Triple

T6474499
Position Surface form Disambiguated ID Type / Status
Subject President Street–Medgar Evers College E146035 entity
Predicate partOfLine P6309 FINISHED
Object IRT Nostrand Avenue Line E26624 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 Nostrand Avenue Line | Statement: [President Street–Medgar Evers College, partOfLine, IRT Nostrand Avenue Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: IRT Nostrand Avenue Line
Context triple: [President Street–Medgar Evers College, partOfLine, IRT Nostrand Avenue Line]
  • A. Eastern Parkway Line
    The Eastern Parkway Line is a major New York City Subway route in Brooklyn that carries 2, 3, 4, and 5 trains along Eastern Parkway as part of the IRT system.
  • B. Nostrand Avenue Line chosen
    The Nostrand Avenue Line is a New York City Subway route in Brooklyn that branches off the IRT Eastern Parkway Line to serve neighborhoods along Nostrand Avenue, terminating at Flatbush Avenue–Brooklyn College.
  • C. Queens Boulevard Line
    The Queens Boulevard Line is a major trunk line of the New York City Subway in Queens, carrying multiple services through some of the borough’s busiest residential and commercial corridors.
  • D. BMT Broadway Line
    The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
  • E. 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.
  • 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_69c008fec7408190af7b146dc63d9750 completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c06a341360819082f2b5496a1a68b0 completed March 22, 2026, 10:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6eec89dc881908ca7a8a8849b87f7 completed March 27, 2026, 8:55 p.m.
Created at: March 22, 2026, 4:50 p.m.