Triple

T21358854
Position Surface form Disambiguated ID Type / Status
Subject Austin, Chicago E526711 entity
Predicate traversedBy P225 FINISHED
Object Chicago Transit Authority 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: Chicago Transit Authority Green Line | Statement: [Austin, Chicago, traversedBy, Chicago Transit Authority Green Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chicago Transit Authority Green Line
Context triple: [Austin, Chicago, traversedBy, Chicago Transit Authority Green Line]
  • A. 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.
  • B. CTA Green Line chosen
    The CTA Green Line is one of Chicago's elevated rapid transit routes, running primarily along the city's West and South Sides and serving the downtown Loop.
  • C. Chicago Transit Authority
    The Chicago Transit Authority is the primary public transportation agency serving Chicago and several surrounding suburbs, operating the city’s extensive network of buses and rapid transit trains.
  • D. Orange Line Metro Train
    Orange Line Metro Train is a rapid transit line in Lahore, Pakistan, forming part of the city’s metro system and providing high-capacity urban rail service.
  • E. CTA Blue Line
    The CTA Blue Line is a major Chicago 'L' rapid transit route that runs between O'Hare International Airport, downtown Chicago, and the city's western neighborhoods and suburbs.
  • 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_69e0b51d8a308190b09113b3b3f9bc15 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e8afa3924c8190b3decbfda4a2aecf completed April 22, 2026, 11:23 a.m.
Created at: April 16, 2026, 5:07 p.m.