Triple

T5263950
Position Surface form Disambiguated ID Type / Status
Subject New York City Subway A line E118892 entity
Predicate hasServiceVariant P455 FINISHED
Object Lefferts Boulevard branch
The Lefferts Boulevard branch is an eastern Queens spur of New York City’s A subway line that terminates at Ozone Park–Lefferts Boulevard.
E507287 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: Lefferts Boulevard branch | Statement: [New York City Subway A line, hasServiceVariant, Lefferts Boulevard branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lefferts Boulevard branch
Context triple: [New York City Subway A line, hasServiceVariant, Lefferts Boulevard branch]
  • A. Union Square Branch
    The Union Square Branch is a segment of Boston's MBTA Green Line light rail system that extends service to the Union Square area of Somerville.
  • B. Far Rockaway Branch
    The Far Rockaway Branch is a commuter rail line of the Long Island Rail Road serving southeastern Queens and the Far Rockaway neighborhood in New York City.
  • C. Mid-Manhattan Library
    The Mid-Manhattan Library is a major circulating branch of the New York Public Library system in Manhattan, known for its extensive general-interest collections and public services.
  • D. Rockaway Beach Branch
    Rockaway Beach Branch was a former Long Island Rail Road line in Queens, New York City, that once provided passenger service between central Queens and the Rockaway Peninsula.
  • E. Brooklyn Public Library (Central Library)
    Brooklyn Public Library’s Central Library is the flagship branch and main headquarters of the Brooklyn Public Library system, known for its landmark Art Deco building and extensive collections and services.
  • 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: Lefferts Boulevard branch
Triple: [New York City Subway A line, hasServiceVariant, Lefferts Boulevard branch]
Generated description
The Lefferts Boulevard branch is an eastern Queens spur of New York City’s A subway line that terminates at Ozone Park–Lefferts Boulevard.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lefferts Boulevard branch
Target entity description: The Lefferts Boulevard branch is an eastern Queens spur of New York City’s A subway line that terminates at Ozone Park–Lefferts Boulevard.
  • A. Union Square Branch
    The Union Square Branch is a segment of Boston's MBTA Green Line light rail system that extends service to the Union Square area of Somerville.
  • B. Far Rockaway Branch
    The Far Rockaway Branch is a commuter rail line of the Long Island Rail Road serving southeastern Queens and the Far Rockaway neighborhood in New York City.
  • C. Mid-Manhattan Library
    The Mid-Manhattan Library is a major circulating branch of the New York Public Library system in Manhattan, known for its extensive general-interest collections and public services.
  • D. Rockaway Beach Branch
    Rockaway Beach Branch was a former Long Island Rail Road line in Queens, New York City, that once provided passenger service between central Queens and the Rockaway Peninsula.
  • E. Brooklyn Public Library (Central Library)
    Brooklyn Public Library’s Central Library is the flagship branch and main headquarters of the Brooklyn Public Library system, known for its landmark Art Deco building and extensive collections and services.
  • 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_69bd446a42c88190b7ecbef006561d55 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd7bd4a9888190a79ef8e64c764f86 completed March 20, 2026, 4:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69befe88ba588190b130f1857536816f completed March 21, 2026, 8:24 p.m.
NEDg Description generation batch_69beff4322308190b252820e7213f05e completed March 21, 2026, 8:27 p.m.
NED2 Entity disambiguation (via description) batch_69beffe02d208190b857d6aaa4d85dae completed March 21, 2026, 8:30 p.m.
Created at: March 20, 2026, 1:51 p.m.