Triple

T4591121
Position Surface form Disambiguated ID Type / Status
Subject Chicago Avenue E103489 entity
Predicate hasLandmarkNearby P3449 FINISHED
Object 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.
 E454735 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 Red Line) | Statement: [Chicago Avenue, hasLandmarkNearby, Chicago Avenue station (CTA Red Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chicago Avenue station (CTA Red Line)
Context triple: [Chicago Avenue, hasLandmarkNearby, Chicago Avenue station (CTA Red Line)]
  • A. Addison station (CTA Red Line)
    Addison station (CTA Red Line) is a Chicago 'L' rapid transit stop on the Red Line located in the Lakeview neighborhood, best known for serving fans attending games and events at nearby Wrigley Field.
  • B. 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.
  • C. 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.
  • D. Jackson (CTA Red Line station)
    Jackson is a major Chicago Transit Authority Red Line subway station located in downtown Chicago’s Loop, serving as a key transfer point within the city’s rapid transit system.
  • 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 Red Line)
Triple: [Chicago Avenue, hasLandmarkNearby, Chicago Avenue station (CTA Red Line)]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Chicago Avenue station (CTA Red Line)
Target entity description: 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.
  • A. Addison station (CTA Red Line)
    Addison station (CTA Red Line) is a Chicago 'L' rapid transit stop on the Red Line located in the Lakeview neighborhood, best known for serving fans attending games and events at nearby Wrigley Field.
  • B. 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.
  • C. 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.
  • D. Jackson (CTA Red Line station)
    Jackson is a major Chicago Transit Authority Red Line subway station located in downtown Chicago’s Loop, serving as a key transfer point within the city’s rapid transit system.
  • 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_69bde0cdc7e8819088758c1d6d8e866d completed March 21, 2026, 12:05 a.m.
NEDg Description generation batch_69bde21999688190afc48da7fa2cd869 completed March 21, 2026, 12:11 a.m.
NED2 Entity disambiguation (via description) batch_69bde283e1988190bfa3545d2a362294 completed March 21, 2026, 12:12 a.m.
Created at: March 20, 2026, 1:11 p.m.