Triple

T9584254
Position Surface form Disambiguated ID Type / Status
Subject 168th Street (IND Eighth Avenue Line) E231247 entity
Predicate hasConnection P8776 FINISHED
Object 168th Street (IRT Ninth Avenue Line) former elevated station
The 168th Street (IRT Ninth Avenue Line) former elevated station was a now-demolished stop on New York City's first elevated railway system in Manhattan, serving the Washington Heights area before the line's closure.
 E809430 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: 168th Street (IRT Ninth Avenue Line) former elevated station | Statement: [168th Street (IND Eighth Avenue Line), hasConnection, 168th Street (IRT Ninth Avenue Line) former elevated station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 168th Street (IRT Ninth Avenue Line) former elevated station
Context triple: [168th Street (IND Eighth Avenue Line), hasConnection, 168th Street (IRT Ninth Avenue Line) former elevated station]
  • A. 167th Street station on the IRT Jerome Avenue Line
    The 167th Street station on the IRT Jerome Avenue Line is an elevated New York City Subway station in the Bronx served by the 4 train.
  • B. 96th Street station (IND Eighth Avenue Line)
    96th Street station (IND Eighth Avenue Line) is a local New York City Subway station in Manhattan served by the B and C trains on the IND Eighth Avenue Line.
  • C. 168th Street (IRT Broadway–Seventh Avenue Line)
    168th Street (IRT Broadway–Seventh Avenue Line) is a New York City Subway station in Upper Manhattan serving the 1 train and connecting the Washington Heights neighborhood to the broader subway network.
  • D. 86th Street station (IND Eighth Avenue Line)
    86th Street station (IND Eighth Avenue Line) is a local New York City Subway station in Manhattan served by the B and C trains.
  • E. 116th Street station (IRT Lexington Avenue Line)
    116th Street station (IRT Lexington Avenue Line) is a local New York City Subway station in East Harlem serving the 4 and 6 trains along Lexington Avenue.
  • 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: 168th Street (IRT Ninth Avenue Line) former elevated station
Triple: [168th Street (IND Eighth Avenue Line), hasConnection, 168th Street (IRT Ninth Avenue Line) former elevated station]
Generated description
The 168th Street (IRT Ninth Avenue Line) former elevated station was a now-demolished stop on New York City's first elevated railway system in Manhattan, serving the Washington Heights area before the line's closure.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 168th Street (IRT Ninth Avenue Line) former elevated station
Target entity description: The 168th Street (IRT Ninth Avenue Line) former elevated station was a now-demolished stop on New York City's first elevated railway system in Manhattan, serving the Washington Heights area before the line's closure.
  • A. 167th Street station on the IRT Jerome Avenue Line
    The 167th Street station on the IRT Jerome Avenue Line is an elevated New York City Subway station in the Bronx served by the 4 train.
  • B. 96th Street station (IND Eighth Avenue Line)
    96th Street station (IND Eighth Avenue Line) is a local New York City Subway station in Manhattan served by the B and C trains on the IND Eighth Avenue Line.
  • C. 168th Street (IRT Broadway–Seventh Avenue Line)
    168th Street (IRT Broadway–Seventh Avenue Line) is a New York City Subway station in Upper Manhattan serving the 1 train and connecting the Washington Heights neighborhood to the broader subway network.
  • D. 86th Street station (IND Eighth Avenue Line)
    86th Street station (IND Eighth Avenue Line) is a local New York City Subway station in Manhattan served by the B and C trains.
  • E. 116th Street station (IRT Lexington Avenue Line)
    116th Street station (IRT Lexington Avenue Line) is a local New York City Subway station in East Harlem serving the 4 and 6 trains along Lexington Avenue.
  • 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_69ca848161688190a68d514a0a9d5129 completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd99d080c88190a7d3876589d7b864 completed April 1, 2026, 10:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69d16176ccf081908eb079ddd762ba28 completed April 4, 2026, 7:07 p.m.
NEDg Description generation batch_69d165c365988190a751703b631a66be completed April 4, 2026, 7:25 p.m.
NED2 Entity disambiguation (via description) batch_69d16698b4ec8190b3b8a2432e65d8e8 completed April 4, 2026, 7:29 p.m.
Created at: March 30, 2026, 8:06 p.m.