Triple

T6041871
Position Surface form Disambiguated ID Type / Status
Subject IRT Lexington Avenue Line trunk in Manhattan E134563 entity
Predicate hasStation P35 FINISHED
Object 51st Street station (IRT Lexington Avenue Line)
51st Street station (IRT Lexington Avenue Line) is a New York City Subway station in Midtown Manhattan serving the 6 train along Lexington Avenue near 51st Street.
 E565167 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: 51st Street station (IRT Lexington Avenue Line) | Statement: [IRT Lexington Avenue Line trunk in Manhattan, hasStation, 51st Street station (IRT Lexington Avenue Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 51st Street station (IRT Lexington Avenue Line)
Context triple: [IRT Lexington Avenue Line trunk in Manhattan, hasStation, 51st Street station (IRT Lexington Avenue Line)]
  • 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. 125th Street station (Lenox Avenue Line)
    125th Street station (Lenox Avenue Line) is a major New York City Subway station in Harlem serving the 2 and 3 trains along Lenox Avenue.
  • D. 125th Street subway station
    The 125th Street subway station is a New York City Subway stop in Harlem that serves as a key transit hub connecting the area, including Columbia University's Manhattanville campus, to the rest of Manhattan and the city.
  • E. Eighth Avenue–53rd Street station
    The Eighth Avenue–53rd Street station is a New York City Subway station in Midtown Manhattan on the IND Eighth Avenue Line, serving several A, C, and E 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: 51st Street station (IRT Lexington Avenue Line)
Triple: [IRT Lexington Avenue Line trunk in Manhattan, hasStation, 51st Street station (IRT Lexington Avenue Line)]
Generated description
51st Street station (IRT Lexington Avenue Line) is a New York City Subway station in Midtown Manhattan serving the 6 train along Lexington Avenue near 51st Street.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 51st Street station (IRT Lexington Avenue Line)
Target entity description: 51st Street station (IRT Lexington Avenue Line) is a New York City Subway station in Midtown Manhattan serving the 6 train along Lexington Avenue near 51st 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. 125th Street station (Lenox Avenue Line)
    125th Street station (Lenox Avenue Line) is a major New York City Subway station in Harlem serving the 2 and 3 trains along Lenox Avenue.
  • D. 125th Street subway station
    The 125th Street subway station is a New York City Subway stop in Harlem that serves as a key transit hub connecting the area, including Columbia University's Manhattanville campus, to the rest of Manhattan and the city.
  • E. Eighth Avenue–53rd Street station
    The Eighth Avenue–53rd Street station is a New York City Subway station in Midtown Manhattan on the IND Eighth Avenue Line, serving several A, C, and E 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_69c00875db5c819099dd5bb833ec43c2 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c056d11370819096ac35349bd91f4e completed March 22, 2026, 8:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69c1139793708190b14c83d4197a33a0 completed March 23, 2026, 10:19 a.m.
NEDg Description generation batch_69c116054e9881908de17b355558f149 completed March 23, 2026, 10:29 a.m.
NED2 Entity disambiguation (via description) batch_69c1167938008190bf43698bf4b69062 completed March 23, 2026, 10:31 a.m.
Created at: March 22, 2026, 4:08 p.m.