Triple

T19880594
Position Surface form Disambiguated ID Type / Status
Subject Second Avenue–Broadway Express E477757 entity
Predicate usesCorridor P5520 FINISHED
Object Broadway Line (Brooklyn)
The Broadway Line in Brooklyn is a New York City Subway corridor in Brooklyn that carries services such as the Second Avenue–Broadway Express and connects local neighborhoods to Manhattan-bound routes.
 E1414240 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: Broadway Line (Brooklyn) | Statement: [Second Avenue–Broadway Express, usesCorridor, Broadway Line (Brooklyn)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Broadway Line (Brooklyn)
Context triple: [Second Avenue–Broadway Express, usesCorridor, Broadway Line (Brooklyn)]
  • A. BMT Broadway Elevated Line (Brooklyn)
    The BMT Broadway Elevated Line in Brooklyn was an elevated rapid transit line that formed part of New York City’s early Brooklyn–Manhattan Transit (BMT) system, serving neighborhoods along Broadway before its eventual closure and demolition.
  • B. 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.
  • C. IRT Broadway–Seventh Avenue Line (Brooklyn portion)
    The IRT Broadway–Seventh Avenue Line (Brooklyn portion) is the segment of New York City’s numbered subway routes that runs through Brooklyn, carrying 2 and 3 trains between Manhattan and key Brooklyn neighborhoods.
  • D. Astoria Boulevard (Astoria Line)
    Astoria Boulevard is an elevated New York City Subway station in Queens on the Astoria Line, serving the N and W trains near the Grand Central Parkway.
  • E. Broad Street (BMT Nassau Street Line)
    Broad Street is a New York City Subway station in Lower Manhattan serving the BMT Nassau Street Line, primarily used by J and Z 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: Broadway Line (Brooklyn)
Triple: [Second Avenue–Broadway Express, usesCorridor, Broadway Line (Brooklyn)]
Generated description
The Broadway Line in Brooklyn is a New York City Subway corridor in Brooklyn that carries services such as the Second Avenue–Broadway Express and connects local neighborhoods to Manhattan-bound routes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Broadway Line (Brooklyn)
Target entity description: The Broadway Line in Brooklyn is a New York City Subway corridor in Brooklyn that carries services such as the Second Avenue–Broadway Express and connects local neighborhoods to Manhattan-bound routes.
  • A. BMT Broadway Elevated Line (Brooklyn)
    The BMT Broadway Elevated Line in Brooklyn was an elevated rapid transit line that formed part of New York City’s early Brooklyn–Manhattan Transit (BMT) system, serving neighborhoods along Broadway before its eventual closure and demolition.
  • B. 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.
  • C. IRT Broadway–Seventh Avenue Line (Brooklyn portion)
    The IRT Broadway–Seventh Avenue Line (Brooklyn portion) is the segment of New York City’s numbered subway routes that runs through Brooklyn, carrying 2 and 3 trains between Manhattan and key Brooklyn neighborhoods.
  • D. Astoria Boulevard (Astoria Line)
    Astoria Boulevard is an elevated New York City Subway station in Queens on the Astoria Line, serving the N and W trains near the Grand Central Parkway.
  • E. Broad Street (BMT Nassau Street Line)
    Broad Street is a New York City Subway station in Lower Manhattan serving the BMT Nassau Street Line, primarily used by J and Z 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_69d8e51f32b08190b3687f4f60353250 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e658de4b288190a41bee67f570be1e completed April 20, 2026, 4:48 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08345781b48190ace08e9474507514 completed May 16, 2026, 9:09 a.m.
NEDg Description generation batch_6a0835241ba08190923317262ac984d4 completed May 16, 2026, 9:13 a.m.
NED2 Entity disambiguation (via description) batch_6a08360def9c8190b8a2d48814ee13c8 completed May 16, 2026, 9:17 a.m.
Created at: April 10, 2026, 1:52 p.m.