Triple

T5326115
Position Surface form Disambiguated ID Type / Status
Subject 53rd Street and Third Avenue, Manhattan E123189 entity
Predicate servedBySubwayLine P17559 FINISHED
Object M train (nearby at Lexington Avenue–53rd Street)
The M train is a New York City Subway service that runs through Manhattan, Brooklyn, and Queens, connecting Midtown Manhattan with neighborhoods such as Long Island City, Ridgewood, and Middle Village.
 E511932 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: M train (nearby at Lexington Avenue–53rd Street) | Statement: [53rd Street and Third Avenue, Manhattan, servedBySubwayLine, M train (nearby at Lexington Avenue–53rd Street)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: M train (nearby at Lexington Avenue–53rd Street)
Context triple: [53rd Street and Third Avenue, Manhattan, servedBySubwayLine, M train (nearby at Lexington Avenue–53rd Street)]
  • A. 116th Street station (Lenox Avenue Line)
    116th Street station (Lenox Avenue Line) is a New York City Subway station in Harlem served by the 2 and 3 trains on the IRT Lenox Avenue Line.
  • B. 145th Street station (Lenox Avenue Line)
    145th Street station (Lenox Avenue Line) is an underground New York City Subway station in Harlem serving the 2 and 3 trains.
  • C. 135th Street station (Lenox Avenue Line)
    135th Street station (Lenox Avenue Line) is a New York City Subway station in Harlem serving the IRT Lenox Avenue Line.
  • D. Lexington Avenue Local
    Lexington Avenue Local is a New York City Subway service pattern operating local trains along the Lexington Avenue corridor on Manhattan’s East Side.
  • E. IRT Lexington Avenue Line trunk in Manhattan
    The IRT Lexington Avenue Line trunk in Manhattan is a major New York City Subway corridor running along the East Side of Manhattan, carrying the 4, 5, and 6 services and serving as one of the system’s busiest and most important north–south routes.
  • 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: M train (nearby at Lexington Avenue–53rd Street)
Triple: [53rd Street and Third Avenue, Manhattan, servedBySubwayLine, M train (nearby at Lexington Avenue–53rd Street)]
Generated description
The M train is a New York City Subway service that runs through Manhattan, Brooklyn, and Queens, connecting Midtown Manhattan with neighborhoods such as Long Island City, Ridgewood, and Middle Village.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: M train (nearby at Lexington Avenue–53rd Street)
Target entity description: The M train is a New York City Subway service that runs through Manhattan, Brooklyn, and Queens, connecting Midtown Manhattan with neighborhoods such as Long Island City, Ridgewood, and Middle Village.
  • A. 116th Street station (Lenox Avenue Line)
    116th Street station (Lenox Avenue Line) is a New York City Subway station in Harlem served by the 2 and 3 trains on the IRT Lenox Avenue Line.
  • B. 145th Street station (Lenox Avenue Line)
    145th Street station (Lenox Avenue Line) is an underground New York City Subway station in Harlem serving the 2 and 3 trains.
  • C. 135th Street station (Lenox Avenue Line)
    135th Street station (Lenox Avenue Line) is a New York City Subway station in Harlem serving the IRT Lenox Avenue Line.
  • D. Lexington Avenue Local
    Lexington Avenue Local is a New York City Subway service pattern operating local trains along the Lexington Avenue corridor on Manhattan’s East Side.
  • E. IRT Lexington Avenue Line trunk in Manhattan
    The IRT Lexington Avenue Line trunk in Manhattan is a major New York City Subway corridor running along the East Side of Manhattan, carrying the 4, 5, and 6 services and serving as one of the system’s busiest and most important north–south routes.
  • 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_69bd46477f9081909d242a327d749466 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd85912d24819093cc405bebe8e870 completed March 20, 2026, 5:36 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf18abdcc48190bca5c7fc354c2471 completed March 21, 2026, 10:16 p.m.
NEDg Description generation batch_69bf19a73b888190a903124a9da5e172 completed March 21, 2026, 10:20 p.m.
NED2 Entity disambiguation (via description) batch_69bf19fc79148190a02c4ddf2f6abdf7 completed March 21, 2026, 10:21 p.m.
Created at: March 20, 2026, 1:59 p.m.