Triple

T22886272
Position Surface form Disambiguated ID Type / Status
Subject Calgary Central Library E567611 entity
Predicate publicTransitAccess P1288 FINISHED
Object City Hall CTrain station
City Hall CTrain station is a downtown Calgary light rail transit stop on the CTrain system that serves key civic and cultural destinations, including municipal buildings and the Central Library.
E1560343 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: City Hall CTrain station | Statement: [Calgary Central Library, publicTransitAccess, City Hall CTrain station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: City Hall CTrain station
Context triple: [Calgary Central Library, publicTransitAccess, City Hall CTrain station]
  • A. City Hall light rail station
    City Hall light rail station is a central stop on Jerusalem’s light rail system, providing convenient access to the city’s municipal and commercial core.
  • B. Civic Center Transit Center
    Civic Center Transit Center is a major public transportation hub in downtown St. Louis that serves local buses, light rail, and other transit services.
  • C. Sunnyside CTrain station
    Sunnyside CTrain station is a light rail transit stop on Calgary’s CTrain network serving the inner-city Kensington neighborhood just northwest of downtown.
  • D. Union Station (Denver)
    Union Station (Denver) is a historic transportation hub and renovated mixed-use landmark in downtown Denver that serves as the city’s central rail, bus, and light rail terminal.
  • E. Northgate Transit Center
    Northgate Transit Center is a major bus and light rail hub in Seattle’s Northgate neighborhood, serving as a key connection point for regional transit in King County.
  • 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: City Hall CTrain station
Triple: [Calgary Central Library, publicTransitAccess, City Hall CTrain station]
Generated description
City Hall CTrain station is a downtown Calgary light rail transit stop on the CTrain system that serves key civic and cultural destinations, including municipal buildings and the Central Library.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: City Hall CTrain station
Target entity description: City Hall CTrain station is a downtown Calgary light rail transit stop on the CTrain system that serves key civic and cultural destinations, including municipal buildings and the Central Library.
  • A. City Hall light rail station
    City Hall light rail station is a central stop on Jerusalem’s light rail system, providing convenient access to the city’s municipal and commercial core.
  • B. Civic Center Transit Center
    Civic Center Transit Center is a major public transportation hub in downtown St. Louis that serves local buses, light rail, and other transit services.
  • C. Sunnyside CTrain station
    Sunnyside CTrain station is a light rail transit stop on Calgary’s CTrain network serving the inner-city Kensington neighborhood just northwest of downtown.
  • D. Union Station (Denver)
    Union Station (Denver) is a historic transportation hub and renovated mixed-use landmark in downtown Denver that serves as the city’s central rail, bus, and light rail terminal.
  • E. Northgate Transit Center
    Northgate Transit Center is a major bus and light rail hub in Seattle’s Northgate neighborhood, serving as a key connection point for regional transit in King County.
  • 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_69f17fc1e3408190833a062afbea509d 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.