Triple

T13445279
Position Surface form Disambiguated ID Type / Status
Subject Old Bahia Honda Rail Bridge E320465 entity
Predicate partOf P40 FINISHED
Object Florida East Coast Railway Key West Extension E317567 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: Florida East Coast Railway Key West Extension | Statement: [Old Bahia Honda Rail Bridge, partOf, Florida East Coast Railway Key West Extension]

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: Florida East Coast Railway Key West Extension
Context triple: [Old Bahia Honda Rail Bridge, partOf, Florida East Coast Railway Key West Extension]
  • A. Key West Extension chosen
    Key West Extension is the historic segment of the Florida East Coast Railway that extended the line over a series of bridges and viaducts from mainland Florida to Key West.
  • B. Jacksonville, Tampa and Key West Railway
    The Jacksonville, Tampa and Key West Railway was a historic Florida railroad line that became a key component of Henry B. Plant’s Plant System in the late 19th century.
  • C. Florida East Coast Railway (historical)
    The Florida East Coast Railway (historical) was a major rail line developed by Henry Flagler that opened up Florida’s Atlantic coast to tourism, commerce, and urban growth in the late 19th and early 20th centuries.
  • D. Floridian (train)
    The Floridian was a long-distance passenger train that ran between Chicago and Florida, offering intercity rail service through the American Midwest and Southeast in the mid-20th century.
  • E. Florida Southern Railway
    Florida Southern Railway was a historic regional railroad in Florida that later became part of the Plant System, contributing to the development of transportation and commerce in the state.
  • 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_69d80761e6cc8190a90c844589998ecc elicitation completed
NER batch_69dbaef5f610819092cad33ef72075ff ner completed
NED1 batch_69f739965ef081909e85881ce805bbb5 ned_source_triple completed
Created at: April 9, 2026, 9:40 p.m.