Triple

T3939546
Position Surface form Disambiguated ID Type / Status
Subject West-Northwest Route E91999 entity
Predicate serviceSuccessor P52678 FINISHED
Object Blue Line (CTA) E74942 NE FINISHED

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: Blue Line (CTA) | Statement: [West-Northwest Route, serviceSuccessor, Blue Line (CTA)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Blue Line (CTA)
Context triple: [West-Northwest Route, serviceSuccessor, Blue Line (CTA)]
  • A. 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.
  • B. 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.
  • C. CTA Blue Line chosen
    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.
  • D. Red Line (Chicago "L")
    The Red Line is a major rapid transit route of the Chicago "L" system, running north–south through the city and operating 24 hours a day.
  • E. Orange Line
    The Orange Line is a light rail route in the Dallas Area Rapid Transit (DART) system serving key destinations including Dallas/Fort Worth International Airport and several northern suburbs.
  • 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: serviceSuccessor
Context triple: [West-Northwest Route, serviceSuccessor, Blue Line (CTA)]
  • A. successorUse
    Indicates that one entity is used or applied as the subsequent or follow-up use of another entity in a sequence or lifecycle.
  • B. successorFacility
    Indicates that one facility directly follows and replaces another in function, ownership, or operation.
  • C. successorRole
    Indicates that one role or position directly follows and replaces another in a sequence or organizational structure.
  • D. successorSystem
    Indicates that one system directly follows and replaces another in function, role, or version.
  • E. successorProcess
    Indicates that one process directly follows another in a defined sequence or workflow.
  • 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_69aed965502c8190904ebad1203a4ae8 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeedfb12b88190a6ca6574b1aadb6e completed March 9, 2026, 3:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69b66b21271c81909f1cf3239bc1b7eb completed March 15, 2026, 8:17 a.m.
PD Predicate disambiguation batch_69aee7625ad4819097e4e8a168c19274 completed March 9, 2026, 3:29 p.m.
PDg Predicate description generation batch_69aeed3260cc8190bf294bdab507b1f9 completed March 9, 2026, 3:54 p.m.
Created at: March 9, 2026, 3:24 p.m.