Triple

T21966047
Position Surface form Disambiguated ID Type / Status
Subject Addison station (CTA Blue Line) E542458 entity
Predicate hasAdjacentStation P231 FINISHED
Object Irving Park station (CTA Blue Line)
Irving Park station (CTA Blue Line) is an elevated Chicago Transit Authority rapid transit stop on the O'Hare branch of the Blue Line serving the Irving Park neighborhood on the city's Northwest Side.
 E1510110 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: Irving Park station (CTA Blue Line) | Statement: [Addison station (CTA Blue Line), hasAdjacentStation, Irving Park station (CTA Blue Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Irving Park station (CTA Blue Line)
Context triple: [Addison station (CTA Blue Line), hasAdjacentStation, Irving Park station (CTA Blue Line)]
  • A. Forest Park station (CTA Blue Line)
    Forest Park station (CTA Blue Line) is a Chicago Transit Authority rapid transit station in Forest Park, Illinois, serving as the western terminal of the Blue Line.
  • B. 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.
  • C. O'Hare station (CTA Blue Line)
    O'Hare station (CTA Blue Line) is a Chicago Transit Authority rapid transit station located at O'Hare International Airport, serving as the Blue Line’s western terminus and a major gateway between the airport and downtown Chicago.
  • D. Irving Park Metra station
    Irving Park Metra station is a commuter rail station in Chicago, Illinois, serving Metra’s Union Pacific Northwest Line and providing transit connections in the Irving Park neighborhood.
  • E. Rosemont station (CTA Blue Line)
    Rosemont station (CTA Blue Line) is a Chicago Transit Authority rapid transit station on the Blue Line that serves the village of Rosemont near O'Hare International 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: Irving Park station (CTA Blue Line)
Triple: [Addison station (CTA Blue Line), hasAdjacentStation, Irving Park station (CTA Blue Line)]
Generated description
Irving Park station (CTA Blue Line) is an elevated Chicago Transit Authority rapid transit stop on the O'Hare branch of the Blue Line serving the Irving Park neighborhood on the city's Northwest Side.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Irving Park station (CTA Blue Line)
Target entity description: Irving Park station (CTA Blue Line) is an elevated Chicago Transit Authority rapid transit stop on the O'Hare branch of the Blue Line serving the Irving Park neighborhood on the city's Northwest Side.
  • A. Forest Park station (CTA Blue Line)
    Forest Park station (CTA Blue Line) is a Chicago Transit Authority rapid transit station in Forest Park, Illinois, serving as the western terminal of the Blue Line.
  • B. 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.
  • C. O'Hare station (CTA Blue Line)
    O'Hare station (CTA Blue Line) is a Chicago Transit Authority rapid transit station located at O'Hare International Airport, serving as the Blue Line’s western terminus and a major gateway between the airport and downtown Chicago.
  • D. Irving Park Metra station
    Irving Park Metra station is a commuter rail station in Chicago, Illinois, serving Metra’s Union Pacific Northwest Line and providing transit connections in the Irving Park neighborhood.
  • E. Rosemont station (CTA Blue Line)
    Rosemont station (CTA Blue Line) is a Chicago Transit Authority rapid transit station on the Blue Line that serves the village of Rosemont near O'Hare International 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_69e0c47fab1081908dc74a6545dbb051 completed April 16, 2026, 11:14 a.m.
NER Named-entity recognition batch_69f1245aabf88190a44564e6eaaa94ce completed April 28, 2026, 9:19 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a6714dec081908b4b7c33b10c1ccb completed May 18, 2026, 1:10 a.m.
NEDg Description generation batch_6a0a67b1437c81909ad38cf9c183a073 completed May 18, 2026, 1:13 a.m.
NED2 Entity disambiguation (via description) batch_6a0a68244250819082094878c9001b5c completed May 18, 2026, 1:15 a.m.
Created at: April 16, 2026, 8:01 p.m.