Triple

T12812279
Position Surface form Disambiguated ID Type / Status
Subject Second Avenue E306300 entity
Predicate hasSubwayServiceNearby P33877 FINISHED
Object Second Avenue Subway (IND/BMT line along Second Avenue on Upper East Side)
Second Avenue Subway (IND/BMT line along Second Avenue on Upper East Side) is a New York City Subway line serving Manhattan’s Upper East Side, designed to relieve congestion on the nearby Lexington Avenue Line with modern stations and improved transit access along Second Avenue.
E1005532 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 Subway (IND/BMT line along Second Avenue on Upper East Side) | Statement: [Second Avenue, hasSubwayServiceNearby, Second Avenue Subway (IND/BMT line along Second Avenue on Upper East Side)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Second Avenue Subway (IND/BMT line along Second Avenue on Upper East Side)
Context triple: [Second Avenue, hasSubwayServiceNearby, Second Avenue Subway (IND/BMT line along Second Avenue on Upper East Side)]
  • 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. IND Sixth Avenue Line at 42nd Street–Bryant Park
    IND Sixth Avenue Line at 42nd Street–Bryant Park is a major New York City Subway station complex in Midtown Manhattan serving the IND Sixth Avenue Line near Bryant Park and 42nd Street.
  • D. Seventh Avenue subway corridor
    The Seventh Avenue subway corridor is a major New York City Subway route running along Seventh Avenue in Manhattan and continuing into Brooklyn, serving as a key north–south transit spine for multiple lines.
  • E. Fourth Avenue subway corridor
    The Fourth Avenue subway corridor is a major transit route in Brooklyn, New York City, carrying multiple subway lines beneath Fourth Avenue and serving as a key north–south connection through several neighborhoods.
  • 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 Subway (IND/BMT line along Second Avenue on Upper East Side)
Triple: [Second Avenue, hasSubwayServiceNearby, Second Avenue Subway (IND/BMT line along Second Avenue on Upper East Side)]
Generated description
Second Avenue Subway (IND/BMT line along Second Avenue on Upper East Side) is a New York City Subway line serving Manhattan’s Upper East Side, designed to relieve congestion on the nearby Lexington Avenue Line with modern stations and improved transit access along Second Avenue.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Second Avenue Subway (IND/BMT line along Second Avenue on Upper East Side)
Target entity description: Second Avenue Subway (IND/BMT line along Second Avenue on Upper East Side) is a New York City Subway line serving Manhattan’s Upper East Side, designed to relieve congestion on the nearby Lexington Avenue Line with modern stations and improved transit access along Second Avenue.
  • 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. IND Sixth Avenue Line at 42nd Street–Bryant Park
    IND Sixth Avenue Line at 42nd Street–Bryant Park is a major New York City Subway station complex in Midtown Manhattan serving the IND Sixth Avenue Line near Bryant Park and 42nd Street.
  • D. Seventh Avenue subway corridor
    The Seventh Avenue subway corridor is a major New York City Subway route running along Seventh Avenue in Manhattan and continuing into Brooklyn, serving as a key north–south transit spine for multiple lines.
  • E. Fourth Avenue subway corridor
    The Fourth Avenue subway corridor is a major transit route in Brooklyn, New York City, carrying multiple subway lines beneath Fourth Avenue and serving as a key north–south connection through several neighborhoods.
  • 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_69d7bdf46c448190b1faa55aaacb6317 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96e9adcf08190a12801adcc613477 completed April 10, 2026, 9:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69f68eca9b448190a819b3807fdbc3f8 completed May 2, 2026, 11:54 p.m.
NEDg Description generation batch_69f69277d3d88190abce800c01a8026c completed May 3, 2026, 12:10 a.m.
NED2 Entity disambiguation (via description) batch_69f6938150608190a61206cefa3eca1e completed May 3, 2026, 12:14 a.m.
Created at: April 9, 2026, 5:31 p.m.