Triple

T4729023
Position Surface form Disambiguated ID Type / Status
Subject 96th Street (Second Avenue Line) E104956 entity
Predicate servedByServicePattern P1294 FINISHED
Object Second Avenue–Broadway Express
The Second Avenue–Broadway Express is a New York City Subway service pattern that operates express via Second Avenue in Manhattan and Broadway in Brooklyn, providing faster travel between the Upper East Side and southern Brooklyn.
E477757 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–Broadway Express | Statement: [96th Street (Second Avenue Line), servedByServicePattern, Second Avenue–Broadway Express]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Second Avenue–Broadway Express
Context triple: [96th Street (Second Avenue Line), servedByServicePattern, Second Avenue–Broadway Express]
  • A. Broadway (Astoria Line)
    Broadway is a local New York City Subway station in Astoria, Queens, served by the N and W trains on the BMT Astoria Line.
  • B. BMT Broadway Line
    The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
  • C. BMT Fourth Avenue Line
    The BMT Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn, running beneath Fourth Avenue and serving as a key corridor for multiple services.
  • D. New York City Subway IRT Broadway–Seventh Avenue Line
    The New York City Subway IRT Broadway–Seventh Avenue Line is a major north–south trunk line in Manhattan and the Bronx, carrying the 1, 2, and 3 trains and connecting key hubs such as Times Square, Penn Station, and the Financial District.
  • 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–Broadway Express
Triple: [96th Street (Second Avenue Line), servedByServicePattern, Second Avenue–Broadway Express]
Generated description
The Second Avenue–Broadway Express is a New York City Subway service pattern that operates express via Second Avenue in Manhattan and Broadway in Brooklyn, providing faster travel between the Upper East Side and southern Brooklyn.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Second Avenue–Broadway Express
Target entity description: The Second Avenue–Broadway Express is a New York City Subway service pattern that operates express via Second Avenue in Manhattan and Broadway in Brooklyn, providing faster travel between the Upper East Side and southern Brooklyn.
  • A. Broadway (Astoria Line)
    Broadway is a local New York City Subway station in Astoria, Queens, served by the N and W trains on the BMT Astoria Line.
  • B. BMT Broadway Line
    The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
  • C. BMT Fourth Avenue Line
    The BMT Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn, running beneath Fourth Avenue and serving as a key corridor for multiple services.
  • D. New York City Subway IRT Broadway–Seventh Avenue Line
    The New York City Subway IRT Broadway–Seventh Avenue Line is a major north–south trunk line in Manhattan and the Bronx, carrying the 1, 2, and 3 trains and connecting key hubs such as Times Square, Penn Station, and the Financial District.
  • 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_69bd43ed84648190ae0b7ee8e8d00482 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd646135c881909030c21a163cc619 completed March 20, 2026, 3:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69be6f979ca88190bc0128812329cb24 completed March 21, 2026, 10:14 a.m.
NEDg Description generation batch_69be702fe55481908224972344213a56 completed March 21, 2026, 10:17 a.m.
NED2 Entity disambiguation (via description) batch_69be7097c2a0819082229acd3d6f99ca completed March 21, 2026, 10:19 a.m.
Created at: March 20, 2026, 1:19 p.m.