Triple

T386930
Position Surface form Disambiguated ID Type / Status
Subject Upper East Side E8798 entity
Predicate traversedBy P225 FINISHED
Object Second Avenue Subway
The Second Avenue Subway is a New York City Subway line on Manhattan’s East Side, built to relieve congestion on the Lexington Avenue Line and long envisioned as a major north–south transit corridor.
E51029 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: Second Avenue Subway | Statement: [Upper East Side, traversedBy, Second Avenue Subway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Second Avenue Subway
Context triple: [Upper East Side, traversedBy, Second Avenue Subway]
  • A. Flushing Line
    The Flushing Line is a New York City Subway service in Queens and Manhattan, best known today as the 7 train running between Flushing–Main Street and Hudson Yards.
  • B. Lexington Avenue Line
    The Lexington Avenue Line is a major New York City Subway route in Manhattan that carries the 4, 5, and 6 trains and is one of the system’s busiest and most important north–south corridors.
  • C. 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.
  • D. 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.
  • E. Broadway–Seventh Avenue Line
    The Broadway–Seventh Avenue Line is a major New York City Subway route in Manhattan and the Bronx, primarily served by the 1, 2, and 3 trains.
  • 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: Second Avenue Subway
Triple: [Upper East Side, traversedBy, Second Avenue Subway]
Generated description
The Second Avenue Subway is a New York City Subway line on Manhattan’s East Side, built to relieve congestion on the Lexington Avenue Line and long envisioned as a major north–south transit corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Second Avenue Subway
Target entity description: The Second Avenue Subway is a New York City Subway line on Manhattan’s East Side, built to relieve congestion on the Lexington Avenue Line and long envisioned as a major north–south transit corridor.
  • A. Flushing Line
    The Flushing Line is a New York City Subway service in Queens and Manhattan, best known today as the 7 train running between Flushing–Main Street and Hudson Yards.
  • B. Lexington Avenue Line
    The Lexington Avenue Line is a major New York City Subway route in Manhattan that carries the 4, 5, and 6 trains and is one of the system’s busiest and most important north–south corridors.
  • C. 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.
  • D. 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.
  • E. Broadway–Seventh Avenue Line
    The Broadway–Seventh Avenue Line is a major New York City Subway route in Manhattan and the Bronx, primarily served by the 1, 2, and 3 trains.
  • 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_69a2e7f47dd08190a4e294ccbbe46cd4 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2ec447b5481908a5a084787b44ced completed Feb. 28, 2026, 1:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4103bcd788190bbbe4ddf8f71171a completed March 1, 2026, 10:09 a.m.
NEDg Description generation batch_69a41108fce081908efb6b08dc0a7a63 completed March 1, 2026, 10:12 a.m.
NED2 Entity disambiguation (via description) batch_69a4134170008190a5a7d9567de6cc09 completed March 1, 2026, 10:21 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.