Triple

T789198
Position Surface form Disambiguated ID Type / Status
Subject Line 4 Sheppard E16872 entity
Predicate hasFormerName P65 FINISHED
Object Sheppard subway
Sheppard subway is a Toronto Transit Commission rapid transit line in North York that runs east–west along Sheppard Avenue.
 E140181 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: Sheppard subway | Statement: [Line 4 Sheppard, hasFormerName, Sheppard subway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sheppard subway
Context triple: [Line 4 Sheppard, hasFormerName, Sheppard subway]
  • A. Market Street subway
    The Market Street subway is a major underground transit corridor in San Francisco that carries both BART and Muni Metro trains beneath Market Street through the city’s downtown.
  • B. Buchanan Street subway station
    Buchanan Street subway station is a central Glasgow Subway station serving the busy Buchanan Street shopping district in Glasgow, Scotland.
  • C. Queens Quay streetcar line
    The Queens Quay streetcar line is a Toronto streetcar route that runs along the city’s central waterfront, serving key destinations and attractions on Queens Quay.
  • D. Dearborn Street subway
    The Dearborn Street subway is an underground rapid transit tunnel in downtown Chicago that carries Chicago Transit Authority trains beneath Dearborn Street.
  • E. Hillhead subway station
    Hillhead subway station is a key stop on Glasgow’s Subway system, serving the West End and the nearby University of Glasgow.
  • 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: Sheppard subway
Triple: [Line 4 Sheppard, hasFormerName, Sheppard subway]
Generated description
Sheppard subway is a Toronto Transit Commission rapid transit line in North York that runs east–west along Sheppard Avenue.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Sheppard subway
Target entity description: Sheppard subway is a Toronto Transit Commission rapid transit line in North York that runs east–west along Sheppard Avenue.
  • A. Market Street subway
    The Market Street subway is a major underground transit corridor in San Francisco that carries both BART and Muni Metro trains beneath Market Street through the city’s downtown.
  • B. Buchanan Street subway station
    Buchanan Street subway station is a central Glasgow Subway station serving the busy Buchanan Street shopping district in Glasgow, Scotland.
  • C. Queens Quay streetcar line
    The Queens Quay streetcar line is a Toronto streetcar route that runs along the city’s central waterfront, serving key destinations and attractions on Queens Quay.
  • D. Dearborn Street subway
    The Dearborn Street subway is an underground rapid transit tunnel in downtown Chicago that carries Chicago Transit Authority trains beneath Dearborn Street.
  • E. Hillhead subway station
    Hillhead subway station is a key stop on Glasgow’s Subway system, serving the West End and the nearby University of Glasgow.
  • 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_69a4936cb7448190914f5fe4b8d81607 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a7841b0c8190859ecd247e32c6ec completed March 1, 2026, 8:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac82e8bd788190a20a580bae9bd94e completed March 7, 2026, 7:56 p.m.
NEDg Description generation batch_69ac870e762881909b8fb892a1f0c338 completed March 7, 2026, 8:14 p.m.
NED2 Entity disambiguation (via description) batch_69ac8761ff0481908eeabcc1b10d7492 completed March 7, 2026, 8:15 p.m.
Created at: March 1, 2026, 7:38 p.m.