Triple

T19697085
Position Surface form Disambiguated ID Type / Status
Subject Brooklyn–Manhattan Transit Corporation subway network E472987 entity
Predicate predecessorOf P97 FINISHED
Object BMT Division of the New York City Subway — NE NERFINISHED

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: BMT Division of the New York City Subway | Statement: [Brooklyn–Manhattan Transit Corporation subway network, predecessorOf, BMT Division of the New York City Subway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: BMT Division of the New York City Subway
Context triple: [Brooklyn–Manhattan Transit Corporation subway network, predecessorOf, BMT Division of the New York City Subway]
  • A. BMT Division
    BMT Division is a specialized organizational unit focused on bone marrow transplantation and related hematologic treatments.
  • B. BMT Division chosen
    The BMT Division is a former Brooklyn–Manhattan Transit-operated section of the New York City Subway system, encompassing lines originally built and run by the BMT before unification.
  • C. MTA New York City Transit Subdivision B
    MTA New York City Transit Subdivision B is the division of New York City's subway system that operates the lettered lines, including services like the A, B, D, F, N, Q, and R trains.
  • D. A Division (New York City Subway)
    The A Division of the New York City Subway is the group of numbered subway lines originally built to smaller IRT specifications, encompassing routes such as those on the West Side of Manhattan.
  • E. NYC Transit Manhattan Division
    NYC Transit Manhattan Division is the New York City Transit subdivision responsible for operating Manhattan’s local and select bus routes and related surface transit services.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69d8e515bef88190bc30781aea50537a completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6421527b08190858788265043792d completed April 20, 2026, 3:11 p.m.
Created at: April 10, 2026, 1:46 p.m.