Triple

T3444593
Position Surface form Disambiguated ID Type / Status
Subject Harlem E72644 entity
Predicate transportServedBy P1298 FINISHED
Object Metro-North Railroad at Harlem–125th Street E46626 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 Harlem–125th Street | Statement: [Harlem, transportServedBy, Metro-North Railroad at Harlem–125th Street]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metro-North Railroad at Harlem–125th Street
Context triple: [Harlem, transportServedBy, Metro-North Railroad at Harlem–125th Street]
  • A. Harlem Line of the Metro-North Railroad chosen
    The Harlem Line of the Metro-North Railroad is a commuter rail line running from New York City north through Westchester, Putnam, and Dutchess counties, providing key suburban and exurban service into Manhattan.
  • B. New York City Subway Pelham Parkway station
    The New York City Subway Pelham Parkway station is a Bronx rapid transit stop that serves as a key access point for nearby attractions such as the Bronx Zoo.
  • C. Nanuet station
    Nanuet station is a commuter rail stop in Nanuet, New York, serving passengers on New Jersey Transit’s Pascack Valley Line between New Jersey and Rockland County.
  • D. 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.
  • E. Murray Hill station
    Murray Hill station is a commuter rail stop in the Murray Hill neighborhood of Flushing, Queens, served by the Long Island Rail Road.
  • 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_69ad85b05c848190b7a28ceec2bd7b74 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adba2b93dc819094e9cca1a5d9540a completed March 8, 2026, 6:04 p.m.
NED1 Entity disambiguation (via context triple) batch_69b360da33e081908630e3f29ea01530 completed March 13, 2026, 12:56 a.m.
Created at: March 8, 2026, 3:16 p.m.