Triple

T630449
Position Surface form Disambiguated ID Type / Status
Subject Midway International Airport E15913 entity
Predicate transportConnection P1298 FINISHED
Object CTA Orange Line
The CTA Orange Line is a Chicago 'L' rapid transit route that runs between the Loop and Midway International Airport, serving the city's Southwest Side.
 E83922 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: CTA Orange Line | Statement: [Midway International Airport, transportConnection, CTA Orange Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CTA Orange Line
Context triple: [Midway International Airport, transportConnection, CTA Orange Line]
  • A. 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.
  • B. CTA Red Line
    The CTA Red Line is a major rapid transit route in Chicago that runs north–south through the city, including service through the downtown Loop.
  • C. CTA Green Line
    The CTA Green Line is one of Chicago's elevated rapid transit routes, running primarily along the city's West and South Sides and serving the downtown Loop.
  • D. CTA Brown Line
    The CTA Brown Line is a Chicago 'L' rapid transit route that runs from the city's Northwest Side into the downtown Loop, serving numerous residential and commercial neighborhoods.
  • E. CTA Pink Line
    The CTA Pink Line is a rapid transit route in Chicago's 'L' system that connects the city's West Side neighborhoods with the downtown Loop.
  • 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: CTA Orange Line
Triple: [Midway International Airport, transportConnection, CTA Orange Line]
Generated description
The CTA Orange Line is a Chicago 'L' rapid transit route that runs between the Loop and Midway International Airport, serving the city's Southwest Side.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CTA Orange Line
Target entity description: The CTA Orange Line is a Chicago 'L' rapid transit route that runs between the Loop and Midway International Airport, serving the city's Southwest Side.
  • A. 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.
  • B. CTA Red Line
    The CTA Red Line is a major rapid transit route in Chicago that runs north–south through the city, including service through the downtown Loop.
  • C. CTA Green Line
    The CTA Green Line is one of Chicago's elevated rapid transit routes, running primarily along the city's West and South Sides and serving the downtown Loop.
  • D. CTA Brown Line
    The CTA Brown Line is a Chicago 'L' rapid transit route that runs from the city's Northwest Side into the downtown Loop, serving numerous residential and commercial neighborhoods.
  • E. CTA Pink Line
    The CTA Pink Line is a rapid transit route in Chicago's 'L' system that connects the city's West Side neighborhoods with the downtown Loop.
  • 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_69a4935c131c8190a5378c6bf101e8cc completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a49ec051bc8190b3e3f8651a367d77 completed March 1, 2026, 8:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69a5dc91ff30819095a00852c3e2dfae completed March 2, 2026, 6:53 p.m.
NEDg Description generation batch_69a5de26ff1081908a60b55a1deab804 completed March 2, 2026, 6:59 p.m.
NED2 Entity disambiguation (via description) batch_69a5ff1ac6f481909915fd5b2e648558 completed March 2, 2026, 9:20 p.m.
Created at: March 1, 2026, 7:35 p.m.