Triple

T10001495
Position Surface form Disambiguated ID Type / Status
Subject Wakefield–241st Street E197337 entity
Predicate openedAsPartOf P9951 FINISHED
Object IRT White Plains Road Line extension E25367 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 White Plains Road Line extension | Statement: [Wakefield–241st Street, openedAsPartOf, IRT White Plains Road Line extension]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: IRT White Plains Road Line extension
Context triple: [Wakefield–241st Street, openedAsPartOf, IRT White Plains Road Line extension]
  • A. 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.
  • B. White Plains Road Line chosen
    The White Plains Road Line is a major New York City Subway route in the Bronx, primarily served by the 2 and 5 trains and running along White Plains Road.
  • C. Morristown Line
    The Morristown Line is a New Jersey Transit commuter rail route serving towns between Hoboken/New York and western New Jersey, including Morristown.
  • D. Mattapan High-Speed Line
    The Mattapan High-Speed Line is a light rail transit line in Boston, Massachusetts, operating historic trolley cars between Ashmont and Mattapan stations as part of the MBTA system.
  • E. Westchester electric commuter line
    The Westchester electric commuter line was an early 20th-century electrified interurban railway serving suburban communities between New York City and Westchester County.
  • 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_69ca82f3b61c81908ecc2c1c96dbc2e4 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cdcc8f50888190b2f1c5240cb58e4f completed April 2, 2026, 1:55 a.m.
NED1 Entity disambiguation (via context triple) batch_69d26a41e25881908c7d1e15daeffc44 completed April 5, 2026, 1:57 p.m.
Created at: March 30, 2026, 8:51 p.m.