Triple

T4591123
Position Surface form Disambiguated ID Type / Status
Subject Chicago Avenue E103489 entity
Predicate hasLandmarkNearby P3449 FINISHED
Object Chicago Avenue station (CTA Purple Line)
Chicago Avenue station (CTA Purple Line) is an elevated Chicago Transit Authority rapid transit stop in Evanston, Illinois, serving the Purple Line.
E460317 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: Chicago Avenue station (CTA Purple Line) | Statement: [Chicago Avenue, hasLandmarkNearby, Chicago Avenue station (CTA Purple Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chicago Avenue station (CTA Purple Line)
Context triple: [Chicago Avenue, hasLandmarkNearby, Chicago Avenue station (CTA Purple Line)]
  • A. Chicago Avenue station (CTA Red Line)
    Chicago Avenue station (CTA Red Line) is an underground Chicago Transit Authority rapid transit stop on the Red Line serving the Near North Side area, including the Magnificent Mile.
  • B. Chicago Avenue station (CTA Brown Line)
    Chicago Avenue station (CTA Brown Line) is an elevated Chicago Transit Authority rapid transit stop on the Brown Line serving the Near North Side of Chicago.
  • C. 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.
  • D. Oak Park station (Blue Line)
    Oak Park station (Blue Line) is an elevated Chicago Transit Authority rapid transit stop in Oak Park, Illinois, serving the Forest Park branch of the Blue Line.
  • E. Loyola station (Chicago "L")
    Loyola station is a Chicago "L" rapid transit stop on the Red Line located in the Rogers Park neighborhood on the city’s North Side.
  • 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: Chicago Avenue station (CTA Purple Line)
Triple: [Chicago Avenue, hasLandmarkNearby, Chicago Avenue station (CTA Purple Line)]
Generated description
Chicago Avenue station (CTA Purple Line) is an elevated Chicago Transit Authority rapid transit stop in Evanston, Illinois, serving the Purple Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chicago Avenue station (CTA Purple Line)
Target entity description: Chicago Avenue station (CTA Purple Line) is an elevated Chicago Transit Authority rapid transit stop in Evanston, Illinois, serving the Purple Line.
  • A. Chicago Avenue station (CTA Red Line)
    Chicago Avenue station (CTA Red Line) is an underground Chicago Transit Authority rapid transit stop on the Red Line serving the Near North Side area, including the Magnificent Mile.
  • B. Chicago Avenue station (CTA Brown Line)
    Chicago Avenue station (CTA Brown Line) is an elevated Chicago Transit Authority rapid transit stop on the Brown Line serving the Near North Side of Chicago.
  • C. 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.
  • D. Oak Park station (Blue Line)
    Oak Park station (Blue Line) is an elevated Chicago Transit Authority rapid transit stop in Oak Park, Illinois, serving the Forest Park branch of the Blue Line.
  • E. Loyola station (Chicago "L")
    Loyola station is a Chicago "L" rapid transit stop on the Red Line located in the Rogers Park neighborhood on the city’s North Side.
  • 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_69bd43dccaf08190aa89e9991a289719 completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd5923c0c88190952137d448d474cf completed March 20, 2026, 2:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69be0341cd848190813675e2d365e341 completed March 21, 2026, 2:32 a.m.
NEDg Description generation batch_69be04f8aeac81909ec199c83af6df39 completed March 21, 2026, 2:39 a.m.
NED2 Entity disambiguation (via description) batch_69be05608ee08190acf947144998660c completed March 21, 2026, 2:41 a.m.
Created at: March 20, 2026, 1:11 p.m.