Triple

T9916604
Position Surface form Disambiguated ID Type / Status
Subject St. Catharines railway station E185885 entity
Predicate railwayLineUsed P848 FINISHED
Object Grimsby Subdivision
Grimsby Subdivision is a Canadian railway line in Ontario that forms part of the main corridor linking the Greater Toronto Area with Niagara region communities.
E829972 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: Grimsby Subdivision | Statement: [St. Catharines railway station, railwayLineUsed, Grimsby Subdivision]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Grimsby Subdivision
Context triple: [St. Catharines railway station, railwayLineUsed, Grimsby Subdivision]
  • A. Guelph Subdivision
    Guelph Subdivision is a key railway corridor in Southern Ontario that carries both passenger and freight traffic, including GO Transit's Kitchener line services.
  • B. Hudson Subdivision
    The Hudson Subdivision is a key railroad line in New York State that carries passenger and freight trains along the Hudson River corridor, including service through Albany–Rensselaer station.
  • C. Lakeside branch line
    The Lakeside branch line was a short railway route in England’s Lake District that primarily served tourists traveling to the southern end of Windermere.
  • D. Midland Line
    The Midland Line is a scenic New Zealand railway route across the South Island, best known today for carrying the TranzAlpine passenger service between Christchurch and Greymouth through the Southern Alps.
  • E. Mohawk Subdivision
    The Mohawk Subdivision is a key railroad line in upstate New York that forms part of the main passenger and freight corridor between Albany and western New York.
  • 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: Grimsby Subdivision
Triple: [St. Catharines railway station, railwayLineUsed, Grimsby Subdivision]
Generated description
Grimsby Subdivision is a Canadian railway line in Ontario that forms part of the main corridor linking the Greater Toronto Area with Niagara region communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Grimsby Subdivision
Target entity description: Grimsby Subdivision is a Canadian railway line in Ontario that forms part of the main corridor linking the Greater Toronto Area with Niagara region communities.
  • A. Guelph Subdivision
    Guelph Subdivision is a key railway corridor in Southern Ontario that carries both passenger and freight traffic, including GO Transit's Kitchener line services.
  • B. Hudson Subdivision
    The Hudson Subdivision is a key railroad line in New York State that carries passenger and freight trains along the Hudson River corridor, including service through Albany–Rensselaer station.
  • C. Lakeside branch line
    The Lakeside branch line was a short railway route in England’s Lake District that primarily served tourists traveling to the southern end of Windermere.
  • D. Midland Line
    The Midland Line is a scenic New Zealand railway route across the South Island, best known today for carrying the TranzAlpine passenger service between Christchurch and Greymouth through the Southern Alps.
  • E. Mohawk Subdivision
    The Mohawk Subdivision is a key railroad line in upstate New York that forms part of the main passenger and freight corridor between Albany and western New York.
  • 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_69ca829b45f481909040f7b99a1976ed completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cdb540195881908f25f7dde5c66a75 completed April 2, 2026, 12:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69d20de277e881908e6d09c8cfee92ba completed April 5, 2026, 7:23 a.m.
NEDg Description generation batch_69d211ad04b481909c631ae838aa539d completed April 5, 2026, 7:39 a.m.
NED2 Entity disambiguation (via description) batch_69d21353f62881908afb9546ba7b94b6 completed April 5, 2026, 7:46 a.m.
Created at: March 30, 2026, 8:42 p.m.