Triple

T13080638
Position Surface form Disambiguated ID Type / Status
Subject Nostrand Avenue E310191 entity
Predicate hasSubwayStation P726 FINISHED
Object Nostrand Avenue (BMT Myrtle Avenue Line, demolished)
Nostrand Avenue (BMT Myrtle Avenue Line, demolished) was a former elevated New York City Subway station on the BMT Myrtle Avenue Line in Brooklyn that was closed and torn down as part of the line’s mid-20th-century reductions.
 E1020584 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: Nostrand Avenue (BMT Myrtle Avenue Line, demolished) | Statement: [Nostrand Avenue, hasSubwayStation, Nostrand Avenue (BMT Myrtle Avenue Line, demolished)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nostrand Avenue (BMT Myrtle Avenue Line, demolished)
Context triple: [Nostrand Avenue, hasSubwayStation, Nostrand Avenue (BMT Myrtle Avenue Line, demolished)]
  • A. Nostrand Avenue (IND Fulton Street Line)
    Nostrand Avenue (IND Fulton Street Line) is a local New York City Subway station in Brooklyn serving the A and C trains on the IND Fulton Street Line.
  • 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. Church Avenue (IRT Nostrand Avenue Line)
    Church Avenue (IRT Nostrand Avenue Line) is a local New York City Subway station in Brooklyn served by the 2 and 5 trains.
  • D. 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.
  • E. New Lots Avenue (IRT New Lots Line)
    New Lots Avenue (IRT New Lots Line) is the eastern terminal station of the New York City Subway's IRT New Lots Line in Brooklyn, serving as the line's final stop.
  • 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: Nostrand Avenue (BMT Myrtle Avenue Line, demolished)
Triple: [Nostrand Avenue, hasSubwayStation, Nostrand Avenue (BMT Myrtle Avenue Line, demolished)]
Generated description
Nostrand Avenue (BMT Myrtle Avenue Line, demolished) was a former elevated New York City Subway station on the BMT Myrtle Avenue Line in Brooklyn that was closed and torn down as part of the line’s mid-20th-century reductions.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nostrand Avenue (BMT Myrtle Avenue Line, demolished)
Target entity description: Nostrand Avenue (BMT Myrtle Avenue Line, demolished) was a former elevated New York City Subway station on the BMT Myrtle Avenue Line in Brooklyn that was closed and torn down as part of the line’s mid-20th-century reductions.
  • A. Nostrand Avenue (IND Fulton Street Line)
    Nostrand Avenue (IND Fulton Street Line) is a local New York City Subway station in Brooklyn serving the A and C trains on the IND Fulton Street Line.
  • 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. Church Avenue (IRT Nostrand Avenue Line)
    Church Avenue (IRT Nostrand Avenue Line) is a local New York City Subway station in Brooklyn served by the 2 and 5 trains.
  • D. 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.
  • E. New Lots Avenue (IRT New Lots Line)
    New Lots Avenue (IRT New Lots Line) is the eastern terminal station of the New York City Subway's IRT New Lots Line in Brooklyn, serving as the line's final stop.
  • 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_69d806a733548190989cfd4ce981ca33 completed April 9, 2026, 8:05 p.m.
NER Named-entity recognition batch_69d98119cb7081908b78ffe83ec99851 completed April 10, 2026, 11 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6d60c603881909dff49f4356042b5 completed May 3, 2026, 4:58 a.m.
NEDg Description generation batch_69f6d86562f88190afd1fe49c4632e09 completed May 3, 2026, 5:08 a.m.
NED2 Entity disambiguation (via description) batch_69f6d9486d748190bc5e2927bc36993e completed May 3, 2026, 5:12 a.m.
Created at: April 9, 2026, 9:01 p.m.