Triple

T20873779
Position Surface form Disambiguated ID Type / Status
Subject Rouge Hill GO Station E513963 entity
Predicate servedByLine P1293 FINISHED
Object Lakeshore East line
The Lakeshore East line is a GO Transit commuter rail corridor in the Greater Toronto Area that runs east from downtown Toronto toward Durham Region.
E1455441 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: Lakeshore East line | Statement: [Rouge Hill GO Station, servedByLine, Lakeshore East line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lakeshore East line
Context triple: [Rouge Hill GO Station, servedByLine, Lakeshore East line]
  • A. Lakeshore West line
    The Lakeshore West line is a major GO Transit commuter rail corridor in the Greater Toronto and Hamilton Area, running along the north shore of Lake Ontario and connecting Toronto with its western suburbs and cities.
  • B. Stouffville line
    The Stouffville line is a commuter rail corridor in the Greater Toronto Area operated by GO Transit, connecting downtown Toronto with communities to the northeast including Markham and Stouffville.
  • C. TTC Line 4 Sheppard
    TTC Line 4 Sheppard is a short east–west subway line in Toronto’s rapid transit network, running under Sheppard Avenue East and connecting several North York neighborhoods to the broader TTC system.
  • D. Richmond Hill line
    The Richmond Hill line is a GO Transit commuter rail corridor in the Greater Toronto Area that runs between Toronto’s Union Station and communities to the north along the Don Valley and Richmond Hill.
  • E. Line 2 Bloor–Danforth
    Line 2 Bloor–Danforth is a major east–west subway line in Toronto’s rapid transit system, running primarily along Bloor Street and Danforth Avenue.
  • 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: Lakeshore East line
Triple: [Rouge Hill GO Station, servedByLine, Lakeshore East line]
Generated description
The Lakeshore East line is a GO Transit commuter rail corridor in the Greater Toronto Area that runs east from downtown Toronto toward Durham Region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lakeshore East line
Target entity description: The Lakeshore East line is a GO Transit commuter rail corridor in the Greater Toronto Area that runs east from downtown Toronto toward Durham Region.
  • A. Lakeshore West line
    The Lakeshore West line is a major GO Transit commuter rail corridor in the Greater Toronto and Hamilton Area, running along the north shore of Lake Ontario and connecting Toronto with its western suburbs and cities.
  • B. Stouffville line
    The Stouffville line is a commuter rail corridor in the Greater Toronto Area operated by GO Transit, connecting downtown Toronto with communities to the northeast including Markham and Stouffville.
  • C. TTC Line 4 Sheppard
    TTC Line 4 Sheppard is a short east–west subway line in Toronto’s rapid transit network, running under Sheppard Avenue East and connecting several North York neighborhoods to the broader TTC system.
  • D. Richmond Hill line
    The Richmond Hill line is a GO Transit commuter rail corridor in the Greater Toronto Area that runs between Toronto’s Union Station and communities to the north along the Don Valley and Richmond Hill.
  • E. Line 2 Bloor–Danforth
    Line 2 Bloor–Danforth is a major east–west subway line in Toronto’s rapid transit system, running primarily along Bloor Street and Danforth Avenue.
  • 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_69e0b4f675cc8190b4e745225b62eb66 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c46639308190a616193f3975d453 completed April 21, 2026, 12:27 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09139e7854819098246a47699fdf1f completed May 17, 2026, 1:02 a.m.
NEDg Description generation batch_6a09145a9b0481909086941cdd981e1a completed May 17, 2026, 1:05 a.m.
NED2 Entity disambiguation (via description) batch_6a0914f1925081909bce8ad0932c6722 completed May 17, 2026, 1:08 a.m.
Created at: April 16, 2026, 12:45 p.m.