Triple

T6693519
Position Surface form Disambiguated ID Type / Status
Subject USS Yorktown (CV-10) E152687 entity
Predicate battle P12 FINISHED
Object Battle of Leyte Gulf E5440 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: Battle of Leyte Gulf | Statement: [USS Yorktown (CV-10), battle, Battle of Leyte Gulf]

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: Battle of Leyte Gulf
Context triple: [USS Yorktown (CV-10), battle, Battle of Leyte Gulf]
  • A. Battle of Leyte Gulf chosen
    The Battle of Leyte Gulf was a major 1944 naval engagement in the Pacific Theater, often considered the largest naval battle in history and a decisive defeat for the Japanese fleet.
  • B. Battle of the Philippine Sea
    The Battle of the Philippine Sea was a major 1944 World War II naval engagement in the Pacific, in which U.S. forces decisively defeated Japanese carrier aviation in what became known as the "Great Marianas Turkey Shoot."
  • C. Battle of the Sibuyan Sea
    The Battle of the Sibuyan Sea was a major World War II naval air engagement in October 1944, in which U.S. carrier aircraft repeatedly attacked and ultimately sank the Japanese battleship Musashi while attempting to thwart Japan’s Center Force during the Leyte Gulf campaign.
  • D. Battle of Surigao Strait
    The Battle of Surigao Strait was a World War II naval engagement in October 1944, notable as one of the last battleship-versus-battleship actions in history and a key Allied victory during the larger Leyte Gulf campaign.
  • E. Battle of the Santa Cruz Islands
    The Battle of the Santa Cruz Islands was a major World War II carrier battle in the Pacific Theater between the United States and Japan, notable for heavy aircraft losses and its role in the Guadalcanal campaign.
  • 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_69c6880687b08190805278b504d1c92c elicitation completed
NER batch_69c6b1955e448190adbfed7dc28f8c52 ner completed
NED1 batch_69c7941f24b881908aeb02b2cae78e12 ned_source_triple completed
Created at: March 27, 2026, 2:05 p.m.