Triple

T17287246
Position Surface form Disambiguated ID Type / Status
Subject EMD F40PH E419690 entity
Predicate manufacturer P490 FINISHED
Object Electro-Motive Division E116848 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: Electro-Motive Division | Statement: [EMD F40PH, manufacturer, Electro-Motive Division]

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: Electro-Motive Division
Context triple: [EMD F40PH, manufacturer, Electro-Motive Division]
  • A. Electro-Motive Division chosen
    Electro-Motive Division was a major American manufacturer of diesel-electric locomotives that played a leading role in the transition from steam to diesel power on North American railroads.
  • B. MotivePower Industries
    MotivePower Industries is an American locomotive manufacturer known for producing modern diesel-electric passenger and freight locomotives for North American railroads.
  • C. General Electric Transportation
    General Electric Transportation is a major American manufacturer of locomotives and rail equipment, known for producing diesel-electric engines used by freight and passenger railroads worldwide.
  • D. Lima Locomotive Works
    Lima Locomotive Works was a prominent American manufacturer best known for producing innovative steam locomotives, including the powerful "Super Power" designs that significantly advanced railroad performance in the early 20th century.
  • E. Westinghouse Air Brake Company
    Westinghouse Air Brake Company was an American industrial firm founded by George Westinghouse, best known for pioneering railway air brake technology that greatly improved train safety and efficiency.
  • 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_69d886db32608190a61e18862c5a8af6 elicitation completed
NER batch_69e43780fad88190b82193c8335e2f11 ner completed
NED1 batch_6a017957c738819087341bcd51b55114 ned_source_triple completed
Created at: April 10, 2026, 5:40 a.m.