Triple

T15362754
Position Surface form Disambiguated ID Type / Status
Subject Kedzie–Homan E367329 entity
Predicate replaced P101 FINISHED
Object Homan station (Garfield Park branch)
Homan station (Garfield Park branch) was a former Chicago 'L' rapid transit station on the Garfield Park branch that operated until its closure and eventual replacement during system modernization.
 E1153722 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: Homan station (Garfield Park branch) | Statement: [Kedzie–Homan, replaced, Homan station (Garfield Park branch)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Homan station (Garfield Park branch)
Context triple: [Kedzie–Homan, replaced, Homan station (Garfield Park branch)]
  • A. Halsted (Green Line) station
    Halsted (Green Line) station is an elevated Chicago 'L' rapid transit stop on the Green Line located in the Englewood neighborhood on Chicago’s South Side.
  • B. 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.
  • C. Halsted station (CTA Orange Line)
    Halsted station (CTA Orange Line) is a rapid transit stop on Chicago’s Orange Line serving the city’s Southwest Side near the Bridgeport and McKinley Park neighborhoods.
  • D. Morgan Park station
    Morgan Park station is a Metra commuter rail stop serving Chicago’s Morgan Park neighborhood on the city’s Far South Side.
  • 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: Homan station (Garfield Park branch)
Triple: [Kedzie–Homan, replaced, Homan station (Garfield Park branch)]
Generated description
Homan station (Garfield Park branch) was a former Chicago 'L' rapid transit station on the Garfield Park branch that operated until its closure and eventual replacement during system modernization.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Homan station (Garfield Park branch)
Target entity description: Homan station (Garfield Park branch) was a former Chicago 'L' rapid transit station on the Garfield Park branch that operated until its closure and eventual replacement during system modernization.
  • A. Halsted (Green Line) station
    Halsted (Green Line) station is an elevated Chicago 'L' rapid transit stop on the Green Line located in the Englewood neighborhood on Chicago’s South Side.
  • B. 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.
  • C. Halsted station (CTA Orange Line)
    Halsted station (CTA Orange Line) is a rapid transit stop on Chicago’s Orange Line serving the city’s Southwest Side near the Bridgeport and McKinley Park neighborhoods.
  • D. Morgan Park station
    Morgan Park station is a Metra commuter rail stop serving Chicago’s Morgan Park neighborhood on the city’s Far South Side.
  • 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_69d85a1483788190ad93c2748e8af34b completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03e479f188190bbbc3dcd73853e02 completed April 16, 2026, 1:41 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff0b4a181c8190bffc1ac1a86e215d completed May 9, 2026, 10:24 a.m.
NEDg Description generation batch_69ff0f82441c81909a8ae13817fd3e96 completed May 9, 2026, 10:42 a.m.
NED2 Entity disambiguation (via description) batch_69ff0fd586708190a54b33efd27d84b2 completed May 9, 2026, 10:43 a.m.
Created at: April 10, 2026, 3:18 a.m.