Triple

T8201514
Position Surface form Disambiguated ID Type / Status
Subject Q (via Sixth Avenue, historical) E191584 entity
Predicate usedRollingStockType P1305 FINISHED
Object New York City Subway rolling stock
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.
 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: [Q (via Sixth Avenue, historical), usedRollingStockType, New York City Subway rolling stock]

Disambiguation candidates (2 decisions)

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: [Q (via Sixth Avenue, historical), usedRollingStockType, New York City Subway rolling stock]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. R143 subway cars
    The R143 subway cars are a class of New York City Subway rolling stock built in the early 2000s, primarily used on the BMT Canarsie Line and known for introducing modern features like electronic signage and automated announcements.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: New York City Subway rolling stock
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. R143 subway cars
    The R143 subway cars are a class of New York City Subway rolling stock built in the early 2000s, primarily used on the BMT Canarsie Line and known for introducing modern features like electronic signage and automated announcements.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: New York City Subway rolling stock
Triple: [Q (via Sixth Avenue, historical), usedRollingStockType, New York City Subway rolling stock]
Generated description
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.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69ca82c7f3e08190857bf1fc63b2a10c elicitation completed
NER batch_69cb5df6e7548190846a1afd62ec6d0a ner completed
NED1 batch_69ccedc49ba4819099762f200c4e6577 ned_source_triple completed
NED2 batch_69cd05ac594c819087d23a7318fd7704 ned_description completed
NEDg batch_69ccf1b818588190936f96d53bf08c2b nedg completed
Created at: March 30, 2026, 5:43 p.m.