Triple

T19539747
Position Surface form Disambiguated ID Type / Status
Subject Green Line South Side Main Line E488863 entity
Predicate connectsTo P845 FINISHED
Object Brown Line (via transfer stations) — 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: Brown Line (via transfer stations) | Statement: [Green Line South Side Main Line, connectsTo, Brown Line (via transfer stations)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Brown Line (via transfer stations)
Context triple: [Green Line South Side Main Line, connectsTo, Brown Line (via transfer stations)]
  • A. Orange Line (via transfer stations)
    The Orange Line (via transfer stations) is a rapid transit route in the Chicago 'L' system that can be accessed from the Green Line South Side Main Line through designated interchange stations.
  • B. Blue Line (via transfer stations)
    The Blue Line (via transfer stations) is a rapid transit route in the Chicago 'L' system that can be reached from the Green Line South Side Main Line by making transfers at designated interchange stations.
  • C. Brown Line and Purple Line Express
    Brown Line and Purple Line Express are Chicago 'L' rapid transit services that share tracks on the city's North Side, with the Purple Line Express providing weekday rush-hour service to and from downtown.
  • D. Red Line and Brown Line
    The Red Line and Brown Line are two major Chicago 'L' rapid transit routes that intersect at several key stations and serve different corridors of the city.
  • E. Red Line (CTA) stations
    Red Line (CTA) stations are the train stops along Chicago's busiest rapid transit route, running north–south through the city and serving key neighborhoods and destinations.
  • 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: Brown Line (via transfer stations)
Target entity description: The Brown Line (via transfer stations) is a Chicago 'L' rapid transit route serving the city's North Side and downtown Loop, accessible from the Green Line South Side Main Line through designated transfer points.
  • A. Orange Line (via transfer stations)
    The Orange Line (via transfer stations) is a rapid transit route in the Chicago 'L' system that can be accessed from the Green Line South Side Main Line through designated interchange stations.
  • B. Blue Line (via transfer stations)
    The Blue Line (via transfer stations) is a rapid transit route in the Chicago 'L' system that can be reached from the Green Line South Side Main Line by making transfers at designated interchange stations.
  • C. Brown Line and Purple Line Express
    Brown Line and Purple Line Express are Chicago 'L' rapid transit services that share tracks on the city's North Side, with the Purple Line Express providing weekday rush-hour service to and from downtown.
  • D. Red Line and Brown Line
    The Red Line and Brown Line are two major Chicago 'L' rapid transit routes that intersect at several key stations and serve different corridors of the city.
  • E. Red Line (CTA) stations
    Red Line (CTA) stations are the train stops along Chicago's busiest rapid transit route, running north–south through the city and serving key neighborhoods and destinations.
  • 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_69d8e8db5b6c8190984b61f91981f575 completed April 10, 2026, 12:11 p.m.
NER Named-entity recognition batch_69e63871d00881909ed7371ae5577957 completed April 20, 2026, 2:30 p.m.
Created at: April 10, 2026, 1:41 p.m.