Triple

T11813564
Position Surface form Disambiguated ID Type / Status
Subject Quesnel, British Columbia E280937 entity
Predicate railwayService P848 FINISHED
Object BC Rail (historical)
BC Rail (historical) was a former provincially owned railway in British Columbia that operated an extensive freight and passenger network across the province before its operations were leased to Canadian National Railway.
 E947574 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: BC Rail (historical) | Statement: [Quesnel, British Columbia, railwayService, BC Rail (historical)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: BC Rail (historical)
Context triple: [Quesnel, British Columbia, railwayService, BC Rail (historical)]
  • A. Canadian Northern Railway
    The Canadian Northern Railway was an early 20th-century Canadian transcontinental railway whose network later became a core component of the Canadian National Railway system.
  • B. Hudson Bay Railway
    The Hudson Bay Railway is a regional rail line in northern Manitoba, Canada, primarily serving remote communities and resource industries and providing a key transportation link to the Port of Churchill on Hudson Bay.
  • C. Canada Southern Railway
    Canada Southern Railway was a 19th- and early 20th-century railway company that operated a key east–west main line across southern Ontario, providing an important international link between the U.S. and Canada.
  • D. Pan Am Railways
    Pan Am Railways was a regional freight railroad in New England, formerly known as Guilford Rail System, that operated an extensive network across the northeastern United States.
  • E. Grand Trunk Pacific Railway
    The Grand Trunk Pacific Railway was an early 20th-century Canadian transcontinental railway that played a key role in opening Western Canada to settlement and trade before its assets were absorbed into the national rail system.
  • 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: BC Rail (historical)
Triple: [Quesnel, British Columbia, railwayService, BC Rail (historical)]
Generated description
BC Rail (historical) was a former provincially owned railway in British Columbia that operated an extensive freight and passenger network across the province before its operations were leased to Canadian National Railway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: BC Rail (historical)
Target entity description: BC Rail (historical) was a former provincially owned railway in British Columbia that operated an extensive freight and passenger network across the province before its operations were leased to Canadian National Railway.
  • A. Canadian Northern Railway
    The Canadian Northern Railway was an early 20th-century Canadian transcontinental railway whose network later became a core component of the Canadian National Railway system.
  • B. Hudson Bay Railway
    The Hudson Bay Railway is a regional rail line in northern Manitoba, Canada, primarily serving remote communities and resource industries and providing a key transportation link to the Port of Churchill on Hudson Bay.
  • C. Canada Southern Railway
    Canada Southern Railway was a 19th- and early 20th-century railway company that operated a key east–west main line across southern Ontario, providing an important international link between the U.S. and Canada.
  • D. Pan Am Railways
    Pan Am Railways was a regional freight railroad in New England, formerly known as Guilford Rail System, that operated an extensive network across the northeastern United States.
  • E. Grand Trunk Pacific Railway
    The Grand Trunk Pacific Railway was an early 20th-century Canadian transcontinental railway that played a key role in opening Western Canada to settlement and trade before its assets were absorbed into the national rail system.
  • 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_69d6ab26aae88190b2489efcb2a24234 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8a5cba708819097467bb7aca7fc65 completed April 10, 2026, 7:24 a.m.
NED1 Entity disambiguation (via context triple) batch_69f131a01aa48190bf5a70759ac886f6 completed April 28, 2026, 10:16 p.m.
NEDg Description generation batch_69f141b31c9081908f19ff870f5f3c33 completed April 28, 2026, 11:24 p.m.
NED2 Entity disambiguation (via description) batch_69f14fdb39d48190828668fc535d7f6a completed April 29, 2026, 12:24 a.m.
Created at: April 8, 2026, 9:42 p.m.