Triple

T23062196
Position Surface form Disambiguated ID Type / Status
Subject Vanderbilt railroad system E574934 entity
Predicate includes P1393 FINISHED
Object Hudson River Railroad — NE NERFINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Hudson River Railroad | Statement: [Vanderbilt railroad system, includes, Hudson River Railroad]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hudson River Railroad
Context triple: [Vanderbilt railroad system, includes, Hudson River Railroad]
  • A. Hudson River Railroad chosen
    The Hudson River Railroad was a 19th-century rail line running along the east bank of the Hudson River, forming a key part of the early rail network linking New York City with upstate New York and beyond.
  • B. Hudson and Manhattan Railroad
    The Hudson and Manhattan Railroad was an early 20th-century rapid transit system that operated tunnels and trains between Manhattan and New Jersey, forming the core of what is now the PATH system.
  • C. New York and Harlem Railroad
    The New York and Harlem Railroad was one of the earliest rail lines in New York State, forming a key part of the region’s 19th-century transportation network and later becoming a cornerstone of Cornelius Vanderbilt’s railroad empire.
  • D. New York and Atlantic Railway
    The New York and Atlantic Railway is a short line freight railroad that operates on Long Island, New York, providing rail freight services over tracks owned by the Long Island Rail Road.
  • E. New York Connecting Railroad
    The New York Connecting Railroad is a freight and passenger rail line in New York City that links the Long Island Rail Road and the Northeast Corridor, notably via the Hell Gate Bridge between Queens and the Bronx.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e245bd6e4c8190bb8942245b68cad5 elicitation completed
NER batch_69f189a0c3c881909f137ad511c216ac ner completed
Created at: April 17, 2026, 3:55 p.m.