Triple

T11869062
Position Surface form Disambiguated ID Type / Status
Subject 63rd Street–Lexington Avenue E282359 entity
Predicate servesLine P839 FINISHED
Object BMT 63rd Street Line
The BMT 63rd Street Line is a New York City Subway line in Manhattan that carries B, F, and Q trains through the 63rd Street Tunnel between Queens and the Upper East Side.
 E960066 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: BMT 63rd Street Line | Statement: [63rd Street–Lexington Avenue, servesLine, BMT 63rd Street Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: BMT 63rd Street Line
Context triple: [63rd Street–Lexington Avenue, servesLine, BMT 63rd Street Line]
  • A. BMT Fourth Avenue Line
    The BMT Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn, running beneath Fourth Avenue and serving as a key corridor for multiple services.
  • B. BMT Myrtle Avenue Line
    The BMT Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens that primarily carries the M train along an elevated route.
  • C. BMT Franklin Avenue Line
    The BMT Franklin Avenue Line is a short New York City Subway shuttle route in Brooklyn that connects the Fulton Street Line with the Brighton Line.
  • D. 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.
  • E. BMT Archer Avenue Line
    The BMT Archer Avenue Line is a New York City Subway line in Queens that carries BMT services to and from the Jamaica Center–Parsons/Archer terminal.
  • 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: BMT 63rd Street Line
Triple: [63rd Street–Lexington Avenue, servesLine, BMT 63rd Street Line]
Generated description
The BMT 63rd Street Line is a New York City Subway line in Manhattan that carries B, F, and Q trains through the 63rd Street Tunnel between Queens and the Upper East Side.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: BMT 63rd Street Line
Target entity description: The BMT 63rd Street Line is a New York City Subway line in Manhattan that carries B, F, and Q trains through the 63rd Street Tunnel between Queens and the Upper East Side.
  • A. BMT Fourth Avenue Line
    The BMT Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn, running beneath Fourth Avenue and serving as a key corridor for multiple services.
  • B. BMT Myrtle Avenue Line
    The BMT Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens that primarily carries the M train along an elevated route.
  • C. BMT Franklin Avenue Line
    The BMT Franklin Avenue Line is a short New York City Subway shuttle route in Brooklyn that connects the Fulton Street Line with the Brighton Line.
  • D. 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.
  • E. BMT Archer Avenue Line
    The BMT Archer Avenue Line is a New York City Subway line in Queens that carries BMT services to and from the Jamaica Center–Parsons/Archer terminal.
  • 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_69d6ab2945d081908a5851c916cbcfb5 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8a73c04e4819084c0b2ff8e5d2f04 completed April 10, 2026, 7:31 a.m.
NED1 Entity disambiguation (via context triple) batch_69f48a4d0e908190b6465b1094373e2c completed May 1, 2026, 11:11 a.m.
NEDg Description generation batch_69f48fc3baac8190af87b55164f00b26 completed May 1, 2026, 11:34 a.m.
NED2 Entity disambiguation (via description) batch_69f495ab52788190a886f7014267f8e2 completed May 1, 2026, 11:59 a.m.
Created at: April 8, 2026, 9:43 p.m.