Triple

T22927039
Position Surface form Disambiguated ID Type / Status
Subject Cape Breton and Central Nova Scotia Railway E569337 entity
Predicate successorTo P78 FINISHED
Object Canadian National Railway trackage in eastern Nova Scotia
Canadian National Railway trackage in eastern Nova Scotia comprised the former CN rail lines serving communities across the eastern part of the province, later operated by the Cape Breton and Central Nova Scotia Railway.
E569337 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: Canadian National Railway trackage in eastern Nova Scotia | Statement: [Cape Breton and Central Nova Scotia Railway, successorTo, Canadian National Railway trackage in eastern Nova Scotia]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Canadian National Railway trackage in eastern Nova Scotia
Context triple: [Cape Breton and Central Nova Scotia Railway, successorTo, Canadian National Railway trackage in eastern Nova Scotia]
  • A. Canadian National Railway main line
    The Canadian National Railway main line is a major transcontinental rail corridor in Canada that carries significant freight and passenger traffic across key regions of the country.
  • B. Canadian Pacific Railway mainline
    The Canadian Pacific Railway mainline is a major transcontinental rail corridor that forms a key freight and passenger transportation route across Canada, including through Northern Ontario.
  • C. Cape Breton and Central Nova Scotia Railway
    The Cape Breton and Central Nova Scotia Railway is a regional shortline railway in Nova Scotia, Canada, that provides freight service across the province including the link to Cape Breton Island.
  • D. Canadian National Railway Deux-Montagnes line
    The Canadian National Railway Deux-Montagnes line was a suburban commuter rail line serving the Montreal area, historically operated by Canadian National Railway before later regional transit authorities took over.
  • E. Via Rail Corridor
    The Via Rail Corridor is a heavily traveled passenger rail network in Canada that links major cities in Quebec and Ontario, including Quebec City, Montreal, Ottawa, and Toronto.
  • 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: Canadian National Railway trackage in eastern Nova Scotia
Triple: [Cape Breton and Central Nova Scotia Railway, successorTo, Canadian National Railway trackage in eastern Nova Scotia]
Generated description
Canadian National Railway trackage in eastern Nova Scotia comprised the former CN rail lines serving communities across the eastern part of the province, later operated by the Cape Breton and Central Nova Scotia Railway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Canadian National Railway trackage in eastern Nova Scotia
Target entity description: Canadian National Railway trackage in eastern Nova Scotia comprised the former CN rail lines serving communities across the eastern part of the province, later operated by the Cape Breton and Central Nova Scotia Railway.
  • A. Canadian National Railway main line
    The Canadian National Railway main line is a major transcontinental rail corridor in Canada that carries significant freight and passenger traffic across key regions of the country.
  • B. Canadian Pacific Railway mainline
    The Canadian Pacific Railway mainline is a major transcontinental rail corridor that forms a key freight and passenger transportation route across Canada, including through Northern Ontario.
  • C. Cape Breton and Central Nova Scotia Railway chosen
    The Cape Breton and Central Nova Scotia Railway is a regional shortline railway in Nova Scotia, Canada, that provides freight service across the province including the link to Cape Breton Island.
  • D. Canadian National Railway Deux-Montagnes line
    The Canadian National Railway Deux-Montagnes line was a suburban commuter rail line serving the Montreal area, historically operated by Canadian National Railway before later regional transit authorities took over.
  • E. Via Rail Corridor
    The Via Rail Corridor is a heavily traveled passenger rail network in Canada that links major cities in Quebec and Ontario, including Quebec City, Montreal, Ottawa, and Toronto.
  • F. None of above.

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_69e2458f7d008190901dccbaebeaba24 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f180da10648190a67ba113fa8c1370 completed April 29, 2026, 3:54 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0bc2496f50819098e4bd9a3fa3f6e4 completed May 19, 2026, 1:52 a.m.
NEDg Description generation batch_6a0bc35c3ea08190a3b9111297774e6c completed May 19, 2026, 1:56 a.m.
NED2 Entity disambiguation (via description) batch_6a0bc43eafe081909dfff8b40d624635 completed May 19, 2026, 2 a.m.
Created at: April 17, 2026, 3:43 p.m.