Triple

T20331316
Position Surface form Disambiguated ID Type / Status
Subject Bay Parkway E492487 entity
Predicate connectedTo P37 FINISHED
Object New York City Subway West End Line viaduct
The New York City Subway West End Line viaduct is an elevated railway structure in Brooklyn that carries the D train along the BMT West End Line above city streets and neighborhoods.
E1424633 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 West End Line viaduct | Statement: [Bay Parkway, connectedTo, New York City Subway West End Line viaduct]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: New York City Subway West End Line viaduct
Context triple: [Bay Parkway, connectedTo, New York City Subway West End Line viaduct]
  • A. Grand Central Terminal viaduct
    The Grand Central Terminal viaduct is an elevated roadway in Midtown Manhattan that carries Park Avenue traffic around Grand Central Terminal, helping to manage congestion and provide iconic views of the landmark station.
  • B. MTA Bridges and Tunnels network
    The MTA Bridges and Tunnels network is a system of major toll bridges and tunnels in New York City operated by the Metropolitan Transportation Authority, connecting the city’s boroughs and surrounding regions.
  • C. Brooklyn Bridge (elevated services)
    Brooklyn Bridge (elevated services) was a former elevated railway terminal and transit hub at the Manhattan end of the Brooklyn Bridge that connected Brooklyn–Manhattan Transit Corporation lines with other New York City elevated and subway services.
  • D. BMT 60th Street Tunnel Connection
    The BMT 60th Street Tunnel Connection is a New York City Subway link that carries BMT services between Manhattan and Queens via the 60th Street Tunnel.
  • E. 53rd Street Tunnel under the East River
    The 53rd Street Tunnel under the East River is a New York City Subway tunnel carrying E and M trains between Manhattan and Queens as part of the IND Queens Boulevard Line.
  • 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 West End Line viaduct
Triple: [Bay Parkway, connectedTo, New York City Subway West End Line viaduct]
Generated description
The New York City Subway West End Line viaduct is an elevated railway structure in Brooklyn that carries the D train along the BMT West End Line above city streets and neighborhoods.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: New York City Subway West End Line viaduct
Target entity description: The New York City Subway West End Line viaduct is an elevated railway structure in Brooklyn that carries the D train along the BMT West End Line above city streets and neighborhoods.
  • A. Grand Central Terminal viaduct
    The Grand Central Terminal viaduct is an elevated roadway in Midtown Manhattan that carries Park Avenue traffic around Grand Central Terminal, helping to manage congestion and provide iconic views of the landmark station.
  • B. MTA Bridges and Tunnels network
    The MTA Bridges and Tunnels network is a system of major toll bridges and tunnels in New York City operated by the Metropolitan Transportation Authority, connecting the city’s boroughs and surrounding regions.
  • C. Brooklyn Bridge (elevated services)
    Brooklyn Bridge (elevated services) was a former elevated railway terminal and transit hub at the Manhattan end of the Brooklyn Bridge that connected Brooklyn–Manhattan Transit Corporation lines with other New York City elevated and subway services.
  • D. BMT 60th Street Tunnel Connection
    The BMT 60th Street Tunnel Connection is a New York City Subway link that carries BMT services between Manhattan and Queens via the 60th Street Tunnel.
  • E. 53rd Street Tunnel under the East River
    The 53rd Street Tunnel under the East River is a New York City Subway tunnel carrying E and M trains between Manhattan and Queens as part of the IND Queens Boulevard Line.
  • 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_69e0b4a1a09881908d97270d6971a25a completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e677e7baf481909282293d78597634 completed April 20, 2026, 7 p.m.
NED1 Entity disambiguation (via context triple) batch_6a086951af848190ae8085b7917ea551 completed May 16, 2026, 12:55 p.m.
NEDg Description generation batch_6a0869e2a80481909105005195330dc9 completed May 16, 2026, 12:58 p.m.
NED2 Entity disambiguation (via description) batch_6a086a6ad6c88190be1770758d2e1bbf completed May 16, 2026, 1 p.m.
Created at: April 16, 2026, 11:22 a.m.