Triple

T16039305
Position Surface form Disambiguated ID Type / Status
Subject Q (New York City Subway service) E389051 entity
Predicate primaryRoute P6298 FINISHED
Object Second Avenue Line – Broadway Line – Manhattan Bridge – Brighton Line
The Second Avenue Line – Broadway Line – Manhattan Bridge – Brighton Line is a major New York City Subway corridor used by the Q service, linking Manhattan’s Second Avenue and Broadway via the Manhattan Bridge to Brooklyn’s Brighton Line.
E1191053 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 Line – Broadway Line – Manhattan Bridge – Brighton Line | Statement: [Q (New York City Subway service), primaryRoute, Second Avenue Line – Broadway Line – Manhattan Bridge – Brighton Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Second Avenue Line – Broadway Line – Manhattan Bridge – Brighton Line
Context triple: [Q (New York City Subway service), primaryRoute, Second Avenue Line – Broadway Line – Manhattan Bridge – Brighton Line]
  • A. IND Eighth Avenue Line and IND Sixth Avenue Line
    The IND Eighth Avenue Line and IND Sixth Avenue Line are two major New York City Subway trunk lines in Manhattan that run roughly north–south on their respective avenues and share key transfer points such as West Fourth Street–Washington Square.
  • B. Eighth Avenue Line in Manhattan
    The Eighth Avenue Line in Manhattan is a major New York City Subway trunk line running under Eighth Avenue, carrying several IND services through Midtown and Upper Manhattan.
  • C. Third Avenue Line
    The Third Avenue Line was a major elevated railway in Manhattan that once formed a key part of New York City's early rapid transit system.
  • D. 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.
  • E. Seventh Avenue Line
    The Seventh Avenue Line is a major New York City Subway trunk route running along Manhattan’s Seventh Avenue, serving as a key north–south corridor for multiple subway services.
  • 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 Line – Broadway Line – Manhattan Bridge – Brighton Line
Triple: [Q (New York City Subway service), primaryRoute, Second Avenue Line – Broadway Line – Manhattan Bridge – Brighton Line]
Generated description
The Second Avenue Line – Broadway Line – Manhattan Bridge – Brighton Line is a major New York City Subway corridor used by the Q service, linking Manhattan’s Second Avenue and Broadway via the Manhattan Bridge to Brooklyn’s Brighton Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Second Avenue Line – Broadway Line – Manhattan Bridge – Brighton Line
Target entity description: The Second Avenue Line – Broadway Line – Manhattan Bridge – Brighton Line is a major New York City Subway corridor used by the Q service, linking Manhattan’s Second Avenue and Broadway via the Manhattan Bridge to Brooklyn’s Brighton Line.
  • A. IND Eighth Avenue Line and IND Sixth Avenue Line
    The IND Eighth Avenue Line and IND Sixth Avenue Line are two major New York City Subway trunk lines in Manhattan that run roughly north–south on their respective avenues and share key transfer points such as West Fourth Street–Washington Square.
  • B. Eighth Avenue Line in Manhattan
    The Eighth Avenue Line in Manhattan is a major New York City Subway trunk line running under Eighth Avenue, carrying several IND services through Midtown and Upper Manhattan.
  • C. Third Avenue Line
    The Third Avenue Line was a major elevated railway in Manhattan that once formed a key part of New York City's early rapid transit system.
  • D. 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.
  • E. Seventh Avenue Line
    The Seventh Avenue Line is a major New York City Subway trunk route running along Manhattan’s Seventh Avenue, serving as a key north–south corridor for multiple subway services.
  • 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_69d86dada3808190825d5f80d72fbe88 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e1833eb90c8190b10dca3ce0793ddf completed April 17, 2026, 12:47 a.m.
NED1 Entity disambiguation (via context triple) batch_69ffdbd5acb48190a10e40074fffd425 completed May 10, 2026, 1:13 a.m.
NEDg Description generation batch_69ffdd527cfc8190a616a2334edffd02 completed May 10, 2026, 1:20 a.m.
NED2 Entity disambiguation (via description) batch_69ffdda1a0908190b7c880c5d66f7400 completed May 10, 2026, 1:21 a.m.
Created at: April 10, 2026, 4:56 a.m.