Triple

T6763703
Position Surface form Disambiguated ID Type / Status
Subject Logan Square, Chicago E154659 entity
Predicate servedByTransit P82 FINISHED
Object 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.
 E618058 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 Blue Line) | Statement: [Logan Square, Chicago, servedByTransit, California station (CTA Blue Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: California station (CTA Blue Line)
Context triple: [Logan Square, Chicago, servedByTransit, California station (CTA Blue Line)]
  • A. 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.
  • B. Addison station (CTA Blue Line)
    Addison station (CTA Blue Line) is an elevated Chicago Transit Authority rapid transit stop on the Blue Line serving the Avondale neighborhood on the city’s Northwest Side.
  • C. 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.
  • D. 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.
  • 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 Blue Line)
Triple: [Logan Square, Chicago, servedByTransit, California station (CTA Blue Line)]
Generated description
California station (CTA Blue Line) is an elevated Chicago 'L' rapid transit stop on the Blue Line located in the Logan Square neighborhood.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: California station (CTA Blue Line)
Target entity description: California station (CTA Blue Line) is an elevated Chicago 'L' rapid transit stop on the Blue Line located in the Logan Square neighborhood.
  • A. 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.
  • B. Addison station (CTA Blue Line)
    Addison station (CTA Blue Line) is an elevated Chicago Transit Authority rapid transit stop on the Blue Line serving the Avondale neighborhood on the city’s Northwest Side.
  • C. 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.
  • D. 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.
  • 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_69c688109c1c8190added9a221292af0 completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d2160a2c8190837c608a3509c62c completed March 27, 2026, 6:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69c712b9e7f081909d9fcc219ac525b8 completed March 27, 2026, 11:28 p.m.
NEDg Description generation batch_69c71396f1f88190b3316e694424a2fe completed March 27, 2026, 11:32 p.m.
NED2 Entity disambiguation (via description) batch_69c7146413748190b844d9422dce42c2 completed March 27, 2026, 11:36 p.m.
Created at: March 27, 2026, 2:12 p.m.