Triple

T6560006
Position Surface form Disambiguated ID Type / Status
Subject East Washington Street E152554 entity
Predicate hasNearbyStation P5648 FINISHED
Object Washington station (CTA Blue Line) E247916 NE FINISHED

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: Washington station (CTA Blue Line) | Statement: [East Washington Street, hasNearbyStation, Washington station (CTA Blue Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Washington station (CTA Blue Line)
Context triple: [East Washington Street, hasNearbyStation, Washington station (CTA Blue Line)]
  • A. Washington station (CTA Blue Line) chosen
    Washington station (CTA Blue Line) is an underground Chicago 'L' rapid transit station in the Loop that serves the Blue Line beneath Dearborn Street.
  • B. Washington/Wells station (CTA)
    Washington/Wells station (CTA) is an elevated Chicago 'L' train station in the Loop that serves multiple lines and provides convenient access to downtown civic and commercial destinations.
  • C. Howard station (CTA Red Line)
    Howard station (CTA Red Line) is a major Chicago Transit Authority rail terminal on the city’s North Side that serves as an interchange between the Red, Purple, and Yellow Lines.
  • D. Western station (CTA Orange Line)
    Western station (CTA Orange Line) is an elevated rapid transit stop on Chicago's Orange Line serving the city's Southwest Side near the Brighton Park and Gage Park neighborhoods.
  • E. Belmont station (CTA Red Line)
    Belmont station (CTA Red Line) is a major Chicago 'L' rapid transit hub in the Lakeview neighborhood where the Red, Brown, and Purple Lines converge.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69c688058d6881908c19b309cc55dbfa completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6ae22442081909bd6e2ba0091c56b completed March 27, 2026, 4:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6d55c817481908f570b85a6b407f9 completed March 27, 2026, 7:07 p.m.
Created at: March 27, 2026, 1:52 p.m.