridge in North Lanarkshire, Scotland, carrying rail traffic across the North Calder Water.
  • C. East Hills railway bridge
    The East Hills railway bridge is a rail bridge in Sydney, Australia, that carries the East Hills railway line across the Georges River.
  • D. Kelso Bridge
    Kelso Bridge is a historic stone arch bridge spanning the River Tweed in Kelso, Scottish Borders, known for its elegant design and 18th-century engineering.
  • E. Lechmere Viaduct
    Lechmere Viaduct is a historic concrete arch bridge in Boston that carries MBTA Green Line trains across the Charles River between Boston and Cambridge.
  • 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: Reversing Falls Railway Bridge
Triple: [Intercolonial Railway of Canada, notableStructure, Reversing Falls Railway Bridge]
Generated description
The Reversing Falls Railway Bridge is a historic rail bridge in Saint John, New Brunswick, spanning the turbulent Reversing Falls gorge of the Saint John River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Reversing Falls Railway Bridge
Target entity description: The Reversing Falls Railway Bridge is a historic rail bridge in Saint John, New Brunswick, spanning the turbulent Reversing Falls gorge of the Saint John River.
  • A. Bowen Bridge
    Bowen Bridge is a major concrete highway bridge in Hobart, Tasmania, carrying traffic across the Derwent River as part of the city’s northern transport corridor.
  • B. Holytown railway viaduct
    Holytown railway viaduct is a historic multi-arch railway bridge in North Lanarkshire, Scotland, carrying rail traffic across the North Calder Water.
  • C. East Hills railway bridge
    The East Hills railway bridge is a rail bridge in Sydney, Australia, that carries the East Hills railway line across the Georges River.
  • D. Kelso Bridge
    Kelso Bridge is a historic stone arch bridge spanning the River Tweed in Kelso, Scottish Borders, known for its elegant design and 18th-century engineering.
  • E. Lechmere Viaduct
    Lechmere Viaduct is a historic concrete arch bridge in Boston that carries MBTA Green Line trains across the Charles River between Boston and Cambridge.
  • 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_69c68a51564081909e93aee0dbd9cca3 completed March 27, 2026, 1:46 p.m.
NER Named-entity recognition batch_69c6add5d3848190a0d70dc4013ab756 completed March 27, 2026, 4:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6d53b861c81908adc984a3067d4ef completed March 27, 2026, 7:06 p.m.
NEDg Description generation batch_69c6d6745b40819083fbcb2a4063e34d completed March 27, 2026, 7:11 p.m.
NED2 Entity disambiguation (via description) batch_69c6d837a5248190b0afb39174ac3922 completed March 27, 2026, 7:19 p.m.
Created at: March 27, 2026, 1:50 p.m.