Triple

T708027
Position Surface form Disambiguated ID Type / Status
Subject 57th Street–Seventh Avenue station E14143 entity
Predicate division P889 FINISHED
Object BMT Division
The BMT Division is a former Brooklyn–Manhattan Transit-operated section of the New York City Subway system, encompassing lines originally built and run by the BMT before unification.
E97262 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 Division | Statement: [57th Street–Seventh Avenue station, division, BMT Division]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: BMT Division
Context triple: [57th Street–Seventh Avenue station, division, BMT Division]
  • A. BMT Division
    BMT Division is a specialized organizational unit focused on bone marrow transplantation and related hematologic treatments.
  • B. 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.
  • C. BMT Nassau Street Line
    The BMT Nassau Street Line is a New York City Subway line in Lower Manhattan that primarily carries J and Z trains through the Financial District.
  • D. Interborough Rapid Transit Company
    The Interborough Rapid Transit Company was the private operator that built and ran New York City's first subway lines in the early 20th century before they were incorporated into the modern NYC Subway system.
  • E. Metropolitan Transportation Authority
    The Metropolitan Transportation Authority is the public agency responsible for operating and overseeing much of the mass transit and commuter rail systems in the New York City metropolitan area.
  • 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 Division
Triple: [57th Street–Seventh Avenue station, division, BMT Division]
Generated description
The BMT Division is a former Brooklyn–Manhattan Transit-operated section of the New York City Subway system, encompassing lines originally built and run by the BMT before unification.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: BMT Division
Target entity description: The BMT Division is a former Brooklyn–Manhattan Transit-operated section of the New York City Subway system, encompassing lines originally built and run by the BMT before unification.
  • A. BMT Division
    BMT Division is a specialized organizational unit focused on bone marrow transplantation and related hematologic treatments.
  • B. 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.
  • C. BMT Nassau Street Line
    The BMT Nassau Street Line is a New York City Subway line in Lower Manhattan that primarily carries J and Z trains through the Financial District.
  • D. Interborough Rapid Transit Company
    The Interborough Rapid Transit Company was the private operator that built and ran New York City's first subway lines in the early 20th century before they were incorporated into the modern NYC Subway system.
  • E. Metropolitan Transportation Authority
    The Metropolitan Transportation Authority is the public agency responsible for operating and overseeing much of the mass transit and commuter rail systems in the New York City metropolitan area.
  • 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_69a493494ec48190ae6751683625a9ba completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a548e6dc819090d31ce33493a396 completed March 1, 2026, 8:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69a76d71a25c81908de9b9e59affb79f completed March 3, 2026, 11:23 p.m.
NEDg Description generation batch_69a78586d5a48190a1423bb4a8fc86b9 completed March 4, 2026, 1:06 a.m.
NED2 Entity disambiguation (via description) batch_69a785db28d48190a8f945598a3396d6 completed March 4, 2026, 1:07 a.m.
Created at: March 1, 2026, 7:36 p.m.