Triple

T20923421
Position Surface form Disambiguated ID Type / Status
Subject Belmont station (CTA North Side Main Line) E515272 entity
Predicate hasAdjacentStationNorth_BrownLine P55420 FINISHED
Object Wellington station (CTA) — 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: Wellington station (CTA) | Statement: [Belmont station (CTA North Side Main Line), hasAdjacentStationNorth_BrownLine, Wellington station (CTA)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Wellington station (CTA)
Context triple: [Belmont station (CTA North Side Main Line), hasAdjacentStationNorth_BrownLine, Wellington station (CTA)]
  • A. Wellington station (CTA) chosen
    Wellington station (CTA) is an elevated Chicago 'L' rapid transit stop in the Lakeview neighborhood served by the Brown and Purple Lines.
  • B. Washington/Wabash station (CTA)
    Washington/Wabash station (CTA) is an elevated Chicago 'L' station in the Loop serving the Brown, Green, Orange, Pink, and Purple Lines.
  • C. Argyle station (CTA)
    Argyle station (CTA) is an elevated Chicago 'L' rapid transit stop on the Red Line serving the Uptown neighborhood’s Argyle Street area.
  • D. Paulina station (CTA)
    Paulina station (CTA) was a former Chicago 'L' rapid transit station on the Brown Line located in the Lakeview neighborhood.
  • E. Sedgwick station (Chicago "L")
    Sedgwick station is a historic Chicago "L" rapid transit stop on the city's North Side that has operated since the early 20th century.
  • 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_69e0b4fb431c8190b9d40e6a72f0cc87 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6f6504c30819084e8cabab98d08f7 completed April 21, 2026, 4 a.m.
Created at: April 16, 2026, 12:49 p.m.