Triple

T22886091
Position Surface form Disambiguated ID Type / Status
Subject Chinatown, Calgary E567607 entity
Predicate hasNearbyStation P5648 FINISHED
Object Centre Street CTrain station (planned Green Line)
Centre Street CTrain station is a planned Green Line light rail transit stop in Calgary that will serve the downtown area near Chinatown.
 E1560335 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: Centre Street CTrain station (planned Green Line) | Statement: [Chinatown, Calgary, hasNearbyStation, Centre Street CTrain station (planned Green Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Centre Street CTrain station (planned Green Line)
Context triple: [Chinatown, Calgary, hasNearbyStation, Centre Street CTrain station (planned Green Line)]
  • A. Central station (CTA Green Line)
    Central station (CTA Green Line) is an elevated Chicago 'L' rapid transit stop in the Austin neighborhood, serving the Green Line's Lake Branch on Chicago's West Side.
  • B. Chicago Transit Authority Green Line stations
    Chicago Transit Authority Green Line stations are the train stops served by the Green Line of Chicago’s ‘L’ rapid transit system.
  • C. Central station (Purple Line)
    Central station (Purple Line) is a Chicago Transit Authority 'L' rapid transit stop on the Purple Line serving the Evanston area north of Chicago.
  • D. Orange Line at Berri–UQAM
    The Orange Line at Berri–UQAM is a major Montreal Metro line stop and transfer hub that serves as one of the system’s busiest interchange stations.
  • E. Ontario Line station
    The Ontario Line station in Thorncliffe Park is a planned rapid transit stop on Toronto’s future Ontario Line, intended to improve subway access and connectivity for the surrounding neighborhood.
  • 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: Centre Street CTrain station (planned Green Line)
Triple: [Chinatown, Calgary, hasNearbyStation, Centre Street CTrain station (planned Green Line)]
Generated description
Centre Street CTrain station is a planned Green Line light rail transit stop in Calgary that will serve the downtown area near Chinatown.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Centre Street CTrain station (planned Green Line)
Target entity description: Centre Street CTrain station is a planned Green Line light rail transit stop in Calgary that will serve the downtown area near Chinatown.
  • A. Central station (CTA Green Line)
    Central station (CTA Green Line) is an elevated Chicago 'L' rapid transit stop in the Austin neighborhood, serving the Green Line's Lake Branch on Chicago's West Side.
  • B. Chicago Transit Authority Green Line stations
    Chicago Transit Authority Green Line stations are the train stops served by the Green Line of Chicago’s ‘L’ rapid transit system.
  • C. Central station (Purple Line)
    Central station (Purple Line) is a Chicago Transit Authority 'L' rapid transit stop on the Purple Line serving the Evanston area north of Chicago.
  • D. Orange Line at Berri–UQAM
    The Orange Line at Berri–UQAM is a major Montreal Metro line stop and transfer hub that serves as one of the system’s busiest interchange stations.
  • E. Ontario Line station
    The Ontario Line station in Thorncliffe Park is a planned rapid transit stop on Toronto’s future Ontario Line, intended to improve subway access and connectivity for the surrounding neighborhood.
  • 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_69e2458a92ec81908fc1cd5f6407d2ab completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f17fc0cdb081908107d40069d9735f completed April 29, 2026, 3:49 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0bb9be4c688190820b484bea11696b completed May 19, 2026, 1:15 a.m.
NEDg Description generation batch_6a0bbb38da508190bc1d9bc8538cdbe2 completed May 19, 2026, 1:22 a.m.
NED2 Entity disambiguation (via description) batch_6a0bbc15b59c8190b918d551b1fb3230 completed May 19, 2026, 1:25 a.m.
Created at: April 17, 2026, 3:40 p.m.