Triple

T386464
Position Surface form Disambiguated ID Type / Status
Subject Chelsea, Manhattan E8788 entity
Predicate servedBy P82 FINISHED
Object A train
The A train is a New York City Subway service that runs along the Eighth Avenue Line, connecting northern Manhattan and Queens with Brooklyn.
 E49361 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: A train | Statement: [Chelsea, Manhattan, servedBy, A train]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: A train
Context triple: [Chelsea, Manhattan, servedBy, A train]
  • A. 1 train
    The 1 train is a New York City Subway service that runs along the Broadway–Seventh Avenue Line, providing local service between the Bronx and lower Manhattan.
  • B. 2 train
    The 2 train is a New York City Subway service that runs as a numbered, typically express route on the IRT lines, connecting the Bronx, Manhattan, and Brooklyn.
  • C. 4 train
    The 4 train is a New York City Subway service that runs along the Lexington Avenue Line in Manhattan, providing express service between the Bronx and Brooklyn.
  • D. 5 train
    The 5 train is a New York City Subway service that runs primarily along the IRT Lexington Avenue Line in Manhattan and the Eastern Parkway and Dyre Avenue lines in the Bronx, providing both local and express service.
  • E. 6 train
    The 6 train is a local New York City Subway service running along the Lexington Avenue Line in Manhattan and into the Bronx.
  • 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: A train
Triple: [Chelsea, Manhattan, servedBy, A train]
Generated description
The A train is a New York City Subway service that runs along the Eighth Avenue Line, connecting northern Manhattan and Queens with Brooklyn.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: A train
Target entity description: The A train is a New York City Subway service that runs along the Eighth Avenue Line, connecting northern Manhattan and Queens with Brooklyn.
  • A. 1 train
    The 1 train is a New York City Subway service that runs along the Broadway–Seventh Avenue Line, providing local service between the Bronx and lower Manhattan.
  • B. 2 train
    The 2 train is a New York City Subway service that runs as a numbered, typically express route on the IRT lines, connecting the Bronx, Manhattan, and Brooklyn.
  • C. 4 train
    The 4 train is a New York City Subway service that runs along the Lexington Avenue Line in Manhattan, providing express service between the Bronx and Brooklyn.
  • D. 5 train
    The 5 train is a New York City Subway service that runs primarily along the IRT Lexington Avenue Line in Manhattan and the Eastern Parkway and Dyre Avenue lines in the Bronx, providing both local and express service.
  • E. 6 train
    The 6 train is a local New York City Subway service running along the Lexington Avenue Line in Manhattan and into the Bronx.
  • 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_69a2e7f47dd08190a4e294ccbbe46cd4 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2ec447b5481908a5a084787b44ced completed Feb. 28, 2026, 1:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69a403500d048190874ff9e3078d86fe completed March 1, 2026, 9:13 a.m.
NEDg Description generation batch_69a4041ef2d8819086370c7f55887ae5 completed March 1, 2026, 9:17 a.m.
NED2 Entity disambiguation (via description) batch_69a4048229bc8190afe728fce60b8eac completed March 1, 2026, 9:18 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.