Triple

T19439958
Position Surface form Disambiguated ID Type / Status
Subject Green Line West Branch E486321 entity
Predicate hasStation P35 FINISHED
Object 51st station (Green Line) — NE NERFINISHED

How this triple was built (2 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: 51st station (Green Line) | Statement: [Green Line West Branch, hasStation, 51st station (Green Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 51st station (Green Line)
Context triple: [Green Line West Branch, hasStation, 51st station (Green Line)]
  • A. 51st station (Green Line) chosen
    51st station (Green Line) is a Chicago 'L' rapid transit station on the Green Line serving the Washington Park neighborhood on the South Side.
  • B. 47th station (Green Line)
    47th station (Green Line) is an elevated Chicago Transit Authority rapid transit stop located in the Bronzeville neighborhood on the South Side of Chicago.
  • C. 43rd station (Green Line)
    43rd station (Green Line) is a Chicago 'L' rapid transit station on the Green Line serving the Bronzeville neighborhood on the South Side of Chicago.
  • D. Pulaski station (Green Line)
    Pulaski station (Green Line) is an elevated Chicago 'L' rapid transit station on the CTA's Green Line located in the city's West Garfield Park neighborhood.
  • E. Garfield Boulevard Green Line station
    Garfield Boulevard Green Line station is a Chicago Transit Authority elevated train stop on the Green Line serving the Washington Park neighborhood on the South Side of Chicago.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d8e8d7ad488190a3373045029b0f3b completed April 10, 2026, 12:11 p.m.
NER Named-entity recognition batch_69e63364371081908e899c2a47af4e5d completed April 20, 2026, 2:08 p.m.
Created at: April 10, 2026, 1:38 p.m.