Triple

T18940387
Position Surface form Disambiguated ID Type / Status
Subject Ditmars Boulevard and 31st Street E463364 entity
Predicate servedBySubwayLine P17559 FINISHED
Object New York City Subway BMT Astoria Line
The New York City Subway BMT Astoria Line is an elevated rapid transit line in Queens that primarily carries N and W trains between Astoria and Manhattan.
E1351375 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: New York City Subway BMT Astoria Line | Statement: [Ditmars Boulevard and 31st Street, servedBySubwayLine, New York City Subway BMT Astoria Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: New York City Subway BMT Astoria Line
Context triple: [Ditmars Boulevard and 31st Street, servedBySubwayLine, New York City Subway BMT Astoria Line]
  • A. BMT Canarsie Line
    The BMT Canarsie Line is a New York City Subway rapid transit line in Brooklyn and Manhattan, best known for being served by the L train and running crosstown under 14th Street.
  • B. BMT Broadway Line
    The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
  • C. New York City Subway M line
    The New York City Subway M line is a rapid transit service that runs primarily in Manhattan, Brooklyn, and Queens, connecting neighborhoods such as Middle Village and Forest Hills with Midtown Manhattan via the Sixth Avenue Line.
  • D. BMT Fifth Avenue Line
    The BMT Fifth Avenue Line was an elevated rapid transit line in Brooklyn, New York City, that once ran above Fifth Avenue and served as part of the Brooklyn–Manhattan Transit Corporation system before its eventual demolition.
  • E. BMT Fourth Avenue Line
    The BMT Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn, running beneath Fourth Avenue and serving as a key corridor for multiple services.
  • 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: New York City Subway BMT Astoria Line
Triple: [Ditmars Boulevard and 31st Street, servedBySubwayLine, New York City Subway BMT Astoria Line]
Generated description
The New York City Subway BMT Astoria Line is an elevated rapid transit line in Queens that primarily carries N and W trains between Astoria and Manhattan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: New York City Subway BMT Astoria Line
Target entity description: The New York City Subway BMT Astoria Line is an elevated rapid transit line in Queens that primarily carries N and W trains between Astoria and Manhattan.
  • A. BMT Canarsie Line
    The BMT Canarsie Line is a New York City Subway rapid transit line in Brooklyn and Manhattan, best known for being served by the L train and running crosstown under 14th Street.
  • B. BMT Broadway Line
    The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
  • C. New York City Subway M line
    The New York City Subway M line is a rapid transit service that runs primarily in Manhattan, Brooklyn, and Queens, connecting neighborhoods such as Middle Village and Forest Hills with Midtown Manhattan via the Sixth Avenue Line.
  • D. BMT Fifth Avenue Line
    The BMT Fifth Avenue Line was an elevated rapid transit line in Brooklyn, New York City, that once ran above Fifth Avenue and served as part of the Brooklyn–Manhattan Transit Corporation system before its eventual demolition.
  • E. BMT Fourth Avenue Line
    The BMT Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn, running beneath Fourth Avenue and serving as a key corridor for multiple services.
  • 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_69d8dcfec90481909e926be9767e5779 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5d3eae9b88190b6031c359090782a completed April 20, 2026, 7:21 a.m.
NED1 Entity disambiguation (via context triple) batch_6a059fc689948190891e12aab00dd7a0 completed May 14, 2026, 10:11 a.m.
NEDg Description generation batch_6a05a2dc392c819094ba4480b5239512 completed May 14, 2026, 10:24 a.m.
NED2 Entity disambiguation (via description) batch_6a05a3454e088190a983557999209ad1 completed May 14, 2026, 10:26 a.m.
Created at: April 10, 2026, 11:59 a.m.