Triple

T509333
Position Surface form Disambiguated ID Type / Status
Subject Port Authority Bus Terminal E10570 entity
Predicate servedBy P82 FINISHED
Object New York City Subway C line
The New York City Subway C line is an IND Eighth Avenue Line local service in Manhattan, Brooklyn, and sometimes Queens, known for its blue route color and frequent stops along the west side of Manhattan.
E63953 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: New York City Subway C line | Statement: [Port Authority Bus Terminal, servedBy, New York City Subway C line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: New York City Subway C line
Context triple: [Port Authority Bus Terminal, servedBy, New York City Subway C line]
  • A. 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.
  • B. Queens Boulevard Line
    The Queens Boulevard Line is a major trunk line of the New York City Subway in Queens, carrying multiple services through some of the borough’s busiest residential and commercial corridors.
  • C. 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.
  • 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. 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.
  • 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: New York City Subway C line
Triple: [Port Authority Bus Terminal, servedBy, New York City Subway C line]
Generated description
The New York City Subway C line is an IND Eighth Avenue Line local service in Manhattan, Brooklyn, and sometimes Queens, known for its blue route color and frequent stops along the west side of Manhattan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: New York City Subway C line
Target entity description: The New York City Subway C line is an IND Eighth Avenue Line local service in Manhattan, Brooklyn, and sometimes Queens, known for its blue route color and frequent stops along the west side of Manhattan.
  • A. 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.
  • B. Queens Boulevard Line
    The Queens Boulevard Line is a major trunk line of the New York City Subway in Queens, carrying multiple services through some of the borough’s busiest residential and commercial corridors.
  • C. 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.
  • 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. 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.
  • 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_69a2e848adf881908e5e04f7af030093 completed Feb. 28, 2026, 1:06 p.m.
NER Named-entity recognition batch_69a2f164a9d48190b525a97b5c06ffe2 completed Feb. 28, 2026, 1:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4a14c7d0481908368fb33ab14f4c6 completed March 1, 2026, 8:27 p.m.
NEDg Description generation batch_69a4a1b157dc8190a45625668678c96a completed March 1, 2026, 8:29 p.m.
NED2 Entity disambiguation (via description) batch_69a4a21596d88190bab7a940f3020377 completed March 1, 2026, 8:31 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.