Triple

T19807964
Position Surface form Disambiguated ID Type / Status
Subject Bay 50th Street E475863 entity
Predicate code P1537 FINISHED
Object BMT West End Line station — 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: BMT West End Line station | Statement: [Bay 50th Street, code, BMT West End Line station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: BMT West End Line station
Context triple: [Bay 50th Street, code, BMT West End Line station]
  • A. BMT Canarsie Line station
    The BMT Canarsie Line station at 14th Street–Sixth Avenue is a New York City Subway station on the L train, serving Manhattan’s Chelsea and Greenwich Village neighborhoods as part of the Canarsie Line.
  • B. Borough Hall station
    Borough Hall station is a major New York City Subway complex in Downtown Brooklyn that serves as a key transit hub connecting multiple lines beneath the Brooklyn Borough Hall and courthouse area.
  • C. West Side Avenue station
    West Side Avenue station is a Hudson–Bergen Light Rail terminal in Jersey City, New Jersey, providing local transit access for the Greenville neighborhood and surrounding areas.
  • D. Church Street station
    Church Street station is a commuter rail station in downtown Orlando, Florida, serving SunRail passengers and connecting them to the city's central business and entertainment districts.
  • E. Church Street station
    Church Street station is an underground Muni Metro light rail stop in San Francisco’s Castro/Church Street area, serving multiple Market Street subway lines.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: BMT West End Line station
Target entity description: BMT West End Line station refers to the Bay 50th Street stop on New York City’s BMT West End Line, a local subway station in Brooklyn served by the D train.
  • A. BMT Canarsie Line station
    The BMT Canarsie Line station at 14th Street–Sixth Avenue is a New York City Subway station on the L train, serving Manhattan’s Chelsea and Greenwich Village neighborhoods as part of the Canarsie Line.
  • B. Borough Hall station
    Borough Hall station is a major New York City Subway complex in Downtown Brooklyn that serves as a key transit hub connecting multiple lines beneath the Brooklyn Borough Hall and courthouse area.
  • C. West Side Avenue station
    West Side Avenue station is a Hudson–Bergen Light Rail terminal in Jersey City, New Jersey, providing local transit access for the Greenville neighborhood and surrounding areas.
  • D. Church Street station
    Church Street station is a commuter rail station in downtown Orlando, Florida, serving SunRail passengers and connecting them to the city's central business and entertainment districts.
  • E. Church Street station
    Church Street station is an underground Muni Metro light rail stop in San Francisco’s Castro/Church Street area, serving multiple Market Street subway lines.
  • F. None of above. chosen

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_69d8e51bc4208190a1c57d8c5d1b15e4 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e65429fec8819091e20908101b50eb completed April 20, 2026, 4:28 p.m.
Created at: April 10, 2026, 1:49 p.m.