Triple

T13354495
Position Surface form Disambiguated ID Type / Status
Subject S (New York City Subway service) E318152 entity
Predicate usesRollingStock P5426 FINISHED
Object New York City Subway rolling stock E718664 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: New York City Subway rolling stock | Statement: [S (New York City Subway service), usesRollingStock, New York City Subway rolling stock]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: New York City Subway rolling stock
Context triple: [S (New York City Subway service), usesRollingStock, New York City Subway rolling stock]
  • A. New York City Subway rolling stock chosen
    New York City Subway rolling stock comprises the various generations of passenger rail cars that operate on the New York City Subway system, ranging from early 20th-century designs to modern, air-conditioned, automated trains.
  • B. R46 subway cars
    The R46 subway cars are a class of New York City Subway rolling stock built in the 1970s, known for their stainless-steel bodies and long service on various IND/BMT lines.
  • C. R211 subway cars
    The R211 subway cars are a modern generation of New York City Subway rolling stock featuring updated technology, improved accessibility, and enhanced passenger amenities.
  • D. Staten Island Railway electric multiple units
    Staten Island Railway electric multiple units are the electric-powered passenger train cars that provide regular commuter rail service along New York City’s Staten Island Railway line.
  • E. R160 subway cars
    The R160 subway cars are a class of modern New Technology Train rolling stock used on various New York City Subway lines, featuring electronic signage, automated announcements, and improved accessibility and reliability compared to older fleets.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d806b5a3c08190b42c267fb092f98a elicitation completed
NER batch_69d99f1ef94c81909a59b7c3f77d3335 ner completed
NED1 batch_69f71f49e5548190b14d09daea628e6b ned_source_triple completed
Created at: April 9, 2026, 9:32 p.m.