Triple

T18308286
Position Surface form Disambiguated ID Type / Status
Subject Blue Line (Calgary) E438547 entity
Predicate terminus P388 FINISHED
Object 69 Street station
69 Street station is a Calgary CTrain light rail station in Alberta, Canada, serving as the western endpoint of the city's Blue Line.
E1319827 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: 69 Street station | Statement: [Blue Line (Calgary), terminus, 69 Street station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 69 Street station
Context triple: [Blue Line (Calgary), terminus, 69 Street station]
  • A. 74th Street–Broadway station
    74th Street–Broadway station is a major New York City Subway station in Queens that serves as a key transfer point on the IRT Flushing Line.
  • B. 96th Street station
    96th Street station is a New York City Subway station on the Second Avenue Line in Manhattan, known for its modern design and prominent public art installations.
  • C. Third Avenue–149th Street station
    Third Avenue–149th Street station is a major New York City Subway station in the Bronx serving the 2 and 5 trains on the IRT White Plains Road Line.
  • D. Lexington Avenue–59th Street station
    Lexington Avenue–59th Street station is a major New York City Subway complex in Manhattan that serves multiple lines and facilitates transfers between the Lexington Avenue Line and other routes near 59th Street.
  • E. Lexington Avenue–63rd Street station
    Lexington Avenue–63rd Street station is a New York City Subway station in Manhattan that serves the F and Q trains, providing a key transfer point between the IND and BMT 63rd Street Lines.
  • 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: 69 Street station
Triple: [Blue Line (Calgary), terminus, 69 Street station]
Generated description
69 Street station is a Calgary CTrain light rail station in Alberta, Canada, serving as the western endpoint of the city's Blue Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 69 Street station
Target entity description: 69 Street station is a Calgary CTrain light rail station in Alberta, Canada, serving as the western endpoint of the city's Blue Line.
  • A. 74th Street–Broadway station
    74th Street–Broadway station is a major New York City Subway station in Queens that serves as a key transfer point on the IRT Flushing Line.
  • B. 96th Street station
    96th Street station is a New York City Subway station on the Second Avenue Line in Manhattan, known for its modern design and prominent public art installations.
  • C. Third Avenue–149th Street station
    Third Avenue–149th Street station is a major New York City Subway station in the Bronx serving the 2 and 5 trains on the IRT White Plains Road Line.
  • D. Lexington Avenue–59th Street station
    Lexington Avenue–59th Street station is a major New York City Subway complex in Manhattan that serves multiple lines and facilitates transfers between the Lexington Avenue Line and other routes near 59th Street.
  • E. Lexington Avenue–63rd Street station
    Lexington Avenue–63rd Street station is a New York City Subway station in Manhattan that serves the F and Q trains, providing a key transfer point between the IND and BMT 63rd Street Lines.
  • 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_69d8b915e3e881909125d760c15d0c29 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e50215e0c48190a4679d432b6ee596 completed April 19, 2026, 4:25 p.m.
NED1 Entity disambiguation (via context triple) batch_6a03cc17dc388190b4c772d0e8d22f42 completed May 13, 2026, 12:55 a.m.
NEDg Description generation batch_6a03ce0d80388190af227d03e161f163 completed May 13, 2026, 1:04 a.m.
NED2 Entity disambiguation (via description) batch_6a03cf6100448190b0e423f437f60f32 completed May 13, 2026, 1:09 a.m.
Created at: April 10, 2026, 10:35 a.m.