Triple

T3181534
Position Surface form Disambiguated ID Type / Status
Subject New York City Subway D line E66597 entity
Predicate servesStation P839 FINISHED
Object 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.
 E335293 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: 9th Avenue (BMT West End Line) | Statement: [New York City Subway D line, servesStation, 9th Avenue (BMT West End Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 9th Avenue (BMT West End Line)
Context triple: [New York City Subway D line, servesStation, 9th Avenue (BMT West End Line)]
  • A. 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.
  • B. Livonia Avenue (BMT Canarsie Line)
    Livonia Avenue (BMT Canarsie Line) is a New York City Subway station on the L train in Brooklyn.
  • C. Van Siclen Avenue (IRT New Lots Line)
    Van Siclen Avenue (IRT New Lots Line) is a local New York City Subway station in Brooklyn served by the 3 train, located along the elevated IRT New Lots Line.
  • D. 79th Street (BMT West End Line)
    79th Street (BMT West End Line) is a local New York City Subway station in Brooklyn located along the West End Line, serving the surrounding residential neighborhood.
  • E. Rockaway Avenue (IRT New Lots Line)
    Rockaway Avenue (IRT New Lots Line) is a local New York City Subway station in Brooklyn on the IRT New Lots Line, serving the Brownsville neighborhood.
  • 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: 9th Avenue (BMT West End Line)
Triple: [New York City Subway D line, servesStation, 9th Avenue (BMT West End Line)]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 9th Avenue (BMT West End Line)
Target entity description: 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.
  • A. 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.
  • B. Livonia Avenue (BMT Canarsie Line)
    Livonia Avenue (BMT Canarsie Line) is a New York City Subway station on the L train in Brooklyn.
  • C. Van Siclen Avenue (IRT New Lots Line)
    Van Siclen Avenue (IRT New Lots Line) is a local New York City Subway station in Brooklyn served by the 3 train, located along the elevated IRT New Lots Line.
  • D. 79th Street (BMT West End Line)
    79th Street (BMT West End Line) is a local New York City Subway station in Brooklyn located along the West End Line, serving the surrounding residential neighborhood.
  • E. Rockaway Avenue (IRT New Lots Line)
    Rockaway Avenue (IRT New Lots Line) is a local New York City Subway station in Brooklyn on the IRT New Lots Line, serving the Brownsville neighborhood.
  • 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_69b24b777fe881909764e2f2cdb68479 completed March 12, 2026, 5:13 a.m.
NEDg Description generation batch_69b24d13ef908190b7b54d653e4d1ea4 completed March 12, 2026, 5:20 a.m.
NED2 Entity disambiguation (via description) batch_69b24db9af3881909d3d89ad985356c6 completed March 12, 2026, 5:23 a.m.
Created at: March 8, 2026, 3:06 p.m.