Triple

T6698670
Position Surface form Disambiguated ID Type / Status
Subject 1 train (IRT Broadway–Seventh Avenue Line) E152819 entity
Predicate usesRollingStock P5426 FINISHED
Object R62A subway cars
The R62A subway cars are stainless-steel New York City Subway rolling stock built in the 1980s for the IRT division, known for their distinctive front-end design and long service on numbered lines.
E611789 NE FINISHED

How this triple was built (4 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: R62A subway cars | Statement: [1 train (IRT Broadway–Seventh Avenue Line), usesRollingStock, R62A subway cars]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: R62A subway cars
Context triple: [1 train (IRT Broadway–Seventh Avenue Line), usesRollingStock, R62A subway cars]
  • A. 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.
  • 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. R68 subway car
    The R68 subway car is a stainless-steel New York City Subway rolling stock class built in the 1980s, primarily used on B Division lines such as the B train.
  • D. R188 subway cars
    The R188 subway cars are a modern fleet of New York City Subway rolling stock built for the IRT Flushing Line, featuring updated technology and communications-based train control compatibility.
  • E. 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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
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: R62A subway cars
Triple: [1 train (IRT Broadway–Seventh Avenue Line), usesRollingStock, R62A subway cars]
Generated description
The R62A subway cars are stainless-steel New York City Subway rolling stock built in the 1980s for the IRT division, known for their distinctive front-end design and long service on numbered lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: R62A subway cars
Target entity description: The R62A subway cars are stainless-steel New York City Subway rolling stock built in the 1980s for the IRT division, known for their distinctive front-end design and long service on numbered lines.
  • A. 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.
  • 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. R68 subway car
    The R68 subway car is a stainless-steel New York City Subway rolling stock class built in the 1980s, primarily used on B Division lines such as the B train.
  • D. R188 subway cars
    The R188 subway cars are a modern fleet of New York City Subway rolling stock built for the IRT Flushing Line, featuring updated technology and communications-based train control compatibility.
  • E. 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.
  • F. None of above. chosen

Provenance (5 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_69c68807adbc8190b8632df42b39eda0 completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d0a6082c819097a4301538399f59 completed March 27, 2026, 6:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6f7bfcb048190b682f4ec7e404b3e completed March 27, 2026, 9:33 p.m.
NEDg Description generation batch_69c6f8955748819092b0e51cff6cab69 completed March 27, 2026, 9:37 p.m.
NED2 Entity disambiguation (via description) batch_69c6f9441d74819098f0639a29fdeb5e completed March 27, 2026, 9:40 p.m.
Created at: March 27, 2026, 2:05 p.m.