Triple

T13330840
Position Surface form Disambiguated ID Type / Status
Subject Key West Extension E317567 entity
Predicate associatedWith P37 FINISHED
Object Henry Flagler E86085 NE FINISHED

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: Henry Flagler | Statement: [Key West Extension, associatedWith, Henry Flagler]

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: Henry Flagler
Context triple: [Key West Extension, associatedWith, Henry Flagler]
  • A. Henry Flagler chosen
    Henry Flagler was an American industrialist and co-founder of Standard Oil who played a pivotal role in developing Florida’s east coast through railroads and luxury hotels.
  • B. Henry B. Plant
    Henry B. Plant was a prominent 19th-century American railroad and hotel magnate who developed much of Florida’s transportation infrastructure.
  • C. Henry Villard
    Henry Villard was a 19th-century German-American journalist, railroad magnate, and financier known for his leadership in the development of major U.S. railroads and his role as president of the Northern Pacific Railway.
  • D. J. C. Nichols
    J. C. Nichols was a prominent American real estate developer best known for pioneering large-scale, master-planned residential communities and the Country Club Plaza in Kansas City, Missouri.
  • E. Collis P. Huntington
    Collis P. Huntington was a prominent 19th-century American railroad magnate and industrialist who played a key role in the development of the U.S. transportation infrastructure and major shipbuilding enterprises.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d806b4d62c81908d4ced1665414be5 elicitation completed
NER batch_69d9992fffa0819086610ae3bed2e2f9 ner completed
NED1 batch_69f71f329e148190a7741344b27ea663 ned_source_triple completed
Created at: April 9, 2026, 9:30 p.m.