Triple

T17134949
Position Surface form Disambiguated ID Type / Status
Subject Battle of Mers-el-Kébir E415812 entity
Predicate alsoKnownAs P39 FINISHED
Object Operation Catapult (Mers-el-Kébir phase) E415812 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 Catapult (Mers-el-Kébir phase) | Statement: [Battle of Mers-el-Kébir, alsoKnownAs, Operation Catapult (Mers-el-Kébir phase)]

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 Catapult (Mers-el-Kébir phase)
Context triple: [Battle of Mers-el-Kébir, alsoKnownAs, Operation Catapult (Mers-el-Kébir phase)]
  • A. Battle of Mers-el-Kébir chosen
    The Battle of Mers-el-Kébir was a 1940 World War II naval engagement off the coast of French Algeria in which the British Royal Navy attacked the French fleet to prevent it from falling into German hands.
  • B. Mers-el-Kébir
    Mers-el-Kébir is a port town on Algeria’s Mediterranean coast, historically significant as a major French naval base and the site of a controversial World War II-era naval attack.
  • C. Bombing of Italian fleet at Mers-el-Kébir
    The Bombing of the Italian fleet at Mers-el-Kébir was a World War II naval air attack in 1940 in which British forces struck Italian warships anchored in the Algerian port of Mers-el-Kébir to neutralize them as a potential threat.
  • D. Raid on St Nazaire
    The Raid on St Nazaire was a daring British commando attack in March 1942 that destroyed the vital Normandie dry dock in German-occupied France, crippling the Kriegsmarine’s ability to service large warships on the Atlantic coast.
  • E. Naval Battle of Casablanca
    The Naval Battle of Casablanca was a major World War II naval engagement in November 1942, fought off the coast of French Morocco during Operation Torch between Allied and Vichy French forces.
  • 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_69d886d15af4819092f92f8a129763e6 elicitation completed
NER batch_69e3f02dca8881908efd73741397a207 ner completed
NED1 batch_6a015fc263508190aeeb0ea9553cebdb ned_source_triple completed
Created at: April 10, 2026, 5:36 a.m.