Triple

T16909071
Position Surface form Disambiguated ID Type / Status
Subject Washington (Blue) E410145 entity
Predicate partOf P40 FINISHED
Object Dearborn Street subway E92000 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: Dearborn Street subway | Statement: [Washington (Blue), partOf, Dearborn Street subway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Dearborn Street subway
Context triple: [Washington (Blue), partOf, Dearborn Street subway]
  • A. Dearborn Street subway chosen
    The Dearborn Street subway is an underground rapid transit tunnel in downtown Chicago that carries Chicago Transit Authority trains beneath Dearborn Street.
  • B. Market Street subway
    The Market Street subway is a major underground transit corridor in San Francisco that carries both BART and Muni Metro trains beneath Market Street through the city’s downtown.
  • C. Archer Avenue Subway
    The Archer Avenue Subway is a New York City Subway extension in Queens that opened in the late 1980s to replace portions of the demolished elevated Jamaica Line and improve transit access to the Jamaica Center area.
  • D. Rector Street subway station
    Rector Street subway station is a New York City Subway stop in Lower Manhattan serving the Financial District near the World Trade Center and Battery Park.
  • E. Fulton Street subway corridor
    The Fulton Street subway corridor is a major New York City Subway trunk line running through Lower Manhattan and into Brooklyn, serving as a key east–west transit artery for multiple lines and stations.
  • 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_69d886c7b1e481908c3766dfa8c13458 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3ca3bdc3081908a9b4f6e63405348 completed April 18, 2026, 6:15 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00c7b98d5c8190b61de47b246549e3 completed May 10, 2026, 6 p.m.
Created at: April 10, 2026, 5:30 a.m.