Triple

T18476054
Position Surface form Disambiguated ID Type / Status
Subject California Avenue (Chicago) E451434 entity
Predicate hasPublicTransitConnection P3791 FINISHED
Object California station (CTA Pink Line)
California station (CTA Pink Line) is an elevated Chicago 'L' rapid transit stop on the Pink Line serving the Little Village area on the city's West Side.
 E1327661 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: California station (CTA Pink Line) | Statement: [California Avenue (Chicago), hasPublicTransitConnection, California station (CTA Pink Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: California station (CTA Pink Line)
Context triple: [California Avenue (Chicago), hasPublicTransitConnection, California station (CTA Pink Line)]
  • A. California station (CTA Blue Line)
    California station (CTA Blue Line) is an elevated Chicago 'L' rapid transit stop on the Blue Line located in the Logan Square neighborhood.
  • B. California station (Green Line)
    California station (Green Line) is an elevated Chicago Transit Authority 'L' station located in the city's West Garfield Park neighborhood.
  • C. Chicago station (Blue Line)
    Chicago station (Blue Line) is an underground Chicago 'L' rapid transit station in the city's River West area, serving the Blue Line between downtown and O'Hare International Airport.
  • 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. Pulaski station (CTA Orange Line)
    Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
  • 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: California station (CTA Pink Line)
Triple: [California Avenue (Chicago), hasPublicTransitConnection, California station (CTA Pink Line)]
Generated description
California station (CTA Pink Line) is an elevated Chicago 'L' rapid transit stop on the Pink Line serving the Little Village area on the city's West Side.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: California station (CTA Pink Line)
Target entity description: California station (CTA Pink Line) is an elevated Chicago 'L' rapid transit stop on the Pink Line serving the Little Village area on the city's West Side.
  • A. California station (CTA Blue Line)
    California station (CTA Blue Line) is an elevated Chicago 'L' rapid transit stop on the Blue Line located in the Logan Square neighborhood.
  • B. California station (Green Line)
    California station (Green Line) is an elevated Chicago Transit Authority 'L' station located in the city's West Garfield Park neighborhood.
  • C. Chicago station (Blue Line)
    Chicago station (Blue Line) is an underground Chicago 'L' rapid transit station in the city's River West area, serving the Blue Line between downtown and O'Hare International Airport.
  • 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. Pulaski station (CTA Orange Line)
    Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
  • 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_69d8d38465a0819099b9b42d2a662ac1 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e53062f67881909620c4e8fc00eb7d completed April 19, 2026, 7:43 p.m.
NED1 Entity disambiguation (via context triple) batch_6a04713658008190bacb6a16cd6cb719 completed May 13, 2026, 12:40 p.m.
NEDg Description generation batch_6a0472a21b588190ba1fce35f34166cd completed May 13, 2026, 12:46 p.m.
NED2 Entity disambiguation (via description) batch_6a04743126f88190983910523394649f completed May 13, 2026, 12:53 p.m.
Created at: April 10, 2026, 11:35 a.m.