Triple

T6321534
Position Surface form Disambiguated ID Type / Status
Subject Harlem River crossings E141749 entity
Predicate include P1393 FINISHED
Object IRT Broadway–Seventh Avenue Line bridge at 145th Street
The IRT Broadway–Seventh Avenue Line bridge at 145th Street is a New York City subway swing bridge carrying the 1 train across the Harlem River between Manhattan and the Bronx.
E585142 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 Broadway–Seventh Avenue Line bridge at 145th Street | Statement: [Harlem River crossings, include, IRT Broadway–Seventh Avenue Line bridge at 145th Street]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: IRT Broadway–Seventh Avenue Line bridge at 145th Street
Context triple: [Harlem River crossings, include, IRT Broadway–Seventh Avenue Line bridge at 145th Street]
  • A. Manhattan Bridge (B train)
    The Manhattan Bridge (B train) is a major New York City Subway crossing that carries B and D line trains between Brooklyn and Manhattan as part of the BMT Broadway and IND Sixth Avenue services.
  • B. Queensboro Bridge (Queens side)
    Queensboro Bridge (Queens side) refers to the portion of the historic cantilever bridge where it connects to and enters the borough of Queens in New York City.
  • C. Manhattan Bridge
    The Manhattan Bridge is a suspension bridge in New York City that connects Lower Manhattan and Downtown Brooklyn and carries both vehicular traffic and subway lines.
  • D. George Washington Bridge (Manhattan approach)
    The George Washington Bridge (Manhattan approach) is the major roadway and interchange complex in Upper Manhattan that connects local streets and highways to the George Washington Bridge spanning the Hudson River between New York and New Jersey.
  • E. Bronx (via Throgs Neck Bridge)
    Bronx (via Throgs Neck Bridge) refers to the New York City borough located at the northern end of the Throgs Neck Bridge, which connects it to Queens via the Clearview Expressway.
  • 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 Broadway–Seventh Avenue Line bridge at 145th Street
Triple: [Harlem River crossings, include, IRT Broadway–Seventh Avenue Line bridge at 145th Street]
Generated description
The IRT Broadway–Seventh Avenue Line bridge at 145th Street is a New York City subway swing bridge carrying the 1 train across the Harlem River between Manhattan and the Bronx.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: IRT Broadway–Seventh Avenue Line bridge at 145th Street
Target entity description: The IRT Broadway–Seventh Avenue Line bridge at 145th Street is a New York City subway swing bridge carrying the 1 train across the Harlem River between Manhattan and the Bronx.
  • A. Manhattan Bridge (B train)
    The Manhattan Bridge (B train) is a major New York City Subway crossing that carries B and D line trains between Brooklyn and Manhattan as part of the BMT Broadway and IND Sixth Avenue services.
  • B. Queensboro Bridge (Queens side)
    Queensboro Bridge (Queens side) refers to the portion of the historic cantilever bridge where it connects to and enters the borough of Queens in New York City.
  • C. Manhattan Bridge
    The Manhattan Bridge is a suspension bridge in New York City that connects Lower Manhattan and Downtown Brooklyn and carries both vehicular traffic and subway lines.
  • D. George Washington Bridge (Manhattan approach)
    The George Washington Bridge (Manhattan approach) is the major roadway and interchange complex in Upper Manhattan that connects local streets and highways to the George Washington Bridge spanning the Hudson River between New York and New Jersey.
  • E. Bronx (via Throgs Neck Bridge)
    Bronx (via Throgs Neck Bridge) refers to the New York City borough located at the northern end of the Throgs Neck Bridge, which connects it to Queens via the Clearview Expressway.
  • 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_69c008d13b8c8190be47d896eb735605 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c064c76dfc8190a1d44fd0c4402a0e completed March 22, 2026, 9:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69c5e48a8c5c819099f21fdff1ce43f3 completed March 27, 2026, 1:59 a.m.
NEDg Description generation batch_69c5f8b0e0e48190896cc2abc6b26b89 completed March 27, 2026, 3:25 a.m.
NED2 Entity disambiguation (via description) batch_69c5f92a87148190b3c38f312a4901a4 completed March 27, 2026, 3:27 a.m.
Created at: March 22, 2026, 4:29 p.m.