Triple

T6224373
Position Surface form Disambiguated ID Type / Status
Subject British Pacific Fleet E139192 entity
Predicate participatedIn P149 FINISHED
Object Battle of Okinawa E728 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 Okinawa | Statement: [British Pacific Fleet, participatedIn, Battle of Okinawa]

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 Okinawa
Context triple: [British Pacific Fleet, participatedIn, Battle of Okinawa]
  • A. Battle of Okinawa chosen
    The Battle of Okinawa was a major and brutal 1945 Pacific campaign between the United States and Japan, marked by intense ground combat, massive casualties, and kamikaze attacks, and is often seen as a decisive factor leading to the end of World War II.
  • B. Battle of Iwo Jima
    The Battle of Iwo Jima was a major 1945 Pacific campaign clash between the United States and Japan, famed for its brutal fighting and the iconic flag-raising on Mount Suribachi.
  • C. Battle of the Kerama Islands
    The Battle of the Kerama Islands was a World War II amphibious operation in March 1945 in which U.S. forces seized the Kerama Islands southwest of Okinawa to secure anchorages and eliminate Japanese naval and air threats ahead of the Okinawa invasion.
  • D. Ryukyu Islands campaign
    The Ryukyu Islands campaign was a major World War II Allied operation in the Pacific that included the Battle of Okinawa and aimed to capture Japan’s southern island chain as a staging area for a possible invasion of the Japanese home islands.
  • E. Battle of Tarawa
    The Battle of Tarawa was a brutal 1943 Pacific island assault in which U.S. Marines fought heavily entrenched Japanese forces on the atoll of Betio, marking one of World War II’s first major amphibious invasions against a strongly defended beachhead.
  • 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_69c008afd3148190b71e9eaa60420dd1 elicitation completed
NER batch_69c062c214c48190b94e7f904e2bf699 ner completed
NED1 batch_69c638568068819097811baeb8bf3ab3 ned_source_triple completed
Created at: March 22, 2026, 4:22 p.m.