Triple

T6224377
Position Surface form Disambiguated ID Type / Status
Subject British Pacific Fleet E139192 entity
Predicate participatedIn P149 FINISHED
Object Operation Iceberg E26135 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: Operation Iceberg | Statement: [British Pacific Fleet, participatedIn, Operation Iceberg]

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: Operation Iceberg
Context triple: [British Pacific Fleet, participatedIn, Operation Iceberg]
  • A. Operation Iceberg chosen
    Operation Iceberg was the codename for the Allied amphibious assault and ensuing campaign to capture the Japanese island of Okinawa during World War II.
  • B. Operation Olympic
    Operation Olympic was the planned Allied invasion of Japan’s southern island of Kyushu, intended as the first stage of a full-scale invasion that was ultimately rendered unnecessary by Japan’s surrender in 1945.
  • C. Operation Hailstone
    Operation Hailstone was a major U.S. Navy air and surface attack in February 1944 that devastated the Japanese naval and air base at Truk Lagoon in the Pacific Theater.
  • D. Operation Coronet
    Operation Coronet was the planned Allied amphibious invasion of Japan’s main island of Honshu, scheduled for early 1946 as part of the broader strategy to force Japan’s surrender in World War II.
  • E. Operation Veritable
    Operation Veritable was a major Allied offensive in early 1945 to clear the Reichswald and advance into the Rhineland as part of the final push into Nazi Germany during World War II.
  • 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_69c20dd3dc5c8190bf48da3a90863727 ned_source_triple completed
Created at: March 22, 2026, 4:22 p.m.