Triple

T4085121
Position Surface form Disambiguated ID Type / Status
Subject R68 subway car E87570 entity
Predicate successorClass P10131 FINISHED
Object R68A subway car
The R68A subway car is a later-generation New York City Subway rolling stock model built for the B Division, featuring updated systems and design refinements over its predecessor.
E87570 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: R68A subway car | Statement: [R68 subway car, successorClass, R68A subway car]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: R68A subway car
Context triple: [R68 subway car, successorClass, R68A subway car]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • 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.
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: R68A subway car
Triple: [R68 subway car, successorClass, R68A subway car]
Generated description
The R68A subway car is a later-generation New York City Subway rolling stock model built for the B Division, featuring updated systems and design refinements over its predecessor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: R68A subway car
Target entity description: The R68A subway car is a later-generation New York City Subway rolling stock model built for the B Division, featuring updated systems and design refinements over its predecessor.
  • A. R68 subway car chosen
    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.
  • B. 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.
  • C. 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.
  • D. 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.
  • 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.

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_69aed9435cf48190ad1da737c962d19d completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefc7b7cc4819089cfbf2b1c23ccc5 completed March 9, 2026, 4:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69b562c9760c8190a9292eb1cea55ab2 completed March 14, 2026, 1:29 p.m.
NEDg Description generation batch_69b563b6b9a48190a7b271fd6873e59f completed March 14, 2026, 1:33 p.m.
NED2 Entity disambiguation (via description) batch_69b5641e09d08190bf83c9a730e1bf34 completed March 14, 2026, 1:35 p.m.
Created at: March 9, 2026, 3:39 p.m.