Triple

T14744211
Position Surface form Disambiguated ID Type / Status
Subject IRT 42nd Street Shuttle E346424 entity
Predicate hasTransferTo P17241 FINISHED
Object Metro-North Railroad at Grand Central Terminal E1067436 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: Metro-North Railroad at Grand Central Terminal | Statement: [IRT 42nd Street Shuttle, hasTransferTo, Metro-North Railroad at Grand Central Terminal]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metro-North Railroad at Grand Central Terminal
Context triple: [IRT 42nd Street Shuttle, hasTransferTo, Metro-North Railroad at Grand Central Terminal]
  • A. Metro-North Railroad at Grand Central Terminal chosen
    Metro-North Railroad at Grand Central Terminal is a major commuter rail hub in Manhattan that provides regional train service between New York City and its northern suburbs in New York and Connecticut.
  • B. Hudson Line at Grand Central Terminal
    The Hudson Line at Grand Central Terminal is a major Metro-North Railroad commuter rail line serving communities along the Hudson River and terminating at New York City's Grand Central Terminal.
  • C. Grand Central LIRR terminal
    Grand Central LIRR terminal is the Long Island Rail Road’s major Manhattan hub located beneath Grand Central Terminal, providing expanded commuter rail service on the East Side of Midtown.
  • D. Penn Station (New York City)
    Penn Station (New York City) is a major underground railroad station and one of the busiest transportation hubs in the United States, serving Amtrak, commuter rail, and subway lines in Midtown Manhattan.
  • E. New Haven Line at Grand Central Terminal
    The New Haven Line at Grand Central Terminal is a major Metro-North Railroad commuter rail service that originates at Manhattan’s Grand Central Terminal and runs northeast through suburban New York and into Connecticut.
  • 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_69d822e6f1c88190bc494d491a907114 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69dec7d002708190a32a4a45e96fc389 completed April 14, 2026, 11:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69fe24ae3d6c819080c015ebc6bc9af0 completed May 8, 2026, 6 p.m.
Created at: April 10, 2026, 1:30 a.m.