Triple

T15362377
Position Surface form Disambiguated ID Type / Status
Subject Montrose E367319 entity
Predicate partOfBranch P22486 FINISHED
Object O'Hare branch E1127991 NE FINISHED

How this triple was built (2 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: O'Hare branch | Statement: [Montrose, partOfBranch, O'Hare branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: O'Hare branch
Context triple: [Montrose, partOfBranch, O'Hare branch]
  • A. O'Hare branch of the Blue Line chosen
    The O'Hare branch of the Blue Line is the Chicago 'L' rapid transit segment that runs northwest from downtown Chicago to O'Hare International Airport.
  • B. Western (O'Hare branch)
    Western (O'Hare branch) is a Chicago 'L' rapid transit station on the Blue Line serving the city's O'Hare branch.
  • C. O'Hare station
    O'Hare station is a Chicago Transit Authority Blue Line rapid transit station located at O'Hare International Airport, serving as the primary rail link between the airport and downtown Chicago.
  • D. Cermak Branch
    Cermak Branch is a segment of the Chicago Transit Authority’s rapid transit system that forms part of the Pink Line route.
  • E. South Chicago branch
    The South Chicago branch is a commuter rail branch line in Chicago operated as part of Metra's Electric District, serving neighborhoods on the city's South Side.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69d85a1483788190ad93c2748e8af34b completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03e479f188190bbbc3dcd73853e02 completed April 16, 2026, 1:41 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff219863b48190a68e73c85e27472c completed May 9, 2026, 11:59 a.m.
Created at: April 10, 2026, 3:18 a.m.