Triple

T97724
Position Surface form Disambiguated ID Type / Status
Subject IND Division E1968 entity
Predicate includesLine P2124 FINISHED
Object IND Culver Line (subway portion)
The IND Culver Line (subway portion) is a New York City Subway rapid transit line in Brooklyn that carries F trains through a series of underground and elevated stations between central Brooklyn and Coney Island.
E38208 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: IND Culver Line (subway portion) | Statement: [IND Division, includesLine, IND Culver Line (subway portion)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: IND Culver Line (subway portion)
Context triple: [IND Division, includesLine, IND Culver Line (subway portion)]
  • A. IND Sixth Avenue Line
    The IND Sixth Avenue Line is a major New York City Subway trunk line in Manhattan running primarily beneath Sixth Avenue and served by several B Division routes.
  • B. Independent Subway System (IND)
    The Independent Subway System (IND) was New York City's municipally built and operated subway network, created in the early 20th century to compete with and eventually replace the privately run IRT and BMT lines.
  • C. Eighth Avenue Line
    The Eighth Avenue Line is a major New York City Subway trunk line in Manhattan, primarily served by the A, C, and E trains and known as the system’s first fully independent subway route.
  • D. Metro B Line
    The Metro B Line is a heavy rail subway line in Los Angeles that runs through central and Hollywood areas as part of the LA Metro Rail system.
  • E. Metropolitan West Side Elevated Railroad
    The Metropolitan West Side Elevated Railroad was an early elevated transit line in Chicago that formed part of the city’s first rapid transit system on the West Side.
  • 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: IND Culver Line (subway portion)
Triple: [IND Division, includesLine, IND Culver Line (subway portion)]
Generated description
The IND Culver Line (subway portion) is a New York City Subway rapid transit line in Brooklyn that carries F trains through a series of underground and elevated stations between central Brooklyn and Coney Island.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: IND Culver Line (subway portion)
Target entity description: The IND Culver Line (subway portion) is a New York City Subway rapid transit line in Brooklyn that carries F trains through a series of underground and elevated stations between central Brooklyn and Coney Island.
  • A. IND Sixth Avenue Line
    The IND Sixth Avenue Line is a major New York City Subway trunk line in Manhattan running primarily beneath Sixth Avenue and served by several B Division routes.
  • B. Independent Subway System (IND)
    The Independent Subway System (IND) was New York City's municipally built and operated subway network, created in the early 20th century to compete with and eventually replace the privately run IRT and BMT lines.
  • C. Eighth Avenue Line
    The Eighth Avenue Line is a major New York City Subway trunk line in Manhattan, primarily served by the A, C, and E trains and known as the system’s first fully independent subway route.
  • D. Metro B Line
    The Metro B Line is a heavy rail subway line in Los Angeles that runs through central and Hollywood areas as part of the LA Metro Rail system.
  • E. Metropolitan West Side Elevated Railroad
    The Metropolitan West Side Elevated Railroad was an early elevated transit line in Chicago that formed part of the city’s first rapid transit system on the West Side.
  • 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_69a24d4862f881908cc8b89d3a78031d completed Feb. 28, 2026, 2:04 a.m.
NER Named-entity recognition batch_69a256a7957c8190bf9924eff7572b95 completed Feb. 28, 2026, 2:44 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3a5cd067c8190a25649f80c69ee89 completed March 1, 2026, 2:34 a.m.
NEDg Description generation batch_69a3a7b0c9a481909555d21be71d1f1d completed March 1, 2026, 2:42 a.m.
NED2 Entity disambiguation (via description) batch_69a3a7e8c82c8190b4e2aaf393dbf386 completed March 1, 2026, 2:43 a.m.
Created at: Feb. 28, 2026, 2:09 a.m.