Triple

T18086445
Position Surface form Disambiguated ID Type / Status
Subject Western station (Blue Line) E432845 entity
Predicate servesCorridor P2566 FINISHED
Object Blue Line Congress branch NE NERFINISHED

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: Blue Line Congress branch | Statement: [Western station (Blue Line), servesCorridor, Blue Line Congress branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Blue Line Congress branch
Context triple: [Western station (Blue Line), servesCorridor, Blue Line Congress branch]
  • A. Congress Branch of the Blue Line chosen
    The Congress Branch of the Blue Line is a rapid transit corridor of Chicago's 'L' system that runs in the median of the Eisenhower Expressway, serving neighborhoods on the city's West Side and near-west suburbs.
  • B. Congress Line
    The Congress Line was a former rapid transit route of the Chicago "L" system that ran in the median of the Eisenhower Expressway, later becoming part of today’s Blue Line.
  • C. Blue line
    The Blue line is one of the main lines of the Stockholm metro system, connecting central Stockholm with several northern and western suburbs.
  • D. Congress Line project
    The Congress Line project was a mid-20th-century urban transit initiative that reconfigured Chicago’s West Side rail lines into a modern expressway median rapid transit route, influencing regional travel patterns including service to Racine.
  • E. Powell–Hyde line
    The Powell–Hyde line is one of San Francisco’s iconic cable car routes, running from downtown near Union Square over Nob Hill to the waterfront at Fisherman’s Wharf.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69d8b907d05c819083cc3bd6021089e6 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4dd150ab88190864be2a722d214b8 completed April 19, 2026, 1:48 p.m.
Created at: April 10, 2026, 10:27 a.m.