Triple

T4285703
Position Surface form Disambiguated ID Type / Status
Subject BMT Division E97262 entity
Predicate hasService P182 FINISHED
Object L (New York City Subway service)
The L is a New York City Subway rapid transit service that runs primarily along 14th Street in Manhattan and through Williamsburg and Bushwick in Brooklyn, known for its fully automated trains and heavy ridership.
E427744 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: L (New York City Subway service) | Statement: [BMT Division, hasService, L (New York City Subway service)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: L (New York City Subway service)
Context triple: [BMT Division, hasService, L (New York City Subway service)]
  • A. 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.
  • B. New York City Subway N line
    The New York City Subway N line is a rapid transit service in the B Division that runs through Brooklyn, Manhattan, and Queens, including express service in Manhattan and Brooklyn along the Broadway and Fourth Avenue lines.
  • C. New York City Subway C line
    The New York City Subway C line is an IND Eighth Avenue Line local service in Manhattan, Brooklyn, and sometimes Queens, known for its blue route color and frequent stops along the west side of Manhattan.
  • D. New York City Subway F line
    The New York City Subway F line is a major rapid transit service running through Queens, Manhattan, and Brooklyn, connecting neighborhoods such as Jamaica, Midtown, and Coney Island.
  • E. New York City Subway R line
    The New York City Subway R line is a local service in the B Division that primarily runs along the Broadway Line in Manhattan and Fourth Avenue Line in Brooklyn, connecting Queens to southern Brooklyn.
  • 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: L (New York City Subway service)
Triple: [BMT Division, hasService, L (New York City Subway service)]
Generated description
The L is a New York City Subway rapid transit service that runs primarily along 14th Street in Manhattan and through Williamsburg and Bushwick in Brooklyn, known for its fully automated trains and heavy ridership.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: L (New York City Subway service)
Target entity description: The L is a New York City Subway rapid transit service that runs primarily along 14th Street in Manhattan and through Williamsburg and Bushwick in Brooklyn, known for its fully automated trains and heavy ridership.
  • A. 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.
  • B. New York City Subway N line
    The New York City Subway N line is a rapid transit service in the B Division that runs through Brooklyn, Manhattan, and Queens, including express service in Manhattan and Brooklyn along the Broadway and Fourth Avenue lines.
  • C. New York City Subway C line
    The New York City Subway C line is an IND Eighth Avenue Line local service in Manhattan, Brooklyn, and sometimes Queens, known for its blue route color and frequent stops along the west side of Manhattan.
  • D. New York City Subway F line
    The New York City Subway F line is a major rapid transit service running through Queens, Manhattan, and Brooklyn, connecting neighborhoods such as Jamaica, Midtown, and Coney Island.
  • E. New York City Subway R line
    The New York City Subway R line is a local service in the B Division that primarily runs along the Broadway Line in Manhattan and Fourth Avenue Line in Brooklyn, connecting Queens to southern Brooklyn.
  • 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.