Triple

T23211459
Position Surface form Disambiguated ID Type / Status
Subject Roosevelt station (CTA) E580604 entity
Predicate hasTransfer P17241 FINISHED
Object Red Line–Green Line
The Red Line–Green Line is a transfer point in Chicago's 'L' rapid transit system where passengers can switch between the Red and Green lines.
E1575202 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: Red Line–Green Line | Statement: [Roosevelt station (CTA), hasTransfer, Red Line–Green Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Red Line–Green Line
Context triple: [Roosevelt station (CTA), hasTransfer, Red Line–Green Line]
  • A. Red Line–Orange Line
    Red Line–Orange Line is a transfer connection point in the Chicago 'L' rapid transit system where passengers can switch between the Red and Orange lines.
  • B. Red Line and Green Line
    Red Line and Green Line are two key Boston MBTA subway lines that intersect at Park Street Station, serving as major routes through the city and surrounding areas.
  • C. Green Line–Orange Line
    Green Line–Orange Line is a major rapid transit interchange in Manila’s LRT/MRT network where the two lines intersect, enabling passenger transfers between them.
  • D. Red Line and Yellow Line
    Red Line and Yellow Line are two intersecting Chicago 'L' rapid transit routes that connect at Howard station on the city's North Side.
  • E. Red Line and Purple Line
    The Red Line and Purple Line are two Chicago 'L' rapid transit routes that share tracks along the North Side and provide commuter service between the city and northern suburbs.
  • 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: Red Line–Green Line
Triple: [Roosevelt station (CTA), hasTransfer, Red Line–Green Line]
Generated description
The Red Line–Green Line is a transfer point in Chicago's 'L' rapid transit system where passengers can switch between the Red and Green lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Red Line–Green Line
Target entity description: The Red Line–Green Line is a transfer point in Chicago's 'L' rapid transit system where passengers can switch between the Red and Green lines.
  • A. Red Line–Orange Line
    Red Line–Orange Line is a transfer connection point in the Chicago 'L' rapid transit system where passengers can switch between the Red and Orange lines.
  • B. Red Line and Green Line
    Red Line and Green Line are two key Boston MBTA subway lines that intersect at Park Street Station, serving as major routes through the city and surrounding areas.
  • C. Green Line–Orange Line
    Green Line–Orange Line is a major rapid transit interchange in Manila’s LRT/MRT network where the two lines intersect, enabling passenger transfers between them.
  • D. Red Line and Yellow Line
    Red Line and Yellow Line are two intersecting Chicago 'L' rapid transit routes that connect at Howard station on the city's North Side.
  • E. Red Line and Purple Line
    The Red Line and Purple Line are two Chicago 'L' rapid transit routes that share tracks along the North Side and provide commuter service between the city and northern suburbs.
  • 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_69e24602ae1481908aaa6bc7ca493867 completed April 17, 2026, 2:38 p.m.
NER Named-entity recognition batch_69f191614bc4819080938752d843dcc6 completed April 29, 2026, 5:04 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c30c6a3688190a6569c98399d334f completed May 19, 2026, 9:43 a.m.
NEDg Description generation batch_6a0c3301e2d08190929ff173d720ebee completed May 19, 2026, 9:53 a.m.
NED2 Entity disambiguation (via description) batch_6a0c3793c0d481908afb12f0cbf56f9b completed May 19, 2026, 10:12 a.m.
Created at: April 17, 2026, 4:07 p.m.