Triple

T333421
Position Surface form Disambiguated ID Type / Status
Subject Inwood E6672 entity
Predicate hasSubwayStation P726 FINISHED
Object 215th Street (1 line)
215th Street (1 line) is a New York City Subway station on the IRT Broadway–Seventh Avenue Line serving the Inwood neighborhood of Upper Manhattan.
E44465 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: 215th Street (1 line) | Statement: [Inwood, hasSubwayStation, 215th Street (1 line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 215th Street (1 line)
Context triple: [Inwood, hasSubwayStation, 215th Street (1 line)]
  • A. 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.
  • B. Dyre Avenue Line
    The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
  • C. Jerome Avenue Line
    The Jerome Avenue Line is a New York City Subway route in the Bronx, primarily served by the 4 train and running along Jerome Avenue from the Yankee Stadium area toward the northern end of the borough.
  • D. 7th Avenue (53rd Street Line)
    7th Avenue (53rd Street Line) is a New York City Subway station in Manhattan located at the intersection of Seventh Avenue and 53rd Street, serving multiple lines on the IND Queens Boulevard Line.
  • E. Blue Line
    The Blue Line is one of the color-coded rapid transit routes in the Washington Metro system, running through key parts of Washington, D.C. and its Virginia suburbs.
  • 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: 215th Street (1 line)
Triple: [Inwood, hasSubwayStation, 215th Street (1 line)]
Generated description
215th Street (1 line) is a New York City Subway station on the IRT Broadway–Seventh Avenue Line serving the Inwood neighborhood of Upper Manhattan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 215th Street (1 line)
Target entity description: 215th Street (1 line) is a New York City Subway station on the IRT Broadway–Seventh Avenue Line serving the Inwood neighborhood of Upper Manhattan.
  • A. 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.
  • B. Dyre Avenue Line
    The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
  • C. Jerome Avenue Line
    The Jerome Avenue Line is a New York City Subway route in the Bronx, primarily served by the 4 train and running along Jerome Avenue from the Yankee Stadium area toward the northern end of the borough.
  • D. 7th Avenue (53rd Street Line)
    7th Avenue (53rd Street Line) is a New York City Subway station in Manhattan located at the intersection of Seventh Avenue and 53rd Street, serving multiple lines on the IND Queens Boulevard Line.
  • E. Blue Line
    The Blue Line is one of the color-coded rapid transit routes in the Washington Metro system, running through key parts of Washington, D.C. and its Virginia suburbs.
  • 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_69a2e79434908190a9d5afe415153ad9 completed Feb. 28, 2026, 1:03 p.m.
NER Named-entity recognition batch_69a2ee028c488190ad0109510de2956d completed Feb. 28, 2026, 1:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69a3dd2def2081908bd67a3ae4e93ddf completed March 1, 2026, 6:31 a.m.
NEDg Description generation batch_69a3ddaba7e081909494e119cc0773a1 completed March 1, 2026, 6:33 a.m.
NED2 Entity disambiguation (via description) batch_69a3de19752881909d60b52f9ba3b378 completed March 1, 2026, 6:35 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.