Triple

T840620
Position Surface form Disambiguated ID Type / Status
Subject Interborough Rapid Transit Company E18167 entity
Predicate openedLine P990 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: [Interborough Rapid Transit Company, openedLine, IRT Nostrand Avenue Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: IRT Nostrand Avenue Line
Context triple: [Interborough Rapid Transit Company, openedLine, 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. 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.
  • 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_69a49389f44881909a608fb27d89f247 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4b2b66c908190a52f731119b77a1e completed March 1, 2026, 9:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac5e95e25881909c3e167417c0ae47 completed March 7, 2026, 5:21 p.m.
Created at: March 1, 2026, 7:38 p.m.