Triple

T21167241
Position Surface form Disambiguated ID Type / Status
Subject Green Line (CTA) main line E521596 entity
Predicate isCoreCorridorFor P5520 FINISHED
Object Green Line (CTA) branches 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 (CTA) branches | Statement: [Green Line (CTA) main line, isCoreCorridorFor, Green Line (CTA) branches]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Green Line (CTA) branches
Context triple: [Green Line (CTA) main line, isCoreCorridorFor, Green Line (CTA) branches]
  • A. Green Line branches
    Green Line branches are the multiple service routes of Boston's MBTA Green Line light rail system that diverge to serve different neighborhoods and suburbs.
  • B. Green Line (CTA) main line chosen
    The Green Line (CTA) main line is a principal rapid transit route in Chicago’s 'L' system, running primarily along the South and West Sides and serving as a core corridor that branches to multiple termini.
  • C. Purple Line (CTA)
    The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
  • D. Yellow Line (CTA)
    The Yellow Line (CTA), also known as the Skokie Swift, is a short Chicago Transit Authority rapid transit route that runs between Howard and Skokie without serving downtown Chicago.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: isCoreCorridorFor
Context triple: [Green Line (CTA) main line, isCoreCorridorFor, Green Line (CTA) branches]
  • A. isPartOfCorridorSystem
    Indicates that one entity forms a component or segment within a larger interconnected corridor system.
  • B. isStrategicCorridor
    Indicates that a route, passage, or area serves as a critical pathway for movement, access, or control, giving it significant strategic importance.
  • C. hasCorridor chosen
    Indicates that one entity includes, is connected by, or provides access through a corridor to another entity.
  • D. onCorridorBetween
    Indicates that one entity is located along the corridor that lies between two other reference entities or areas.
  • E. isCoreCity
    Indicates that a city serves as a primary, central, or most important urban area within a larger region, system, or network.
  • F. None of above.

Provenance (3 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_69e0b50e30748190b186824a206d39b9 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e7270fce708190a5715b55b406dd4e completed April 21, 2026, 7:28 a.m.
PD Predicate disambiguation batch_69e5f6027c248190a170a36612bd337e completed April 20, 2026, 9:46 a.m.
Created at: April 16, 2026, 3 p.m.