Triple

T18344803
Position Surface form Disambiguated ID Type / Status
Subject Green Line Ashland/63rd Branch E439507 entity
Predicate connectsTo P845 FINISHED
Object Green Line Cottage Grove Branch — NE NERFINISHED

How this triple was built (3 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: Green Line Cottage Grove Branch | Statement: [Green Line Ashland/63rd Branch, connectsTo, Green Line Cottage Grove Branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Green Line Cottage Grove Branch
Context triple: [Green Line Ashland/63rd Branch, connectsTo, Green Line Cottage Grove Branch]
  • A. Green Line Lake Branch
    The Green Line Lake Branch is a rapid transit line of the Chicago "L" system that runs west from downtown Chicago to the city's West Side and western suburbs.
  • B. Green Line Ashland/63rd Branch
    The Green Line Ashland/63rd Branch is a Chicago 'L' rapid transit branch on the CTA's Green Line that runs through the city's South Side to the Ashland/63rd terminal.
  • C. Green Line West Branch
    The Green Line West Branch is a segment of Chicago's 'L' rapid transit system that carries Green Line trains between Harlem/Lake and Ashland/63rd on the city's West Side.
  • D. Green Line C Branch
    The Green Line C Branch is a light rail service of Boston's MBTA Green Line that runs primarily along Beacon Street between downtown Boston and the suburb of Brookline.
  • E. Forest Park branch of the Blue Line
    The Forest Park branch of the Blue Line is a western segment of Chicago’s rapid transit system that runs between downtown and the suburb of Forest Park.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Green Line Cottage Grove Branch
Target entity description: The Green Line Cottage Grove Branch is a segment of Chicago's 'L' rapid transit system serving the city's South Side along Cottage Grove Avenue.
  • A. Green Line Lake Branch
    The Green Line Lake Branch is a rapid transit line of the Chicago "L" system that runs west from downtown Chicago to the city's West Side and western suburbs.
  • B. Green Line Ashland/63rd Branch
    The Green Line Ashland/63rd Branch is a Chicago 'L' rapid transit branch on the CTA's Green Line that runs through the city's South Side to the Ashland/63rd terminal.
  • C. Green Line West Branch
    The Green Line West Branch is a segment of Chicago's 'L' rapid transit system that carries Green Line trains between Harlem/Lake and Ashland/63rd on the city's West Side.
  • D. Green Line C Branch
    The Green Line C Branch is a light rail service of Boston's MBTA Green Line that runs primarily along Beacon Street between downtown Boston and the suburb of Brookline.
  • E. Forest Park branch of the Blue Line
    The Forest Park branch of the Blue Line is a western segment of Chicago’s rapid transit system that runs between downtown and the suburb of Forest Park.
  • F. None of above. chosen

Provenance (2 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_69d8b9175fec8190af865699b4e64d8c completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e514f3bb888190bdeea4c4d114a43b completed April 19, 2026, 5:46 p.m.
Created at: April 10, 2026, 10:37 a.m.