Triple

T13034319
Position Surface form Disambiguated ID Type / Status
Subject Grand station (Blue Line) E326517 entity
Predicate hasAdjacentStation P231 FINISHED
Object 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.
 E1020360 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 station (Blue Line) | Statement: [Grand station (Blue Line), hasAdjacentStation, Chicago station (Blue Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chicago station (Blue Line)
Context triple: [Grand station (Blue Line), hasAdjacentStation, Chicago station (Blue Line)]
  • A. 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.
  • B. Red Line (Chicago "L")
    The Red Line is a major rapid transit route of the Chicago "L" system, running north–south through the city and operating 24 hours a day.
  • C. Chicago (Brown Line) station
    Chicago (Brown Line) station is an 'L' rapid transit stop in Chicago, Illinois, serving the CTA's Brown Line trains.
  • D. CTA Blue Line
    The CTA Blue Line is a major Chicago 'L' rapid transit route that runs between O'Hare International Airport, downtown Chicago, and the city's western neighborhoods and suburbs.
  • E. 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.
  • 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 station (Blue Line)
Triple: [Grand station (Blue Line), hasAdjacentStation, Chicago station (Blue Line)]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Chicago station (Blue Line)
Target entity description: 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.
  • A. 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.
  • B. Red Line (Chicago "L")
    The Red Line is a major rapid transit route of the Chicago "L" system, running north–south through the city and operating 24 hours a day.
  • C. Chicago (Brown Line) station
    Chicago (Brown Line) station is an 'L' rapid transit stop in Chicago, Illinois, serving the CTA's Brown Line trains.
  • D. CTA Blue Line
    The CTA Blue Line is a major Chicago 'L' rapid transit route that runs between O'Hare International Airport, downtown Chicago, and the city's western neighborhoods and suburbs.
  • E. 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.
  • 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_69d8076cc45c81908123123f43e69266 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69d97effca908190ab89fdb034e02680 completed April 10, 2026, 10:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6d5fa10fc81908a37b85894f8f849 completed May 3, 2026, 4:58 a.m.
NEDg Description generation batch_69f6db65879c819092387e028b792ab9 completed May 3, 2026, 5:21 a.m.
NED2 Entity disambiguation (via description) batch_69f6dbec7e808190a7cee821ba193bb8 completed May 3, 2026, 5:23 a.m.
Created at: April 9, 2026, 8:54 p.m.