Triple

T3181537
Position Surface form Disambiguated ID Type / Status
Subject New York City Subway D line E66597 entity
Predicate servesStation P839 FINISHED
Object 18th Avenue (BMT West End Line)
18th Avenue (BMT West End Line) is a local New York City Subway station in Brooklyn located along the BMT West End Line.
 E336941 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: 18th Avenue (BMT West End Line) | Statement: [New York City Subway D line, servesStation, 18th Avenue (BMT West End Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 18th Avenue (BMT West End Line)
Context triple: [New York City Subway D line, servesStation, 18th Avenue (BMT West End Line)]
  • A. 181st Street (IND Eighth Avenue Line)
    181st Street (IND Eighth Avenue Line) is a New York City Subway station in Upper Manhattan serving the A train in the Washington Heights neighborhood.
  • B. Sutter Avenue (BMT Canarsie Line)
    Sutter Avenue (BMT Canarsie Line) is a local New York City Subway station on the L train in Brownsville, Brooklyn.
  • C. 9th Avenue (BMT West End Line)
    9th Avenue (BMT West End Line) is a local station in Brooklyn on the New York City Subway’s BMT West End Line, notable as a stop on the D train.
  • D. Livonia Avenue (BMT Canarsie Line)
    Livonia Avenue (BMT Canarsie Line) is a New York City Subway station on the L train in Brooklyn.
  • E. 168th Street (IND Eighth Avenue Line)
    168th Street (IND Eighth Avenue Line) is a New York City Subway station in Washington Heights served by the A and C trains on the IND Eighth Avenue Line.
  • 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: 18th Avenue (BMT West End Line)
Triple: [New York City Subway D line, servesStation, 18th Avenue (BMT West End Line)]
Generated description
18th Avenue (BMT West End Line) is a local New York City Subway station in Brooklyn located along the BMT West End Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 18th Avenue (BMT West End Line)
Target entity description: 18th Avenue (BMT West End Line) is a local New York City Subway station in Brooklyn located along the BMT West End Line.
  • A. 181st Street (IND Eighth Avenue Line)
    181st Street (IND Eighth Avenue Line) is a New York City Subway station in Upper Manhattan serving the A train in the Washington Heights neighborhood.
  • B. Sutter Avenue (BMT Canarsie Line)
    Sutter Avenue (BMT Canarsie Line) is a local New York City Subway station on the L train in Brownsville, Brooklyn.
  • C. 9th Avenue (BMT West End Line)
    9th Avenue (BMT West End Line) is a local station in Brooklyn on the New York City Subway’s BMT West End Line, notable as a stop on the D train.
  • D. Livonia Avenue (BMT Canarsie Line)
    Livonia Avenue (BMT Canarsie Line) is a New York City Subway station on the L train in Brooklyn.
  • E. 168th Street (IND Eighth Avenue Line)
    168th Street (IND Eighth Avenue Line) is a New York City Subway station in Washington Heights served by the A and C trains on the IND Eighth Avenue Line.
  • 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_69ad8587c1bc8190a2595f2c22ee1001 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada6bd07888190b680eace8290d821 completed March 8, 2026, 4:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69b2620b62f48190905812d0c0e9f85c completed March 12, 2026, 6:49 a.m.
NEDg Description generation batch_69b2638b3b2881909563356ea8a9611c completed March 12, 2026, 6:56 a.m.
NED2 Entity disambiguation (via description) batch_69b264fb42e4819084c289235f33b654 completed March 12, 2026, 7:02 a.m.
Created at: March 8, 2026, 3:06 p.m.