Triple

T8868538
Position Surface form Disambiguated ID Type / Status
Subject Harlem–148th Street E211083 entity
Predicate openedAsPartOf P9951 FINISHED
Object IRT Lenox Avenue Line northern extension E22885 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: IRT Lenox Avenue Line northern extension | Statement: [Harlem–148th Street, openedAsPartOf, IRT Lenox Avenue Line northern extension]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: IRT Lenox Avenue Line northern extension
Context triple: [Harlem–148th Street, openedAsPartOf, IRT Lenox Avenue Line northern extension]
  • A. Lenox Avenue Line chosen
    The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
  • B. IRT Nostrand Avenue Line extension
    The IRT Nostrand Avenue Line extension was a New York City Subway expansion project that extended service deeper into Brooklyn along Nostrand Avenue beyond its original terminus.
  • C. Jerome Avenue Line
    The Jerome Avenue Line is a New York City Subway route in the Bronx, primarily served by the 4 train and running along Jerome Avenue from the Yankee Stadium area toward the northern end of the borough.
  • D. New Lots Line
    The New Lots Line is a New York City Subway line in Brooklyn that serves the easternmost portion of the IRT system, terminating at New Lots Avenue.
  • E. Hudson Line
    The Hudson Line is a major passenger rail route running along the east bank of the Hudson River in New York, serving both commuter and intercity trains between New York City and points upstate.
  • 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_69ca838d3c7c8190a849566d5afd2b11 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc61241d048190aead14a8f5589856 completed April 1, 2026, 12:04 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfc929fb94819091980b0994b4f02d completed April 3, 2026, 2:05 p.m.
Created at: March 30, 2026, 6:51 p.m.