Triple

T6224374
Position Surface form Disambiguated ID Type / Status
Subject British Pacific Fleet E139192 entity
Predicate participatedIn P149 FINISHED
Object Sakishima Islands campaign E26298 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: Sakishima Islands campaign | Statement: [British Pacific Fleet, participatedIn, Sakishima Islands campaign]

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: Sakishima Islands campaign
Context triple: [British Pacific Fleet, participatedIn, Sakishima Islands campaign]
  • A. Ryukyu Islands campaign chosen
    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.
  • B. Marianas campaign
    The Marianas campaign was a pivotal series of World War II battles in the Pacific, during which U.S. forces seized key islands like Saipan, Tinian, and Guam from Japan to enable strategic bombing of the Japanese homeland.
  • 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. Palau Islands campaign
    The Palau Islands campaign was a World War II Pacific theater operation in which U.S. forces fought to capture the Palau archipelago from Japan, including major battles such as Peleliu and Angaur.
  • E. Aleutian Islands campaign
    The Aleutian Islands campaign was a World War II military operation in which U.S. and Canadian forces fought to expel Japanese troops from Alaska’s remote Aleutian chain, marking one of the few battles on American soil during the Pacific conflict.
  • 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_69c65fb2378081909f454539f82a0975 ned_source_triple completed
Created at: March 22, 2026, 4:22 p.m.