Triple

T1215955
Position Surface form Disambiguated ID Type / Status
Subject Metro-North Railroad E26106 entity
Predicate hasMainHub P2958 FINISHED
Object Harlem–125th Street station
Harlem–125th Street station is a major New York City commuter rail hub in East Harlem serving multiple Metro-North Railroad lines.
E186312 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: Harlem–125th Street station | Statement: [Metro-North Railroad, hasMainHub, Harlem–125th Street station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harlem–125th Street station
Context triple: [Metro-North Railroad, hasMainHub, Harlem–125th Street station]
  • A. 149th Street–Grand Concourse station
    The 149th Street–Grand Concourse station is a major New York City Subway complex in the Bronx that serves as a key transfer point between multiple lines, including the White Plains Road Line.
  • B. Central Park North–110th Street station
    Central Park North–110th Street station is a New York City Subway station in Manhattan serving the 2 and 3 trains near the northern edge of Central Park.
  • C. Prospect Park station
    Prospect Park station is a public transit stop serving the Prospect Park neighborhood, providing rail access to the surrounding area.
  • D. Harlem (Forest Park branch) station
    Harlem (Forest Park branch) station is a Chicago Transit Authority rapid transit stop on the city's West Side serving the Blue Line’s Forest Park branch.
  • E. 57th Street–Seventh Avenue station
    The 57th Street–Seventh Avenue station is a New York City Subway station in Midtown Manhattan serving the BMT Broadway Line near major cultural and commercial landmarks.
  • 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: Harlem–125th Street station
Triple: [Metro-North Railroad, hasMainHub, Harlem–125th Street station]
Generated description
Harlem–125th Street station is a major New York City commuter rail hub in East Harlem serving multiple Metro-North Railroad lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Harlem–125th Street station
Target entity description: Harlem–125th Street station is a major New York City commuter rail hub in East Harlem serving multiple Metro-North Railroad lines.
  • A. 149th Street–Grand Concourse station
    The 149th Street–Grand Concourse station is a major New York City Subway complex in the Bronx that serves as a key transfer point between multiple lines, including the White Plains Road Line.
  • B. Central Park North–110th Street station
    Central Park North–110th Street station is a New York City Subway station in Manhattan serving the 2 and 3 trains near the northern edge of Central Park.
  • C. Prospect Park station
    Prospect Park station is a public transit stop serving the Prospect Park neighborhood, providing rail access to the surrounding area.
  • D. Harlem (Forest Park branch) station
    Harlem (Forest Park branch) station is a Chicago Transit Authority rapid transit stop on the city's West Side serving the Blue Line’s Forest Park branch.
  • E. 57th Street–Seventh Avenue station
    The 57th Street–Seventh Avenue station is a New York City Subway station in Midtown Manhattan serving the BMT Broadway Line near major cultural and commercial landmarks.
  • 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_69a4948331fc8190b531ac9bec71c491 completed March 1, 2026, 7:33 p.m.
NER Named-entity recognition batch_69a4be059c5c8190a200f09442c22334 completed March 1, 2026, 10:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad607966748190a5661d47021bf526 completed March 8, 2026, 11:41 a.m.
NEDg Description generation batch_69ad6124c5f481909427535ec1db38fc completed March 8, 2026, 11:44 a.m.
NED2 Entity disambiguation (via description) batch_69ad61ec8ce081908340301a6f45f5b2 completed March 8, 2026, 11:47 a.m.
Created at: March 1, 2026, 7:46 p.m.