Triple

T4285701
Position Surface form Disambiguated ID Type / Status
Subject BMT Division E97262 entity
Predicate hasService P182 FINISHED
Object J (New York City Subway service)
The J is a New York City Subway service that runs along the BMT Jamaica Line, providing local and some peak-direction express service between Jamaica, Queens and Lower Manhattan.
E427743 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: J (New York City Subway service) | Statement: [BMT Division, hasService, J (New York City Subway service)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: J (New York City Subway service)
Context triple: [BMT Division, hasService, J (New York City Subway service)]
  • A. S (New York City Subway service)
    The S (New York City Subway service) is a designation used for the system’s shuttle trains, which provide short, point-to-point connections between specific stations.
  • B. R (New York City Subway service)
    The R (New York City Subway service) is a local rapid transit line in New York City that runs primarily along the BMT Broadway Line in Manhattan and the BMT Fourth Avenue Line in Brooklyn, connecting Queens, Manhattan, and Brooklyn.
  • C. G (New York City Subway service)
    The G is a New York City Subway service that runs entirely within Brooklyn and Queens, connecting neighborhoods without entering Manhattan.
  • D. New York City Subway M line
    The New York City Subway M line is a rapid transit service that runs primarily in Manhattan, Brooklyn, and Queens, connecting neighborhoods such as Middle Village and Forest Hills with Midtown Manhattan via the Sixth Avenue Line.
  • E. BMT Broadway Line
    The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
  • 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: J (New York City Subway service)
Triple: [BMT Division, hasService, J (New York City Subway service)]
Generated description
The J is a New York City Subway service that runs along the BMT Jamaica Line, providing local and some peak-direction express service between Jamaica, Queens and Lower Manhattan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: J (New York City Subway service)
Target entity description: The J is a New York City Subway service that runs along the BMT Jamaica Line, providing local and some peak-direction express service between Jamaica, Queens and Lower Manhattan.
  • A. S (New York City Subway service)
    The S (New York City Subway service) is a designation used for the system’s shuttle trains, which provide short, point-to-point connections between specific stations.
  • B. R (New York City Subway service)
    The R (New York City Subway service) is a local rapid transit line in New York City that runs primarily along the BMT Broadway Line in Manhattan and the BMT Fourth Avenue Line in Brooklyn, connecting Queens, Manhattan, and Brooklyn.
  • C. G (New York City Subway service)
    The G is a New York City Subway service that runs entirely within Brooklyn and Queens, connecting neighborhoods without entering Manhattan.
  • D. New York City Subway M line
    The New York City Subway M line is a rapid transit service that runs primarily in Manhattan, Brooklyn, and Queens, connecting neighborhoods such as Middle Village and Forest Hills with Midtown Manhattan via the Sixth Avenue Line.
  • E. BMT Broadway Line
    The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
  • 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_69b3454595848190a0e6bbb6a2bea040 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b3505bff588190919a4ef547f607c2 completed March 12, 2026, 11:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5b7c657b08190b96135c34622e559 completed March 14, 2026, 7:32 p.m.
NEDg Description generation batch_69b5bba7859481909e2afe21774dc599 completed March 14, 2026, 7:48 p.m.
NED2 Entity disambiguation (via description) batch_69b5bc5f26508190b333ec09c517f7c8 completed March 14, 2026, 7:51 p.m.
Created at: March 12, 2026, 11:07 p.m.