Triple

T1180090
Position Surface form Disambiguated ID Type / Status
Subject Pelham Line E25114 entity
Predicate partOf P40 FINISHED
Object IRT Lexington Avenue Line trunk in Manhattan
The IRT Lexington Avenue Line trunk in Manhattan is a major New York City Subway corridor running along the East Side of Manhattan, carrying the 4, 5, and 6 services and serving as one of the system’s busiest and most important north–south routes.
E134563 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: IRT Lexington Avenue Line trunk in Manhattan | Statement: [Pelham Line, partOf, IRT Lexington Avenue Line trunk in Manhattan]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: IRT Lexington Avenue Line trunk in Manhattan
Context triple: [Pelham Line, partOf, IRT Lexington Avenue Line trunk in Manhattan]
  • A. Eighth Avenue Line in Manhattan
    The Eighth Avenue Line in Manhattan is a major New York City Subway trunk line running under Eighth Avenue, carrying several IND services through Midtown and Upper Manhattan.
  • B. Broadway Line in Manhattan
    The Broadway Line in Manhattan is a major New York City Subway trunk line running under Broadway and serving as a key north–south corridor for multiple routes, including the W train.
  • C. New Lots Line
    The New Lots Line is a New York City Subway line in Brooklyn that serves the easternmost portion of the IRT system, terminating at New Lots Avenue.
  • D. Lenox Avenue Line
    The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
  • E. Manhattan Railway elevated lines
    The Manhattan Railway elevated lines were a network of elevated rapid transit railways in Manhattan that formed a key part of New York City's early mass transit system before the expansion of the subway.
  • 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: IRT Lexington Avenue Line trunk in Manhattan
Triple: [Pelham Line, partOf, IRT Lexington Avenue Line trunk in Manhattan]
Generated description
The IRT Lexington Avenue Line trunk in Manhattan is a major New York City Subway corridor running along the East Side of Manhattan, carrying the 4, 5, and 6 services and serving as one of the system’s busiest and most important north–south routes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: IRT Lexington Avenue Line trunk in Manhattan
Target entity description: The IRT Lexington Avenue Line trunk in Manhattan is a major New York City Subway corridor running along the East Side of Manhattan, carrying the 4, 5, and 6 services and serving as one of the system’s busiest and most important north–south routes.
  • A. Eighth Avenue Line in Manhattan
    The Eighth Avenue Line in Manhattan is a major New York City Subway trunk line running under Eighth Avenue, carrying several IND services through Midtown and Upper Manhattan.
  • B. Broadway Line in Manhattan
    The Broadway Line in Manhattan is a major New York City Subway trunk line running under Broadway and serving as a key north–south corridor for multiple routes, including the W train.
  • C. New Lots Line
    The New Lots Line is a New York City Subway line in Brooklyn that serves the easternmost portion of the IRT system, terminating at New Lots Avenue.
  • D. Lenox Avenue Line
    The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
  • E. Manhattan Railway elevated lines
    The Manhattan Railway elevated lines were a network of elevated rapid transit railways in Manhattan that formed a key part of New York City's early mass transit system before the expansion of the subway.
  • 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_69a494267b4c819088c97a59182bf56a completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4bd1226fc819083d526ecd22af8ef completed March 1, 2026, 10:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac6f1f1c188190a96f5718c4e7d59d completed March 7, 2026, 6:31 p.m.
NEDg Description generation batch_69ac6f9c0da48190b8d5615ba582366c completed March 7, 2026, 6:34 p.m.
NED2 Entity disambiguation (via description) batch_69ac7009b52c8190a6f6962cf60de92d completed March 7, 2026, 6:35 p.m.
Created at: March 1, 2026, 7:45 p.m.