Triple

T2314411
Position Surface form Disambiguated ID Type / Status
Subject Second Avenue Subway E51029 entity
Predicate lineDesignation P5539 FINISHED
Object Second Avenue Line
The Second Avenue Line is a New York City Subway service planned and built to run primarily beneath Manhattan’s Second Avenue as part of a long-delayed effort to expand the city’s rapid transit network.
E259575 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 | Statement: [Second Avenue Subway, lineDesignation, Second Avenue Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Second Avenue Line
Context triple: [Second Avenue Subway, lineDesignation, Second Avenue Line]
  • A. Sixth Avenue Line
    The Sixth Avenue Line is a major New York City Subway trunk line in Manhattan that primarily carries B, D, F, and M trains along Sixth Avenue.
  • B. Fourth Avenue Line
    The Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn that carries several services, including the N train, along a north–south corridor.
  • C. Eighth Avenue Line
    The Eighth Avenue Line is a major New York City Subway trunk line in Manhattan, primarily served by the A, C, and E trains and known as the system’s first fully independent subway route.
  • D. IND 63rd Street Line
    The IND 63rd Street Line is a New York City Subway line in Manhattan and Queens that carries F and sometimes other services through the 63rd Street Tunnel.
  • E. Orange Line
    The Orange Line is one of the primary rapid transit routes in the Washington Metro system, running east–west through Washington, D.C. and its Virginia and Maryland suburbs.
  • 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
Triple: [Second Avenue Subway, lineDesignation, Second Avenue Line]
Generated description
The Second Avenue Line is a New York City Subway service planned and built to run primarily beneath Manhattan’s Second Avenue as part of a long-delayed effort to expand the city’s rapid transit network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Second Avenue Line
Target entity description: The Second Avenue Line is a New York City Subway service planned and built to run primarily beneath Manhattan’s Second Avenue as part of a long-delayed effort to expand the city’s rapid transit network.
  • A. Sixth Avenue Line
    The Sixth Avenue Line is a major New York City Subway trunk line in Manhattan that primarily carries B, D, F, and M trains along Sixth Avenue.
  • B. Fourth Avenue Line
    The Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn that carries several services, including the N train, along a north–south corridor.
  • C. Eighth Avenue Line
    The Eighth Avenue Line is a major New York City Subway trunk line in Manhattan, primarily served by the A, C, and E trains and known as the system’s first fully independent subway route.
  • D. IND 63rd Street Line
    The IND 63rd Street Line is a New York City Subway line in Manhattan and Queens that carries F and sometimes other services through the 63rd Street Tunnel.
  • E. Orange Line
    The Orange Line is one of the primary rapid transit routes in the Washington Metro system, running east–west through Washington, D.C. and its Virginia and Maryland suburbs.
  • 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_69a88b074b908190ae983dbca7757d88 completed March 4, 2026, 7:41 p.m.
NER Named-entity recognition batch_69abc61d41f88190983f8947667b4c7a completed March 7, 2026, 6:30 a.m.
NED1 Entity disambiguation (via context triple) batch_69aea87427f08190b8353f74c5231a32 completed March 9, 2026, 11:01 a.m.
NEDg Description generation batch_69aea988feec8190a8f5d79cffbc14f6 completed March 9, 2026, 11:05 a.m.
NED2 Entity disambiguation (via description) batch_69aea9d6b60c819083295d66f965ff33 completed March 9, 2026, 11:07 a.m.
Created at: March 4, 2026, 7:49 p.m.