Triple

T21923505
Position Surface form Disambiguated ID Type / Status
Subject Dual System era of New York City rapid transit E541379 entity
Predicate hasPart P35 FINISHED
Object BMT Dual Contracts — 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 Dual Contracts | Statement: [Dual System era of New York City rapid transit, hasPart, BMT Dual Contracts]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: BMT Dual Contracts
Context triple: [Dual System era of New York City rapid transit, hasPart, BMT Dual Contracts]
  • A. BMT
    BMT is a long-distance hiking trail in the southeastern United States that traverses the Appalachian Mountains, named after conservationist Benton MacKaye.
  • B. BMT
    BMT (Brooklyn–Manhattan Transit Corporation) was a major private New York City subway operator whose lines now form one of the primary divisions of the modern NYC Subway system.
  • C. Dual Contracts chosen
    Dual Contracts were a series of early 20th-century agreements between New York City and private transit companies that financed and expanded the city’s subway system into a modern, extensive network.
  • D. BMT lines
    BMT lines are a group of New York City Subway routes that originated with the former Brooklyn–Manhattan Transit Corporation and primarily serve Brooklyn and Manhattan.
  • E. Duocon
    Duocon is a type of Transformers combiner formed by two separate vehicle components that merge into a single robot.
  • 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_69e0c47d74488190a15119108794a307 completed April 16, 2026, 11:14 a.m.
NER Named-entity recognition batch_69f1233dc504819083ee27e253805189 completed April 28, 2026, 9:14 p.m.
Created at: April 16, 2026, 7:45 p.m.